Detroit Diesel MBE 4000 DDEC VI Troubleshooting Manual
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Detroit Diesel MBE 4000 DDEC VI Troubleshooting Manual

Detroit Diesel MBE 4000 DDEC VI Troubleshooting Manual

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  • Page 3 TRADEMARK INFORMATION DDC®, Detroit Diesel®, DDEC®, Diagnostic Link®, Optimized Idle®, Optimized Idle®, Pro-Link®, and Series 60® are registered trademarks of Detroit Diesel Corporation. All other trademarks used are the property of their respective owners. MCM/CPC WARNING Figure 1 MCM/CPC Replacement Warning All information subject to change without notice.
  • Page 4 Technicians today must perform at a higher level of efficiency and competency than their predecessors and at the same time furnish professional quality support. As the leader in engine computer systems and technology, Detroit Diesel Corporation remains focused on providing excellence in products, service support and training. As products become more and more advanced, technicians must become specialized in multiple areas.
  • Page 5 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE REVISION NOTIFICATION Modifications to this manual are announced in the form of Service Information Bulletins. All information subject to change without notice. (Rev. ) 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 6 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 7: Table Of Contents

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TABLE OF CONTENTS INTRODUCTION OVERVIEW ....................SCOPE AND USE OF THIS GUIDE ............SAFETY PRECAUTIONS ................ FUEL INJECTION PERFORMING TROUBLESHOOTING TESTS ........TEST #1: FUEL PRESSURE TEST ............TEST #2: PERCENTAGE OF FUEL DELIVERY FOR A SMOOTH IDLE TEST #4: FUEL PUMP DRIVEN GEAR BOLT TORQUE ......
  • Page 8 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.19 FUEL SUPPLY VALVE REPAIR ............... 4-21 4.20 PLUGGED FUEL FILTER(S) REPLACEMENT ........4-22 4.21 TROUBLESHOOTING PROCEDURE FOR FUEL PUMP ....... 4-23 4.22 FUEL PUMP REPLACEMENT ..............4-24 4.23 TROUBLESHOOTING PROCEDURE FOR AERATED FUEL ....
  • Page 9 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE LOW COOLANT TEMPERATURE 15.1 ......................... 15-3 POOR FUEL ECONOMY 16.1 ......................... 16-3 DDEC VI SYSTEM 17.1 DDEC VI SYSTEM--HOW IT WORKS ............. 17-3 17.2 MOTOR CONTROL MODULE ..............17-4 17.3 COMMON POWERTRAIN CONTROLLER ..........17-18 17.4...
  • Page 10 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 94 – FUEL COMPENSATION PRESSURE SENSOR CIRCUIT FAULT 25.1 SPN 94/FMI 3 OR 4 ................. 25-3 SPN 100 — ENGINE OIL PRESSURE OUTSIDE NORMAL OPERATING RANGE 26.1 SPN 100/FMI 1 ..................26-3 26.2 SPN 100/FMI 2 ..................
  • Page 11 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 33.3 SPN 175/FMI 4 ..................33-7 SPN 190 - ENGINE SPEED HIGH 34.1 SPN 190/FMI 2 ..................34-3 SPN 191 (CPC) - J1939 ETC1 MESSAGE MISSING AND TRANSMISSION OUTPUT SHAFT SPEED SIGNAL ERRATIC OR MISSING 35.1...
  • Page 12 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 599 - CRUISE CONTROL SWITCHES NOT FUNCTIONING PROPERLY 44.1 SPN 599/FMI 4 ..................44-3 SPN 600 (CPC) - CRUISE CONTROL COAST SWITCH SIGNAL ERRATIC OR MISSING 45.1 SPN 600/FMI 13 ..................45-3 45.2 SPN 600/FMI 19 ..................
  • Page 13 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 55.2 SPN 651/FMI 10 ..................55-5 SPN 652 – INJECTOR #2 NOT OPERATING NORMALLY 56.1 SPN 652/FMI 5 ..................56-3 56.2 SPN 652/FMI 10 ..................56-5 SPN 653 – INJECTOR #3 NOT OPERATING NORMALLY 57.1...
  • Page 14 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 708 (CPC) - ASG2 CHECK TRANS LAMP 68.1 SPN 708/FMI 3 ..................68-3 68.2 SPN 708/FMI 4 ..................68-3 SPN 709 - SINGLE-SPEED FAN (LOW-SIDE DIGITAL OUTPUT #3) FAULT 69.1 SPN 709/FMI 3 ..................
  • Page 15 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 973 (CPC) - J1939 EBC1 MESSAGE MISSING AND ENGINE RETARDER SELECTION SIGNAL IS ERRATIC OR MISSING 78.1 SPN 973/FMI 9 ..................78-3 78.2 SPN 973/FMI 13 ..................78-3 78.3 SPN 973/FMI 19 ..................
  • Page 16 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 2623 (CPC) - PWM ACCELERATOR PEDAL GAS1 AND GAS2 SIGNAL MISSING 89.1 SPN 2623/FMI 4 ..................89-3 89.2 SPN 2623/FMI 14 ..................89-3 SPN 2791 – EGR VALVE (AUX PWM #1) FAILED OR OPEN CIRCUIT 90.1...
  • Page 17 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 3510 — ACCELERATOR PEDAL SUPPLY OUTSIDE OF NORMAL OPERATING RANGE 102.1 SPN 3510/FMI 2 ..................102-3 102.2 SPN 3510/FMI 3 ..................102-5 102.3 SPN 3510/FMI 4 ..................102-6 SPN 3511 - MULTIPLEXER 3 CHANNEL 1 0R 2 SHORT OR OPEN CIRCUIT HIGH 103.1 SPN 3511/FMI 3 ..................
  • Page 18 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 3663 - ELECTRONIC UNIT PUMP #5 NOT OPERATING NORMALLY 113.1 SPN 3663/FMI 5 ..................113-3 113.2 SPN 3663/FMI 10 ..................113-5 SPN 3664 - ELECTRONIC UNIT PUMP #6 NOT OPERATING NORMALLY 114.1 SPN 3664/FMI 5 ..................114-3 114.2 SPN 3664/FMI 10 ..................

  • Page 19: Introduction

    INTRODUCTION Section Page OVERVIEW ....................SCOPE AND USE OF THIS GUIDE ............SAFETY PRECAUTIONS ................
  • Page 20 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 21: Overview

    This manual is designed with that thought in mind. Our goal at Detroit Diesel is to be the most customer focused and most responsive engine manufacturer in the world.

  • Page 22: Scope And Use Of This Guide

    It is also suggested that other DDC outlets be contacted. e.g. if you are a dealer or user, contact your closest DDC Distributor. Ensure you have the engine serial number when you call. The phone number for Detroit Diesel Customer Service Center is 313-592-5800.
  • Page 23 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 1.2.2 Electronic Troubleshooting The 2007 Electronic Controls system allows for an increased processor speed and increased memory. Instructions for repair in this manual are generic. For example, "Repair Open" is used to advise the technician that a particular wire has been determined to be broken. In some cases it may not be best to try and locate the open.

  • Page 24: Safety Precautions

    SAFETY PRECAUTIONS SAFETY PRECAUTIONS The following safety precautions must be observed when working on a Detroit Diesel engine: PERSONAL INJURY Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
  • Page 25 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE All information subject to change without notice. (Rev. ) 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 26 To avoid injury from flying debris when using compressed air, wear adequate eye protection (face shield or safety goggles) and do not exceed 276 kPa (40 psi) air pressure. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 27 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 1.3.3 Welding Wear welding goggles and gloves when welding or using an acetylene torch. Ensure that a metal shield separates the acetylene and oxygen tanks. These must be securely chained to a cart. PERSONAL INJURY...
  • Page 28 To avoid injury from penetrating fluids, do not put your Fluids under hands in front of fluid under pressure. pressure can penetrate skin and clothing. (Rev. ) All information subject to change without notice. 1-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 29 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 1.3.5 Fuel Keep the hose and nozzle or the funnel and container in contact with the metal of the fuel tank when refueling. FIRE To avoid injury from fire, keep all potential ignition sources away from diesel fuel, including open flames, sparks, and...
  • Page 30 Always disconnect the battery cable before working on the electrical system. PERSONAL INJURY To avoid injury from accidental engine startup while servicing the engine, disconnect/disable the starting system. (Rev. ) All information subject to change without notice. 1-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 31 1.3.9 Diagnostic Equipment For mobile applications, Detroit Diesel Diagnostic Link (DDDL) must be used by personnel other than the vehicle operator. The vehicle operator must maintain control of the vehicle while an assistant performs the diagnostic evaluations.
  • Page 32 Tie back or contain long hair that could be caught in any moving part causing injury. (Rev. ) All information subject to change without notice. 1-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 33 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 1.3.11 Optimized Idle Optimized Idle must be turned on by the factory via order entry or mainframe setup. UNEXPECTED ENGINE START To avoid injury from an unexpected startup of an engine equipped with the Optimized Idle system, remove the starter relay from the relay holder.
  • Page 34 SAFETY PRECAUTIONS (Rev. ) All information subject to change without notice. 1-16 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 35: Fuel Injection

    FUEL INJECTION Section Page PERFORMING TROUBLESHOOTING TESTS ........TEST #1: FUEL PRESSURE TEST ............TEST #2: PERCENTAGE OF FUEL DELIVERY FOR A SMOOTH IDLE TEST #4: FUEL PUMP DRIVEN GEAR BOLT TORQUE ......2-10 TEST #5: LEAK TEST ................2-12...
  • Page 36 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 37: Performing Troubleshooting Tests

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE PERFORMING TROUBLESHOOTING TESTS To perform fuel troubleshooting tests on the engine: 1. Run the engine for two to three minutes at rated speed, 1800–2100 rpm. NOTICE: Correct torque on the high pressure lines is critical. Incorrect torques could result in leaks or lack of power due to restricted fuel flow.
  • Page 38 8. If the problem has still not been resolved, test vehicle performance on a chassis dynamometer. If there is no improvement in fuel consumption or performance, connect a fuel consumption measuring system. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 39: Test #1: Fuel Pressure Test

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TEST #1: FUEL PRESSURE TEST The following test set-up and test will determine the fuel pressure. 2.2.1 Test #1 Set-Up Install the pressure gauge on the fuel system. There are two possible setups for this installation.
  • Page 40 The fitting applied in both setups is not a special tool and it is not included in the Mercedes-Benz kit or SPX kit. This fitting is a component and it can be ordered from Canton PDC under part number 915039012205. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 41 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 2.2.2 Performing Test #1 Test as follows: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.
  • Page 42 6.5 bar (94 psi): Check the fuel pressure valve for a blocked or restricted regulator orifice. Table 2-2 Checks for Fuel System Specifications (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 43: Test #2: Percentage Of Fuel Delivery For A Smooth Idle

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TEST #2: PERCENTAGE OF FUEL DELIVERY FOR A SMOOTH IDLE The following test set-up and test will determine the percentage of fuel delivery for each cylinder in order to maintain a smooth operation at idle.

  • Page 44: Test #4: Fuel Pump Driven Gear Bolt Torque

    4. Remove the crankshaft vibration damper from the engine through the opening in the bumper. 5. Remove the idler pulley and the air conditioner compressor pad. 6. Remove the camshaft gear cover. See Figure 2-4. (Rev. ) All information subject to change without notice. 2-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 45 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 7. Remove the bolt and use a puller to remove the gear. See Figure 2-4. 1. Camshaft Gear Cover 4. Fuel Pump Drive Gear 2. Drive Gear Mounting Bolt 5. Camshaft Gear Cover Gasket 3.

  • Page 46: Test #5: Leak Test

    975 kPa (141 psi). If the gauge pressure is too low as listed in Table 2-3, correct the problem. Make any necessary repairs and/or replacements. (Rev. ) All information subject to change without notice. 2-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 47 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 5. Check the engine oil for presence of fuel. If there is fuel in the engine oil as listed in Table 2-3, correct the problem. Make any necessary repairs and/or replacements. Possible Cause Remedy The engine is leaking at external connections such as Replace seals and/or gaskets as necessary.
  • Page 48 TEST #5: LEAK TEST (Rev. ) All information subject to change without notice. 2-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 49: Misfiring Cylinder

    MISFIRING CYLINDER Section Page POOR VEHICLE GROUND ..............AERATED FUEL ..................IMPROPER VALVE CLEARANCE, WORN OR DAMAGED CAMSHAFT LOBES AND ROLLERS ................FAULTY FUEL NOZZLE/UNIT PUMP ............FAULTY MCM ..................3-10 WORN OR DAMAGED VALVE OR CYLINDER KIT ........ 3-11...
  • Page 50 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 51: Poor Vehicle Ground

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE POOR VEHICLE GROUND Check for poor vehicle ground as follows: 1. Remove the alternator drive belt. PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.
  • Page 52 [a] If the engine is not misfiring, no further troubleshooting is required. Shut down the engine. [b] If the engine is misfiring, check for aerated fuel. Shut down the engine; refer to section 3.2. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 53: Aerated Fuel

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE AERATED FUEL Check for aerated fuel as follows: 1. Disconnect the fuel line return hose from the fitting located at the fuel tank. 2. Place the opened end of fuel line into a suitable container.
  • Page 54 [b] If the engine is misfiring, check for improper valve clearance, or worn or damaged camshaft lobes or rollers. Shut down the engine; refer to section 3.3. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 55: Improper Valve Clearance, Worn Or Damaged Camshaft Lobes And Rollers

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE IMPROPER VALVE CLEARANCE, WORN OR DAMAGED CAMSHAFT LOBES AND ROLLERS Intake and exhaust valve clearance are adjusted by means of an adjusting set screw and locknut located at the push rod end of the rocker arm. See Figure 3-1 for intake valves. Exhaust valve is similar.
  • Page 56 [a] If engine is not misfiring, shut down the engine. No further troubleshooting is required. [b] If engine is misfiring, shut down the engine and check for faulty fuel nozzle; refer to section 3.4. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 57: Faulty Fuel Nozzle/Unit Pump

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE FAULTY FUEL NOZZLE/UNIT PUMP To determine if a faulty fuel nozzle or unit pump is causing the cylinder to misfire, check for the following items: 1. Use the minidiag2 to detect any fault codes.

  • Page 58: Faulty Mcm

    [b] If the engine is misfiring, shut down the engine, install original MCM, and check for worn or damaged valves and cylinder kits; refer to section 3.6. (Rev. ) All information subject to change without notice. 3-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 59: Worn Or Damaged Valve Or Cylinder Kit

    [a] If the engine is not misfiring, no further troubleshooting is required. Shut down the engine. [b] If the engine is misfiring, shut down the engine. Call Detroit Diesel Customer Support Center at 313–592–5800. All information subject to change without notice.
  • Page 60 WORN OR DAMAGED VALVE OR CYLINDER KIT (Rev. ) All information subject to change without notice. 3-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 61: Starting Difficulty (Engine Rotates)

    STARTING DIFFICULTY (ENGINE ROTATES) Section Page TROUBLESHOOTING PROCEDURE FOR DDEC-CPC WIRING HARNESS ....................VEHICLE CIRCUIT BREAKERS OR FUSES CHECK ......DDEC-ECU POWER HARNESS VOLTAGE TEST ........POWER HARNESS REPAIR ..............TROUBLESHOOTING PROCEDURE FOR AN EMPTY FUEL TANK ..LOW FUEL LEVEL RESOLUTION ............TROUBLESHOOTING PROCEDURE FOR LOW BATTERY VOLTAGE .
  • Page 62 TROUBLESHOOTING PROCEDURE FOR RESTRICTIVE AIR FILTER 4-27 4.26 AIR FILTER REPLACEMENT ..............4-28 4.27 TROUBLESHOOTING PROCEDURE FOR LOW COMPRESSION ..4-29 4.28 LOW COMPRESSION REPAIR ............... 4-30 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 63: Troubleshooting Procedure For Ddec-Cpc Wiring Harness

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TROUBLESHOOTING PROCEDURE FOR DDEC-CPC WIRING HARNESS To determine if the DDEC-CPC wire harness is causing starting difficulty, perform the following steps: 1. Turn the ignition switch to the ON position. 2. Install the Diagnostic Data Link (DDL) adaptor to the data cable and plug the adaptor into the DDL connector in the vehicle.
  • Page 64 2. If circuit breakers are not tripped, measure the voltage at the DDEC-ECU power harness. An Electronic Control Troubleshooting Guide is currently under development for this procedure. Contact DDC Customer Support Center at 313-592-5800 in the interim. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 65: Ddec-Ecu Power Harness Voltage Test

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE DDEC-ECU POWER HARNESS VOLTAGE TEST An Electronic Control Troubleshooting Guide is currently under development. Contact DDC Customer Support Center at 313-592-5800 in the interim. All information subject to change without notice. (Rev. ) 6SE568...

  • Page 66: Power Harness Repair

    Shut down the engine. 2. If the engine fails to start and run, check for an empty fuel tank; refer to section 4.5. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 67: Troubleshooting Procedure For An Empty Fuel Tank

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TROUBLESHOOTING PROCEDURE FOR AN EMPTY FUEL TANK To determine if an empty fuel tank is causing starting difficulty, check the amount of fuel in fuel tank; refer to OEM guidelines. 1. If fuel is at recommended level, check for a weak battery; refer to section 4.7.

  • Page 68: Low Fuel Level Resolution

    1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting is required. Shut down the engine. 2. If the engine fails to start and run, check the battery; refer to section 4.7. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 69: Troubleshooting Procedure For Low Battery Voltage

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TROUBLESHOOTING PROCEDURE FOR LOW BATTERY VOLTAGE To determine if a weak battery is causing starting difficulty, measure the battery voltage; refer to OEM guidelines. 1. If voltage is between 10.5 - 14 volts (21 - 26 volts for a 24-volt system), check the terminals for corrosion or damage;...

  • Page 70: Battery Replacement

    Perform the following steps for battery repair: 1. Remove and replace the battery; refer to OEM guidelines. 2. Verify battery replacement; refer to section 4.9. (Rev. ) All information subject to change without notice. 4-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 71: Test Engine With Replaced Battery

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE TEST ENGINE WITH REPLACED BATTERY To determine if the battery replacement resolved starting difficulty, attempt to start and run the engine. PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

  • Page 72: Troubleshooting Procedure For Corroded Or Damaged Battery Terminals

    1. If corrosion or damage are not found, check the magnetic switch; refer to section 4.12. 2. If corrosion or damage are found, repair is necessary; refer to section 4.11. (Rev. ) All information subject to change without notice. 4-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 73: Corroded Or Damaged Battery Terminal Repair

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.11 CORRODED OR DAMAGED BATTERY TERMINAL REPAIR Perform the following steps to repair corroded or damaged battery terminals: 1. Repair or replace any corroded or damaged terminals; refer to OEM guidelines. 2. Verify repair of corroded or damaged terminals; refer to section 4.11.1.

  • Page 74: Troubleshooting Procedure For Defective Magnetic Switch

    4.13. [b] If the engine did not crank with the jumper cable in place, check the starter; refer to section 4.14. (Rev. ) All information subject to change without notice. 4-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 75: Magnetic Switch Replacement

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.13 MAGNETIC SWITCH REPLACEMENT Perform the following steps for magnetic switch replacement: 1. Replace the magnetic switch; refer to OEM guidelines. 2. Verify magnetic switch replacement; refer to section 4.13.1. 4.13.1 Test Engine with Replaced Magnetic Switch To determine if the magnetic switch replacement resolved the starting difficulty, perform the...

  • Page 76: Troubleshooting Procedure For A Defective Starter

    4.15. [b] If the voltage is to specification while cranking the engine, check the cranking speed; refer to section 4.16. (Rev. ) All information subject to change without notice. 4-16 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 77: Starter Replacement

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.15 STARTER REPLACEMENT To determine if the replaced starter resolved starting difficulty, perform the following steps: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

  • Page 78: Troubleshooting Procedure For Low Cranking Speed

    □ If the cranking speed is greater than 100 rpm, check the OEM fuel supply valve; refer to section 4.18. □ If the cranking speed is less than 100 rpm; .Refer to section 4.17. (Rev. ) All information subject to change without notice. 4-18 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 79: Low Cranking Speed Repair

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.17 LOW CRANKING SPEED REPAIR Perform the following steps for low cranking speed repair: 1. Drain the engine oil. Refer to the MBE 4000 Service Manual (6SE420), Lubrication Chapter. 2. Remove the oil filter(s). Refer to the MBE 4000 Service Manual (6SE420), Lubrication Chapter.

  • Page 80: Troubleshooting Procedure For The Fuel Supply Valve

    1. If the fuel supply valve is open, check the fuel filters; refer to section . 2. If the fuel supply valve is closed, repair is necessary; refer to section 4.19. (Rev. ) All information subject to change without notice. 4-20 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 81: Fuel Supply Valve Repair

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.19 FUEL SUPPLY VALVE REPAIR Perform the following steps for fuel supply valve repair: 1. Correct valve operation or replace valve. 2. Prime the fuel system; Refer to the MBE 4000 Service Manual (6SE420), Operation and Verification Chapter.

  • Page 82: Plugged Fuel Filter(S) Replacement

    Shut down the engine. 2. If the engine fails to start and run, check the fuel pump; refer to section 4.21. (Rev. ) All information subject to change without notice. 4-22 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 83: Troubleshooting Procedure For Fuel Pump

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.21 TROUBLESHOOTING PROCEDURE FOR FUEL PUMP To determine if the fuel pump is causing starting difficulty, perform the following: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

  • Page 84: Fuel Pump Replacement

    Shut down the engine. 2. If the engine fails to start and run, check for aerated fuel; refer to section 4.23. □ □ (Rev. ) All information subject to change without notice. 4-24 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 85: Troubleshooting Procedure For Aerated Fuel

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.23 TROUBLESHOOTING PROCEDURE FOR AERATED FUEL To determine if aerated fuel is causing starting difficulty, perform the following steps: 1. Disconnect the fuel line return hose from the fitting located at the fuel tank; refer to OEM guidelines.

  • Page 86: Aerated Fuel Resolution

    Shut down the engine. 2. If the engine fails to start and run, check for a restrictive air filter; refer to section 4.25. (Rev. ) All information subject to change without notice. 4-26 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 87: Troubleshooting Procedure For Restrictive Air Filter

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4.25 TROUBLESHOOTING PROCEDURE FOR RESTRICTIVE AIR FILTER To determine if a restrictive air filter is causing starting difficulty, perform the following steps: 1. Remove the air filter element; refer to OEM guidelines. PERSONAL INJURY...

  • Page 88: Air Filter Replacement

    1. Attempt to start the engine, if the engine starts and runs, no further troubleshooting is required. Shut down the engine. 2. If the engine fails to start and run, check compression; refer to section 4.27. (Rev. ) All information subject to change without notice. 4-28 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 89: Troubleshooting Procedure For Low Compression

    Table 4-1 Compression Testing Specifications [a] If cylinder pressure is below specifications, refer to section 4.28. [b] If cylinder pressure is within specifications, call Detroit Diesel Customer Support Center at 313-592-5800. All information subject to change without notice. (Rev. )

  • Page 90: Low Compression Repair

    1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting is required. Shut down the engine. 2. If the engine fails to start and run, call the Detroit Diesel Customer Support Center at 313-592-5800.

  • Page 91: Start (Engine Will Not Rotate)

    NO START (ENGINE WILL NOT ROTATE) Section Page .........................
  • Page 92 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 93 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE All information subject to change without notice. (Rev. ) 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 94 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 95: Excessive Oil Consumption

    EXCESSIVE OIL CONSUMPTION Section Page MISCALIBRATED DIPSTICK ..............EXTERNAL OIL LEAKS ................ENGINE OIL LEAK REPAIR ..............LEAKING OIL HEAT EXCHANGER ............TEST ENGINE WITH NEW OIL HEAT EXCHANGER ......DEFECTIVE AIR COMPRESSOR ............TEST ENGINE WITH REPAIRED AIR COMPRESSOR ......6-10 DEFECTIVE TURBOCHARGER .............
  • Page 96 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 97: Miscalibrated Dipstick

    [a] If a calibration check indicates that the oil level is off by more than 2.0 mm (0.079 in.), contact Detroit Diesel Customer Support Center at 313-592-5800. [b] Check for oil leaks; refer to section 6.2. All information subject to change without notice.

  • Page 98: External Oil Leaks

    [a] If no oil leaks are found, shut down the engine and check for a leaking oil cooler core; refer to section 6.4. [b] If oil leaks are found, shut down the engine; refer to section 6.3. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 99: Engine Oil Leak Repair

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE ENGINE OIL LEAK REPAIR Perform the following steps, as necessary, to resolve engine oil leaks: 1. Repair or replace components leaking oil; refer to MBE900 service manual, lubrication system chapter. 2. Verify repairs made to correct oil leaks; refer to section 6.3.1.

  • Page 100: Leaking Oil Heat Exchanger

    Verify the replacement of the oil heat exchanger, refer to section 6.5. [b] If no cracks are present, complete a lube oil consumption report; call Detroit Diesel Customer Support Center (313-592-5800) for a form. (Rev. ) All information subject to change without notice.

  • Page 101: Test Engine With New Oil Heat Exchanger

    1. If the oil consumption report data is within specifications, check for defective air compressor; refer to section 6.6. 2. If the oil consumption report data is not within specifications, call Detroit Diesel Customer Support Center at 313-592-5800. All information subject to change without notice.

  • Page 102: Defective Air Compressor

    [b] If the engine crankcase pressure decreased, replace the air compressor; refer to MBE900 service manual, special equipment chapter. Verify the replaced (or new) air compressor, refer to section 6.7. (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 103 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 6.6.1 Crankcase Pressure Test Perform the following steps to check the engine crankcase pressure: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

  • Page 104: Test Engine With Repaired Air Compressor

    [b] If the engine crankcase pressure is within 0.62 kPa (2.5 in. H O), shut down the engine; no further troubleshooting is required. (Rev. ) All information subject to change without notice. 6-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 105: Defective Turbocharger

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE DEFECTIVE TURBOCHARGER To determine if a defective turbocharger is causing excessive oil consumption, perform the following: 1. Remove the turbocharger drain line connected to the crankcase and place the drain line into a suitable container.

  • Page 106: Worn Or Damaged Valve Or Cylinder Kit

    10. Compare the cylinder compression test results to specifications as listed in Table 6-1. [a] If the cylinder compression is below specifications, repair worn or damaged valve(s) or cylinder kit; refer to section 6.10. [b] If the cylinder compression is within specifications, call Detroit Diesel Customer Support Center (313-592-5800). Description...
  • Page 107 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 6.9.1 Compression Testing To do compression testing the nozzle holder will need to be removed and the compression tester installed. 1. Set the parking brake and chock the tires. NOTE: To do this procedure, coolant temperature must be between 70 - 95°C (158 - 203°F).
  • Page 108 (26 lb·ft) for the 12-point head with the spherical collar. NOTE: Follow the equipment manufacturer's operating instructions to connect the compression tester. (Rev. ) All information subject to change without notice. 6-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 109 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 6. Attach the compression tester J-6692–B to the test adaptor J-46386. Thread the fitting at the end of the tester to the top of the test adaptor. See Figure 6-3. 1. Hold-Down Bolt 3. End Cover (constant throttle) 2.
  • Page 110 12-point head with the spherical collar. 7. Repeat this procedure for each cylinder. 8. Remove the chocks from the tires. (Rev. ) All information subject to change without notice. 6-16 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 111: Worn Or Damaged Valve(S) Or Cylinder Kit(S) Repair

    1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting in required. 2. If the engine fails to start and run, call the Detroit Diesel Customer Support Center at 313-592-5800. All information subject to change without notice.

  • Page 112: Worn Or Damaged Valve(S) Or Cylinder Kit(S) Repair

    6.10 WORN OR DAMAGED VALVE(S) OR CYLINDER KIT(S) REPAIR (Rev. ) All information subject to change without notice. 6-18 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 113: Excessive Crankcase Pressure

    EXCESSIVE CRANKCASE PRESSURE Section Page OBSTRUCTION OR DAMAGE TO BREATHER SYSTEM ...... DEFECTIVE AIR COMPRESSOR ............DEFECTIVE TURBOCHARGER ............. WORN OR DAMAGED VALVE OR CYLINDER KIT ........
  • Page 114 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 115: Obstruction Or Damage To Breather System

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE OBSTRUCTION OR DAMAGE TO BREATHER SYSTEM To determine if an obstructed or damaged breather is causing excessive crankcase pressure, perform a crankcase pressure test. Refer to section 7.1.1 7.1.1 Crankcase Pressure Test Perform the following steps to check the engine crankcase pressure:...
  • Page 116 Shut down the engine. [b] If the engine crankcase pressure is greater than 2.0 kPa (8.0 in. H O), check the air compressor; (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 117: Defective Air Compressor

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE DEFECTIVE AIR COMPRESSOR To determine if a defective air compressor is causing excessive crankcase pressure, perform the following: 1. Perform a crankcase pressure test and record the test results;refer to section 7.1.1 2. Disconnect the air discharge line from the air compressor; see Figure 7-1 for air line attachments.
  • Page 118 [b] If the engine crankcase pressure is not within 2.0 kPa (8.0 in. H O), shutdown the engine. Check the turbocharger; refer to section 7.3 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 119: Defective Turbocharger

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE DEFECTIVE TURBOCHARGER To determine if a defective turbocharger is causing excessive crankcase pressure, perform the following: NOTICE: Ensure that the engine is not allowed to operate longer than necessary to perform the crankcase pressure test. A complete loss of crankcase oil will severely damage the engine.

  • Page 120: Worn Or Damaged Valve Or Cylinder Kit

    11. Perform the cylinder compression test, Refer to section 7.4.1 [a] If cylinder pressure is below specifications, Refer to section 7.4.2. [b] If cylinder pressure is within specifications, call Detroit Diesel Customer Support Center at 313-592-5800. 7.4.1 Compression Testing Perform the following steps to compression test the engine: (Rev.
  • Page 121 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Removal NOTE: Start this procedure only when the engine is cold. Wait at least 30 minutes after switching off the engine. 1. Set the parking brake and chock the tires. PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.
  • Page 122 4. Turn on the ignition key switch and run the engine until it reaches operating temperature. 5. Shut down the engine. (Rev. ) All information subject to change without notice. 7-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 123 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 6. Remove the fuel injector nozzle. See Figure 7-2. Refer to the MBE 4000 Service Manual (6SE420, Fuel System Chapter. 1. Retaining Bolt 6. Constant-Throttle End Cover 2. Tensioning Arm 7. O-ring (transfer tube) 3.
  • Page 124 3. Compare measurements on the chart with the values listed in Table 7-1. If the pressure measured is below the minimum compression pressure or above the permissible (Rev. ) All information subject to change without notice. 7-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 125 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE difference, determine the cause and correct the problem. To remove the cylinder head, refer to theMBE 4000 Service Manual (6SE420, Engine Chapter. Description Pressure kPa (psi) Minimum Compression Pressure Valve 2800 (406) Permissible Difference Between Individual Cylinders...
  • Page 126 10. Compare the cylinder pressure test results to specifications listed in table7-2 [a] If cylinder pressure is within specifications, no further troubleshooting is required. [b] If cylinder pressure is not within specifications, call Detroit Diesel Customer Support Center at 313-592-5800.

  • Page 127: Excessive Exhaust Smoke (Black Or Gray)

    EXCESSIVE EXHAUST SMOKE (BLACK OR GRAY) Section Page .........................
  • Page 128 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 129 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE All information subject to change without notice. (Rev. ) 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 130 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 131: Excessive Blue Smoke 9.1

    EXCESSIVE BLUE SMOKE Section Page .........................
  • Page 132 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 133 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE All information subject to change without notice. (Rev. ) 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 134 (Rev. ) All information subject to change without notice. 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 135: Excessive White Smoke 10.1

    EXCESSIVE WHITE SMOKE Section Page 10.1 ......................... 10-3...
  • Page 136 (Rev. ) All information subject to change without notice. 10-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 137 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 10.1 All information subject to change without notice. (Rev. ) 10-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 138 10.1 (Rev. ) All information subject to change without notice. 10-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 139 ROUGH RUNNING OR STALLING Section Page 11.1 ......................... 11-3...
  • Page 140 (Rev. ) All information subject to change without notice. 11-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 141 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 11.1 All information subject to change without notice. (Rev. ) 11-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 142 11.1 (Rev. ) All information subject to change without notice. 11-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 143: Lack Of Power

    LACK OF POWER Section Page 12.1 ......................... 12-3...
  • Page 144 (Rev. ) All information subject to change without notice. 12-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 145 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 12.1 All information subject to change without notice. (Rev. ) 12-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 146 12.1 (Rev. ) All information subject to change without notice. 12-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 147: High Engine Coolant Temperature 13.1

    HIGH ENGINE COOLANT TEMPERATURE Section Page 13.1 ......................... 13-3...
  • Page 148 (Rev. ) All information subject to change without notice. 13-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 149 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 13.1 All information subject to change without notice. (Rev. ) 13-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 150 13.1 (Rev. ) All information subject to change without notice. 13-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 151: Low Oil Pressure 14.1

    LOW OIL PRESSURE Section Page 14.1 ......................... 14-3...
  • Page 152 (Rev. ) All information subject to change without notice. 14-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 153 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 14.1 All information subject to change without notice. (Rev. ) 14-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 154 14.1 (Rev. ) All information subject to change without notice. 14-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 155: Low Coolant Temperature 15.1

    LOW COOLANT TEMPERATURE Section Page 15.1 ......................... 15-3...
  • Page 156 (Rev. ) All information subject to change without notice. 15-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 157 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 15.1 All information subject to change without notice. (Rev. ) 15-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 158 15.1 (Rev. ) All information subject to change without notice. 15-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 159: Poor Fuel Economy 16.1

    POOR FUEL ECONOMY Section Page 16.1 ......................... 16-3...
  • Page 160 (Rev. ) All information subject to change without notice. 16-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 161 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 16.1 All information subject to change without notice. (Rev. ) 16-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 162 16.1 (Rev. ) All information subject to change without notice. 16-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 163: Ddec Vi System

    DDEC VI SYSTEM Section Page 17.1 DDEC VI SYSTEM--HOW IT WORKS ............. 17-3 17.2 MOTOR CONTROL MODULE ..............17-4 17.3 COMMON POWERTRAIN CONTROLLER ..........17-18 17.4 WIRES AND WIRING ................17-28 17.5 CONDUIT AND LOOM ................17-42 17.6 TAPE AND TAPING ................. 17-43 17.7 SENSORS ....................
  • Page 164 (Rev. ) All information subject to change without notice. 17-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 165 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.1 DDEC VI SYSTEM–HOW IT WORKS DDEC VI is a system that monitors and determines all values required for the operation of the engine. A diagnostic interface is provided to connect to an external diagnosis tester. Besides...

  • Page 166: Motor Control Module

    2. 120–pin Connector (Detroit Diesel Responsibility) Figure 17-1 Motor Control Module NOTE: Do NOT ground the MCM housing. This can result in false codes being logged. (Rev. ) All information subject to change without notice. 17-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 167 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.2.1 MBE 4000 Engine Harness The MCM has a 120–pin connector Engine Harness which is factory installed. It also has a 21–pin connector which is the responsibility of the OEM. The pinouts for the 120–pin connector for the MBE 4000 engine are listed in Table 17-1, Table 17-2, Table 17-3, and Table 17-4.
  • Page 168 Engine Oil Pressure Sensor Sensor Ground Sensor Power Supply EGR Throttle Position Table 17-2 MCM Connector – MBE 4000 (2 of 4) – C Sample (Rev. ) All information subject to change without notice. 17-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 169 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Function Connector EGR Valve Power Supply Power Supply Doser EPV2 (Entry Connecting Flap) Ground Fuel Cutoff Valve CKP (-) Supply Fuel Temperature Sensor Grid Heater Sensor Power Supply Fuel Compensation Pressure Sensor Sensor Power Supply...
  • Page 170 DPF Inlet Pressure Sensor Intake Manifold Pressure Sensor Turbo Compressor Pressure Sensor Table 17-4 MCM Connector – MBE 4000 (4 of 4) – C Sample (Rev. ) All information subject to change without notice. 17-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 171 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.2.2 Connector Brackets The harnesses on MCM must be bracketed and held secure. The bracket design will change for different engines as the routing is different. The 120–pin connector and the 21-pin connector must be tie-wrapped to the brackets as shown in the following drawing for the MBE engines (see Figure 17-2).
  • Page 172 31/3 Fuel Heater Supply #1† — — 31/4 Spare Full Heater Supply #2† 31/5 — — 31/6 Spare — — — — (Rev. ) All information subject to change without notice. 17-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 173 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Function Series 60 MBE900 MBE 4000 31/7 Power Supply #2 Ground* — — — 31/8 Ether Start — — — Fan Control #2 – High of Two-speed Fan 31/9 or Variable Speed Fan 31/10...
  • Page 174 3. DOC Outlet Temperature Sensor 7. A= Engine Exhaust Inlet 4. Sensor Junction Box 8. B= Exhaust Outlet Figure 17-3 Aftertreatment Device (Rev. ) All information subject to change without notice. 17-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 175 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE The ATD may be horizontally or vertically mounted depending on the vehicle chassis configuration. See Figure 17-4 for a typical mounting view of the ATD. Typical Mounting Views of an Aftertreatment Device Figure 17-4 The wiring for the DPF Harness is determined by the ATD mount position.
  • Page 176 See Figure 17-5 for the DPF Harness wiring for a vertical mount ATD. Figure 17-5 Vertical and Under Step Mount ATD Wiring — OEM Responsibility (Rev. ) All information subject to change without notice. 17-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 177 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE The wiring for the 10–pin DPF connector is listed in Table 17-7. Function Connector Sensor Ground Sensor Supply DPF Inlet Pressure Sensor (Exhaust Gas Pressure Before Particulate Filter) DPF Outlet Pressure Sensor (Exhaust Gas...
  • Page 178 See Figure 17-6 for the DPF Harness wiring for a horizontal mount ATD. Figure 17-6 Horizontal Mount ATD Wiring — OEM Responsibility (Rev. ) All information subject to change without notice. 17-16 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 179 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE The wiring for the DPF 10–pin connector and 2–pin connector is listed in Table 17-8. Function Connector Sensor Ground Sensor Supply DPF Inlet Pressure Sensor (Exhaust Gas Pressure Before Particulate Filter) DPF Outlet Pressure Sensor (Exhaust Gas...

  • Page 180: Common Powertrain Controller

    The CPC is the interface between the MCM and the vehicle/equipment for engine control and manages other vehicle/equipment functions. See Figure 17-7. Figure 17-7 The Common Powertrain Controller (Rev. ) All information subject to change without notice. 17-18 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 181 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE The OEM is responsible for mounting this part in an enclosed, protected environment. The mounting bracket is the responsibility of the OEM. There must be maximum physical separation of the VIH from other vehicle/equipment electrical systems. Other electrical system wires should ideally be at least three feet away from the VIH and should not be parallel to the VIH.
  • Page 182 The CPC is not water tight and cannot be subject to water spray. It must be mounted in an enclosed, protected environment. (Rev. ) All information subject to change without notice. 17-20 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 183 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.3.2 CPC Vehicle Interface Harness The OEM supplied Vehicle Interface Harness (VIH) connects the CPC to the MCM and other vehicle systems (see Figure 17-10). Figure 17-10 Vehicle Interface Harness All information subject to change without notice.
  • Page 184 Operating the CPC and/or MCM between 8 and 11 volts may result in degraded engine operation. (Transient operation in this range during engine starting is considered normal for 12 volt systems.) (Rev. ) All information subject to change without notice. 17-22 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 185 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE NOTICE: Reversing polarity will cause damage to the CPC and/or MCM if the Power Harness is not properly fused. NOTE: All output loads, ignition and CPC power must be powered from the same battery voltage source.
  • Page 186 Switches must remain closed for 30 seconds after ignition is off for the MCM and CPC to write non-volatile data. NOTE: It is recommended that both the positive (+) and negative (-) battery leads be disconnected. (Rev. ) All information subject to change without notice. 17-24 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 187 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE NOTE: Disconnecting positive power is not sufficient to isolate the CPC for welding purposes. NOTICE: When welding, the following must be done to avoid damage to the electronic controls or the engine: □ Both the positive (+) and negative (-) battery leads must be disconnected before welding.
  • Page 188 CPC, the 21–pin connector at the MCM, the 31–pin MCM pigtail connector and the 10–pin DPF connector. NOTE: The CPC connectors are not water tight and cannot be subject to water spray. (Rev. ) All information subject to change without notice. 17-26 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 189 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.3.5.1 Data Link Connector The SAE J1708/J1587 nine-pin data link connector is required. DDC recommends that the OEM-supplied Data Link Connector be conveniently positioned in a well protected location facilitating subsequent DDDL 7.0 usage (i.e., reprogramming, diagnostics, etc.).

  • Page 190: Wires And Wiring

    17.4 WIRES AND WIRING 17.4 WIRES AND WIRING Detroit Diesel Corporation recommends color coding and hot stamping wire numbers in contrasting colors at intervals of four inches or less. 17.4.1 General Requirements NOTE: Avoid renumbering DDC circuits since all troubleshooting guides reference the circuit numbers shown in the schematic.
  • Page 191 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.4.3 Crimp tools The part numbers for the crimp tools for working with the MCM and CPC connectors are listed in Table 17-15. Description Part Number Extraction Tool 726503–1 Hand Crimp Tool 169400–0 Crimp Dies for 0.5 mm – 1.0 mm Terminals 734262–0...
  • Page 192 5. Grasp the contact approximately one inch behind the contact crimp barrel. Hold the connector with the rear grommet facing you. See Figure 17-14. Figure 17-14 Pushing Contact Into Grommet (Rev. ) All information subject to change without notice. 17-30 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 193 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 6. Push the contact into the grommet until a positive stop is felt. See Figure 17-14. A slight tug will confirm that it is properly locked into place. See Figure 17-15. Figure 17-15 Locking Terminal Into Connector 17.4.4.2...
  • Page 194 Removal Tool Insertion 3. Pull contact cable assembly out of the connector. Keep reverse tension on the cable and forward tension on the tool. (Rev. ) All information subject to change without notice. 17-32 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 195 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.4.5 Splicing Guidelines The following are guidelines which may be used for splices. The selection of crimpers and splice connectors is optional. Select a high quality crimper equivalent to the Kent-Moore tool, J–38706, and commercially available splice clips.
  • Page 196 3. Use a suitable electronic soldering iron to heat the wires. Apply the solder to the heated wire and clip (not to the soldering iron) allowing sufficient solder flow into the splice joint. (Rev. ) All information subject to change without notice. 17-34 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 197 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 4. Pull on wire to assure crimping and soldering integrity. The criteria listed in Table 17-18 must be met. Wire Gage Must Withstand Applied Load 14 AWG 45 lb (200 N) 16 AWG 27 lb (120 N)
  • Page 198 Applied Load Criteria for Terminals 7. Shrink the splice clip insulative casing with a heat gun to seal the splice (see Figure 17-21, C). (Rev. ) All information subject to change without notice. 17-36 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 199 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE NOTICE: Splices may not be closer than 12 in. (.3 m) apart to avoid degradation in circuit performance. Replace wire to avoid having splices closer than 12 in. (.3 m) apart. 8. Loop the lead back over the spliced joint and tape. See Figure 17-20.
  • Page 200 7. Slide the shrink tubing over the crimped splice clip (see Figure 17-22, C). 8. Shrink tubing with a heat gun to seal the splice (see Figure 17-22, D). (Rev. ) All information subject to change without notice. 17-38 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 201 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE NOTICE: A minimum of two layers of heat shrink tubing must be applied to splices that have more than one lead in or out. 9. Loop the lead back over the spliced joint and tape. See Figure 17-20.
  • Page 202 3. Repeat step 2 to apply a second layer of protection (if required by splicing guidelines). (Rev. ) All information subject to change without notice. 17-40 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 203 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.4.5.5 Staggering Wire Splices Position spliced wires properly as follows: NOTICE: You must stagger positions to prevent a large bulge in the harness and to prevent the wires from chafing against each other. 1. Stagger the position of each splice (see Figure 17-23) so there is at least a 2.5 in. (65 mm) separation between splices.

  • Page 204: Conduit And Loom

    * If non-metallic loom is used, secure the ends with tightly wrapped nylon straps to prevent unraveling. Conduit should cover the wires without binding and without being excessively large. (Rev. ) All information subject to change without notice. 17-42 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 205: Tape And Taping

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.6 TAPE AND TAPING Tape must be used when conduit is utilized. Be sure to follow the tape manufacturers' guidelines. The harness manufacturer may use tape under the harness covering (conduit or loom) to facilitate harness building.

  • Page 206: Sensors

    The sensors integrated into the Engine Harness are factory-installed (refer to section 17.7.1). The sensors integrated into the Vehicle Interface Harness are installed by the OEM (refer to section 17.7.2). (Rev. ) All information subject to change without notice. 17-44 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 207 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.7.1 Factory-installed Sensors The sensors integrated into the factory-installed Engine Harness are listed in Table 17-23. Sensor Function Camshaft Position Sensor (CMP Sensor) Indicates a specific cylinder in the firing order. Crankshaft Position Sensor...
  • Page 208 See Figure 17-24 for the location of the sensors for the DOC and DPF. Figure 17-24 Sensor Location for the DOC and DPF (Rev. ) All information subject to change without notice. 17-46 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 209 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.7.2 OEM-installed Sensors All sensors must be of the proper type and continuously monitor vehicular and environmental conditions, so the MCM can react to changing situations. The OEM is responsible for installing the sensors listed in Table 17-24.
  • Page 210 See Figure 17-25. Figure 17-25 Ambient Air Temperature Sensor Installation (Rev. ) All information subject to change without notice. 17-48 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 211 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.7.4 Engine Coolant Level Sensor The ECL Sensor provides an input to the engine protection system and warn the operator if a low coolant level has been reached. The main component of the ECL Sensor consists of a conductivity probe, which connects to the CPC (see Figure 17-26).
  • Page 212 17-27). Polarity of the ground and signal must be correct for proper operation. Figure 17-27 Engine Coolant Level Sensor Installation for CPC (Rev. ) All information subject to change without notice. 17-50 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 213 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE The probe should be located in either the radiator top tank or a remote mounted surge tank. It should be mounted horizontally in the center of the tank and must be in a position to signal low coolant before aeration occurs.
  • Page 214 3 = Dual Level Float Sensor (FTL), fixed threshold/FTL Gentec 4 = Single Level Probe Sensor, fixed threshold Enabling the Engine Coolant Level Sensor Table 17-28 (Rev. ) All information subject to change without notice. 17-52 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 215 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.7.5 Turbo Compressor In Temperature Sensor The Turbo Compressor In Temperature Sensor (TCI Sensor) produces a signal representing the temperature of the turbo compressor inlet. See Figure 17-29 and Figure 17-30 for installation. Figure 17-29...
  • Page 216 NOTE: DDC does not approve of the use of signal generator sensors. Figure 17-31 Vehicle Speed Sensor (Rev. ) All information subject to change without notice. 17-54 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 217 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE To obtain accurate vehicle mileage, the parameters listed in Table 17-29 must be programmed with VEPS, DRS, or DDDL 7.0. Parame- Parameter Range Default ter Group 0 = No Sensor 1 = C3 Sensor...
  • Page 218 The Vehicle Speed Sensor is wired to the 21–pin #3 connector of the CPC as listed in Table 17-31. CPC Connector/Pin Function 3/13 VSS (+) 3/14 VSS (-) Table 17-31 Vehicle Speed Sensor Wiring (Rev. ) All information subject to change without notice. 17-56 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 219 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE See Figure 17-32 for the installation of the Magnetic VSS. Figure 17-32 Magnetic Vehicle Speed Sensor Installation – CPC All information subject to change without notice. (Rev. ) 17-57 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 220 If the sensor appears to be working improperly, but the vehicle speed is not zero, VSS Anti-Tamper will log a VSS fault. (Rev. ) All information subject to change without notice. 17-58 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 221: Instrument Panel Lamps

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 17.8 INSTRUMENT PANEL LAMPS The instrument panel lamps are listed in Table 17-33. Lamp Lamp Name Description Driver Action Amber Warning Lamp Indicates a fault with the Truck can be driven to end (AWL) engine controls.
  • Page 222 17.8 INSTRUMENT PANEL LAMPS (Rev. ) All information subject to change without notice. 17-60 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 223: Spn 27 - Egr Valve Position Circuit Fault

    SPN 27 - EGR VALVE POSITION CIRCUIT FAULT Section Page 18.1 SPN 27/FMI 3 ................... 18-3 18.2 SPN 27/FMI 4 ................... 18-4 18.3 SPN 27/FMI 7 ..................18-7...
  • Page 224 (Rev. ) All information subject to change without notice. 18-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 225 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 226 [a] If yes, replace the EGR valve. Refer to section 18.2.1.1. [b] If no, repair the short to ground on circuit 65 of the 120–pin MCM connector. Refer to section 18.2.1.1. (Rev. ) All information subject to change without notice. 18-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 227 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 8. Monitor the active codes; unplug the Fuel Cutoff Valve (FCV). Does the code become inactive? [a] If yes, replace the FCV. Refer to section 18.2.1.1. [b] If no, go to step 9. 9. Unplug the EGR valve. Does the code become inactive? [a] If yes, replace the EGR valve.
  • Page 228 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 229 6. Disconnect the EGR valve connector. 7. Inspect the connector for bent, spread or corroded pins. [a] If damage is found, repair as necessary. [b] If no damage is found, contact the Detroit Diesel Customer Support Center at 313–592–5800. 18.3.1.1...
  • Page 230 18.3 SPN 27/FMI 7 (Rev. ) All information subject to change without notice. 18-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 231: Spn 51 - Intake Throttle Valve Above Or Below Normal

    SPN 51 - INTAKE THROTTLE VALVE ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 19.1 SPN 51/FMI 2, 3 OR 4 ................19-3...
  • Page 232 (Rev. ) All information subject to change without notice. 19-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 233 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 19.1 SPN 51/FMI 2, 3 OR 4 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 7. All information subject to change without notice.
  • Page 234 19.1 SPN 51/FMI 2, 3 OR 4 (Rev. ) All information subject to change without notice. 19-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 235: Spn 70 (Cpc) - J1939 Park Brake Switch Signal Erratic Or Missing

    SPN 70 (CPC) - J1939 PARK BRAKE SWITCH SIGNAL ERRATIC OR MISSING Section Page 20.1 SPN 70/FMI 13 ..................20-3 20.2 SPN 70/FMI 19 ..................20-3...
  • Page 236 (Rev. ) All information subject to change without notice. 20-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 237 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 20.1 SPN 70/FMI 13 This fault is typically the J1939 Park Brake Switch signal from Source #1 is missing. 20.1.1 Missing Signal from Source #1, #2, or #3 Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 238 20.2 SPN 70/FMI 19 (Rev. ) All information subject to change without notice. 20-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 239: Spn 84 (Cpc) - J1939 Wheel-Based Vehicle Speed Signal

    SPN 84 (CPC) - J1939 WHEEL-BASED VEHICLE SPEED SIGNAL ERRATIC OR MISSING Section Page 21.1 SPN 84/FMI 13 ..................21-3 21.2 SPN 84/FMI 19 ..................21-3...
  • Page 240 (Rev. ) All information subject to change without notice. 21-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 241: Spn 84/Fmi 2

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 21.1 SPN 84/FMI 13 This fault is typically the J1939 wheel-based vehicle speed signal from Source #1 is missing. 21.1.1 Missing Signal from Source #1, #2, or #3 Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 242 21.2 SPN 84/FMI 19 (Rev. ) All information subject to change without notice. 21-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 243: Spn 84/Fmi 4

    SPN 84 – VEHICLE SPEED SENSOR Section Page 22.1 SPN 84/FMI 2 ................... 22-3 22.2 SPN 84/FMI 3 ................... 22-3 22.3 SPN 84/FMI 4 ................... 22-4 22.4 SPN 84/FMI 6 ................... 22-4 22.5 SPN 84/FMI 8 ................... 22-5...
  • Page 244 (Rev. ) All information subject to change without notice. 22-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 245 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 246 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

  • Page 247: Spn 84/Fmi 8

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 22.5 SPN 84/FMI 8 Contact the Detroit Diesel Support Center at 313–592–5800. All information subject to change without notice. (Rev. ) 22-5 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 248 22.5 SPN 84/FMI 8 (Rev. ) All information subject to change without notice. 22-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 249: Spn 86 - Adaptive Cruise Control Fault

    SPN 86 – ADAPTIVE CRUISE CONTROL FAULT Section Page 23.1 SPN 86/FMI 14 ..................23-3...
  • Page 250 (Rev. ) All information subject to change without notice. 23-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 251 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 23.1 SPN 86/FMI 14 If Eaton® Smart Cruise® is installed on the vehicle the parameter for Adaptive Cruise Control must be enabled. This code appears if the parameter for Adaptive Cruise Control is enabled and the vehicle is not equipped with Eaton Smart Cruise.
  • Page 252 23.1 SPN 86/FMI 14 (Rev. ) All information subject to change without notice. 23-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 253: Spn 91 - Accelerator Pedal Sensor Fault

    SPN 91 – ACCELERATOR PEDAL SENSOR FAULT Section Page 24.1 SPN 91/FMI 2 ................... 24-3 24.2 SPN 91/FMI 3 ................... 24-4 24.3 SPN 91/FMI 4 ................... 24-6...
  • Page 254 (Rev. ) All information subject to change without notice. 24-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 255 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 24.1 SPN 91/FMI 2 A typical diagnosis for the fault is erratic data. 24.1.1 Erratic Data Check Check as follows: 1. Disconnect the Accelerator Pedal (AP). 2. Turn the ignition ON (key ON, engine OFF).
  • Page 256 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 257 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [b] If the voltage is less than 4.5, repair the open circuit between pin 1 of the AP harness connector and pin 8 of the CPC #1 connector. See Figure 24-2. Refer to section 24.2.1.1.
  • Page 258 24.3 SPN 91/FMI 4 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800. 24.3 SPN 91/FMI 4 The typical diagnosis for this fault is circuit failed low.
  • Page 259 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 260 24.3 SPN 91/FMI 4 (Rev. ) All information subject to change without notice. 24-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 261: Spn 94 - Fuel Compensation Pressure Sensor Circuit

    SPN 94 – FUEL COMPENSATION PRESSURE SENSOR CIRCUIT FAULT Section Page 25.1 SPN 94/FMI 3 OR 4 ................. 25-3...
  • Page 262 (Rev. ) All information subject to change without notice. 25-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 263 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 25.1 SPN 94/FMI 3 OR 4 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 8. All information subject to change without notice. (Rev. )
  • Page 264 25.1 SPN 94/FMI 3 OR 4 (Rev. ) All information subject to change without notice. 25-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 265: Spn 100 - Engine Oil Pressure Outside Normal Operating

    SPN 100 — ENGINE OIL PRESSURE OUTSIDE NORMAL OPERATING RANGE Section Page 26.1 SPN 100/FMI 1 ..................26-3 26.2 SPN 100/FMI 2 ..................26-5 26.3 SPN 100/FMI 3 ..................26-6 26.4 SPN 100/FMI 4 ..................26-8 26.5 SPN 100/FMI 18 ..................26-9...
  • Page 266 (Rev. ) All information subject to change without notice. 26-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 267 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 26.1 SPN 100/FMI 1 SPN 100/FMI 1 is typically low engine oil pressure. The following procedures will troubleshoot SPN 100. 26.1.1 Low Oil Pressure Check Perform the following steps to troubleshoot a low oil pressure fault code: 1.
  • Page 268 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 269 [b] If code 100/2 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 100/2 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 270 9. Turn the ignition ON (key ON, engine OFF). 10. Measure the voltage between pin 3 of the combination sensor and ground. (Rev. ) All information subject to change without notice. 26-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 271 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 272 [a] If the resistance is greater than 5 Ω, repair the open between pin 4 of the sensor and pin 54 of the MCM 120–pin connector. See Figure 26-2. Refer to section 26.4.2.1. (Rev. ) All information subject to change without notice. 26-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 273 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 274 [a] If oil is above maximum level with no oil previously added, go to step 7. [b] If oil is not above maximum level, contact Detroit Diesel Customer Support Center (313–592–5800). 7. Check for possible fuel in oil.

  • Page 275: Spn 103/Fmi 0

    SPN 103 – TURBO NO REVOLUTION Section Page 27.1 SPN 103/FMI 0 ..................27-3 27.2 SPN 103/FMI 1 ..................27-4 27.3 SPN 103/FMI 3 ..................27-5 27.4 SPN 103/FMI 4 ..................27-7 27.5 SPN 103/FMI 7 ..................27-9...
  • Page 276 (Rev. ) All information subject to change without notice. 27-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 277 [a] If the fuel pressure is not within specifications, repair the fuel system as necessary. When the repairs are done, refer to section 27.1.1.1. [b] If the fuel pressure is within specifications, contact the Detroit Diesel Customer Support Center (313–592–5800).
  • Page 278 [a] If the fuel pressure is not within specifications, repair the lubrication system as necessary. When the repairs are done, refer to section 27.2.1.1. [b] If the oil pressure is within specifications, contact the Detroit Diesel Customer Support Center (313–592–5800).
  • Page 279 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 280 7. Turn the ignition switch to the ON position. 8. Measure the voltage between pins 1 and 2 of the TSS harness connector. (Rev. ) All information subject to change without notice. 27-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 281 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [a] If the voltage is between 4.5 and 5.5 volts, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM. [b] If the voltage is less than 4.5 volts, refer to section 27.3.1, step 5.
  • Page 282 [a] If the resistance is less than 5 Ω, repair the short between pin 2 of the TSS harness connector and ground. Refer to section 27.4.2.1. [b] If the resistance is greater than 5 Ω, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 283 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 284 27.5 SPN 103/FMI 7 (Rev. ) All information subject to change without notice. 27-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 285: Spn 110 - Coolant Temperature Above Or Below Normal

    SPN 110 — COOLANT TEMPERATURE ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 28.1 SPN 110/FMI 0 ..................28-3 28.2 SPN 110/FMI 2 ..................28-4 28.3 SPN 110/FMI 3 ..................28-5 28.4 SPN 110/FMI 4 ..................28-7 28.5 SPN 110/FMI 14 ..................28-9...
  • Page 286 (Rev. ) All information subject to change without notice. 28-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 287 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 288 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

  • Page 289: Spn 110/Fmi 3

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 28.3 SPN 110/FMI 3 SPN 110/FMI 3 indicates that the Engine Coolant Temperature Sensor (ECT Sensor) input to the MCM has exceeded 95% of the sensor supply voltage. The diagnostic condition is typically engine coolant temperature open circuit (110/3).
  • Page 290 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 291 [a] If resistance is greater than 5 Ω, repeat steps 3 through 5. If the results are the same, call the Detroit Diesel Customer Support Center (313–592–5800). [b] If resistance is less than 5 Ω, repair the short circuit between pin 2 of the ECT Sensor harness connector and ground.
  • Page 292 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 293 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 294 28.5 SPN 110/FMI 14 (Rev. ) All information subject to change without notice. 28-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 295: Spn 111 - Coolant Level Outside Normal Operating

    SPN 111 – COOLANT LEVEL OUTSIDE NORMAL OPERATING RANGE Section Page 29.1 SPN 111/FMI 1 ..................29-5 29.2 SPN 111/FMI 3 ..................29-7 29.3 SPN 111/FMI 4 ..................29-9...
  • Page 296 (Rev. ) All information subject to change without notice. 29-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 297 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE All information subject to change without notice. (Rev. ) 29-3 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 298 (Rev. ) All information subject to change without notice. 29-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 299 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 29.1 SPN 111/FMI 1 Perform the following steps to troubleshoot 111/1: 29.1.1 Coolant Level Check 1. Turn the ignition ON (key ON, engine OFF). 2. Check for multiple codes. [a] If other faults are active in addition to fault 111/1, troubleshoot the other faults first.

  • Page 300: Spn 111/Fmi

    4. Check for coolant in oil. 5. Check for loose or faulty radiator cap. 6. When these checks and subsequent repairs are finished, Refer to section 29.1.2.1. (Rev. ) All information subject to change without notice. 29-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 301 [a] If no codes display, the repairs are complete. [b] If code 111/1 displays, review these steps to find the error. If you cannot find the error, call the Detroit Diesel Customer Support Center (313–592–5800). [c] If any codes other than code 111/1 display, troubleshoot those codes.
  • Page 302 [a] If fault 111/3 is active, repair open circuit in ECL Sensor wire 3/11. Refer to section 29.2.1.1. [b] If fault 111/4 is active, repair open circuit in ECL Sensor wire 3/2. Refer to section 29.2.1.1. (Rev. ) All information subject to change without notice. 29-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 303 [a] If no codes display, the repairs are complete. [b] If code 111/3 displays, review these steps to find the error. If you cannot find the error, call the Detroit Diesel Customer Support Center (313–592–5800). [c] If any codes other than code 111/3 display, troubleshoot those codes.
  • Page 304 [a] If the resistance is less than 5 Ω, repair the short circuit between pin 1 of the ECL Sensor harness connector and ground. Refer to section 29.3.1.1. (Rev. ) All information subject to change without notice. 29-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 305 Sensor harness connector and ground. Refer to section 29.3.1.1. [b] If the resistance is greater than 5 Ω, review steps 29.3.1.1 through 6. If the results are the same, call the Detroit Diesel Customer Support Center (313–592–5800). 29.3.1.1 Verify Repairs Perform the following steps to test the repair: 1.
  • Page 306 29.3 SPN 111/FMI 4 (Rev. ) All information subject to change without notice. 29-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 307: Spn 158 - Battery Charging Fault

    SPN 158 — BATTERY CHARGING FAULT Section Page 30.1 SPN 158/FMI 0 ..................30-3 30.2 SPN 158/FMI 1 ..................30-4 30.3 SPN 158/FMI 2 ..................30-6...
  • Page 308 (Rev. ) All information subject to change without notice. 30-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 309 [b] If code 158/0 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 158/0 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 310 Refer to the OEM Vehicle Manual. [b] If the voltage is not less than 11.0 V, go to step 3. (Rev. ) All information subject to change without notice. 30-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 311 [b] If code 158/1 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 158/1 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 312 [e] If only fault code 158/2 is active, go to step 2. 2. Measure the difference in voltage inputs between the CPC and the MCM. See Figure 30-2. [a] If the voltage difference is less than 1.0 V, contact the Detroit Diesel Customer Support Center (313–592–5800).
  • Page 313 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [c] If the voltage difference is greater than 1.0 V with the MCM indicating the low voltage, go to step 4. Figure 30-2 Power Wiring 3. Replace or repair the bad contacts and/or voltage supply for pins 2/3 (ignition) and 2/2 (ground) of the CPC #2 connector.
  • Page 314 [b] If code 158/2 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 158/2 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 315: Spn 168 - Battery Voltage Outside Normal Operating

    SPN 168 – BATTERY VOLTAGE OUTSIDE NORMAL OPERATING RANGE Section Page 31.1 SPN 168/FMI 0 ..................31-3 31.2 SPN 168/FMI 1 ..................31-4...
  • Page 316 (Rev. ) All information subject to change without notice. 31-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 317 [b] If code 168/0 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 168/0 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 318 21/8, 21/9 and CPC 2/2). See Figure 31-1. [a] If resistance is greater than 0.5 Ω in any wire, repair or replace the wire and connector.Refer to section 31.2.2.1. (Rev. ) All information subject to change without notice. 31-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 319 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [b] If resistance is less than 0.5 Ω in all wires, go to step 2. Figure 31-1 Power Wiring 2. Measure the resistance of the individual wires in the power circuit (MCM 21/11, 21/12, 21/14, 21/15 and CPC 2/1) with the engine running and battery voltage greater than 12.5...
  • Page 320 [b] If code 168/1 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 168/1 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 321: Spn 174 - Supply Fuel Temperature Fault

    SPN 174 – SUPPLY FUEL TEMPERATURE FAULT Section Page 32.1 SPN 174/FMI 3 ..................32-3 32.2 SPN 174/FMI 4 ..................32-5...
  • Page 322 (Rev. ) All information subject to change without notice. 32-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 323 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 32.1 SPN 174/FMI 3 SPN 174/FMI 3 indicates an Supply Fuel Temperature Sensor (SFT Sensor) open circuit. 32.1.1 Open Circuit Check Check for an open circuit fault as follows: 1. Check for multiple codes.
  • Page 324 3. Start and run the engine for eight minutes. Stop engine. 4. Check diagnostic tool for codes. [a] If no codes are logged, no further troubleshooting is required. (Rev. ) All information subject to change without notice. 32-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 325 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [b] If code 174/3 and any other codes are logged, review this section from the first step to find the error. If not error is found, call the Detroit Diesel Customer Support Center (313–592–5800).
  • Page 326 [a] If no codes are logged, no further troubleshooting is required. [b] If code 174/4 and any other codes are logged, review this section from the first step to find the error. If not error is found, call the Detroit Diesel Customer Support Center (313–592–5800).

  • Page 327: Spn 175 - Engine Oil Temperature Outside Normal Range

    SPN 175 – ENGINE OIL TEMPERATURE OUTSIDE NORMAL RANGE Section Page 33.1 SPN 175/FMI 2 ..................33-3 33.2 SPN 175/FMI 3 ..................33-5 33.3 SPN 175/FMI 4 ..................33-7...
  • Page 328 (Rev. ) All information subject to change without notice. 33-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 329 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 33.1 SPN 175/FMI 2 This diagnosis is typically engine oil temperature out of range (drifted low/high). NOTE: When diagnosing rationality erratic data faults (FMI 2) always refer to SILs or SIBs or any known issues first.
  • Page 330 5. With the engine running at idle, when the fuel consumed is greater than 0.X gallons is the oil temperature greater than 140°? [a] If yes, contact the Detroit Diesel Customer Support Center (313–592–5800). [b] If no, disconnect the Engine Oil Pressure/Temp Sensor and the 120–pin MCM connector.
  • Page 331 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [a] If no codes are logged, troubleshooting is complete. [b] If other codes are logged, review this section to find the error. If no error is found, contact Detroit Diesel Customer Support Center (313–592–5800).
  • Page 332 2. Turn the ignition ON. Clear the codes. 3. Start and run the engine for eight minutes. Stop the engine. 4. Check for codes. (Rev. ) All information subject to change without notice. 33-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 333 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [a] If no codes are logged, troubleshooting is complete. [b] If other codes are logged, review this section to find the error. If no error is found, contact Detroit Diesel Customer Support Center (313–592–5800).
  • Page 334 [a] If no codes are logged, troubleshooting is complete. [b] If other codes are logged, review this section to find the error. If no error is found, contact Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 335: Spn 190 - Engine Speed High

    SPN 190 - ENGINE SPEED HIGH Section Page 34.1 SPN 190/FMI 2 ..................34-3...
  • Page 336 (Rev. ) All information subject to change without notice. 34-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 337 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 34.1 SPN 190/FMI 2 This is an information code only. SPN 190/FMI 2 is active when the MCM detects an engine speed greater than 2,500 rpm for a specific amount of time. The driver should be questioned about vehicle driving conditions.
  • Page 338 34.1 SPN 190/FMI 2 (Rev. ) All information subject to change without notice. 34-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 339: Spn 191 (Cpc) - J1939 Etc1 Message Missing And

    SPN 191 (CPC) - J1939 ETC1 MESSAGE MISSING AND TRANSMISSION OUTPUT SHAFT SPEED SIGNAL ERRATIC OR MISSING Section Page 35.1 SPN 191/FMI 9 ..................35-3 35.2 SPN 191/FMI 13 ..................35-3 35.3 SPN 191/FMI 19 ..................35-4...
  • Page 340 (Rev. ) All information subject to change without notice. 35-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 341 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 35.1 SPN 191/FMI 9 This fault is typically the J1939 ETC1 message is missing. 35.1.1 Missing ETC1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 342 [b] If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module. (Rev. ) All information subject to change without notice. 35-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 343: Spn 274 (Cpc) - Mcm Engine Hours Data Higher Or Lower

    SPN 274 (CPC) – MCM ENGINE HOURS DATA HIGHER OR LOWER THAN EXPECTED Section Page 36.1 SPN 274/FMI 0 ..................36-3 36.2 SPN 274/FMI 1 ..................36-3...
  • Page 344 (Rev. ) All information subject to change without notice. 36-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 345 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 36.1 SPN 274/FMI 0 MCM engine hours data higher than expected – This fault usually occurs after reprogramming the CPC or MCM. The internal clocks of the CPC or MCM do not match. After reprogramming either module, all fault codes must be cleared.
  • Page 346 36.2 SPN 274/FMI 1 (Rev. ) All information subject to change without notice. 36-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 347: Spn 411 - Egr Differential Pressure Or Delta P Sensor

    SPN 411 — EGR DIFFERENTIAL PRESSURE OR DELTA P SENSOR CIRCUIT OUTSIDE OF NORMAL OPERATING RANGE Section Page 37.1 SPN 411/FMI 0 ..................37-3 37.2 SPN 411/FMI 1 ..................37-5 37.3 SPN 411/FMI 3 ..................37-6 37.4 SPN 411/FMI 4 ..................37-7...
  • Page 348 (Rev. ) All information subject to change without notice. 37-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 349 [a] If yes, repeat all the steps in section 37.1.1 and steps 1 through 4 in this section. If the same results occur, contact the Detroit Diesel Customer Support Center (313–592–5800). [b] If no, go to step 5.
  • Page 350 [b] If code 411/0 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 411/0 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 351 [b] If code 411/1 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 411/1 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 352 [a] If no codes are present, troubleshooting is complete. [b] If code 411/3 is not logged but other codes are logged, troubleshoot the other codes. (Rev. ) All information subject to change without notice. 37-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 353 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [c] If code 411/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). 37.4 SPN 411/FMI 4 This diagnosis is typically EGR Delta P Sensor open circuit.
  • Page 354 [b] If the resistance is greater than 5 Ω, repair the open circuit between pin 3 of the EGR Delta P Sensor harness connector and pin 109 of the 120–pin MCM connector. Refer to section 37.4.1.1. (Rev. ) All information subject to change without notice. 37-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 355 [b] If code 411/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 411/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 356 37.4 SPN 411/FMI 4 (Rev. ) All information subject to change without notice. 37-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 357: Spn 523 (Cpc) - Transmission Current Gear Signal

    SPN 523 (CPC) - TRANSMISSION CURRENT GEAR SIGNAL ERRATIC OR MISSING Section Page 38.1 SPN 523/FMI 19 ..................38-3 38.2 SPN 523/FMI 13 ..................38-3...
  • Page 358 (Rev. ) All information subject to change without notice. 38-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 359 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 38.1 SPN 523/FMI 19 This fault is typically the transmission current gear signal is erratic. 38.1.1 Erratic Transmission Current Gear Signal Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 360 38.2 SPN 523/FMI 13 (Rev. ) All information subject to change without notice. 38-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 361: Spn 524 (Cpc) - J1939 Etc2 Message Is Missing

    SPN 524 (CPC) - J1939 ETC2 MESSAGE IS MISSING Section Page 39.1 SPN 523/FMI 9 ..................39-3...
  • Page 362 (Rev. ) All information subject to change without notice. 39-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 363 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 39.1 SPN 523/FMI 9 This fault is typically the J1939 ETC2 message is missing. 39.1.1 Missing J1939 ETC2 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 364 39.1 SPN 523/FMI 9 (Rev. ) All information subject to change without notice. 39-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 365: Spn 527 (Cpc) - J1939 Ccvs Message Missing

    SPN 527 (CPC) - J1939 CCVS MESSAGE MISSING Section Page 40.1 SPN 527/FMI 9 ..................40-3...
  • Page 366 (Rev. ) All information subject to change without notice. 40-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 367 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 40.1 SPN 527/FMI 9 This fault is typically the J1939 CCVS message from Source #1, #2, or #3 is missing. 40.1.1 Missing J1939 CCVS Message from Source #1, #2, or #3 Check Check as follows: 1.
  • Page 368 40.1 SPN 527/FMI 9 (Rev. ) All information subject to change without notice. 40-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 369: Spn 558 - Idle Validation Switch

    SPN 558 - IDLE VALIDATION SWITCH Section Page 41.1 SPN 558/FMI 1 ..................41-3 41.2 SPN 558/FMI 3 ..................41-3 41.3 SPN 558/FMI 4 ..................41-5...
  • Page 370 (Rev. ) All information subject to change without notice. 41-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 371 IVS #2 should be routed from Validation Switch pin 6 to pin 3 of the CPC #1 connector. □ 5. If wiring checks OK, contact the Detroit Diesel Customer Support Center (313–592–5800). 41.2 SPN 558/FMI 3 This diagnostic condition is typically an open circuit.
  • Page 372 [b] If code 558/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 558/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 373 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 41.3 SPN 558/FMI 4 This diagnostic condition is typically a short to ground. 41.3.1 Short to Ground Check Check for short to ground as follows: 1. Disconnect the Idle Validation Switch. See Figure 41-1.
  • Page 374 [b] If code 558/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 558/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 375: Spn 596 (Cpc) - Cruise Control Enable Switch Signal

    SPN 596 (CPC) - CRUISE CONTROL ENABLE SWITCH SIGNAL ERRATIC OR MISSING Section Page 42.1 SPN 596/FMI 13 ..................42-3 42.2 SPN 596/FMI 19 ..................42-3...
  • Page 376 (Rev. ) All information subject to change without notice. 42-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 377 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 42.1 SPN 596/FMI 13 This fault is typically the J1939 Cruise Control Enable Switch signal from Source #1, #2, or #3 is missing. 42.1.1 Missing Cruise Control Enable Switch Signal from Source #1, #2, or #3 Check Check as follows: 1.
  • Page 378 42.2 SPN 596/FMI 19 (Rev. ) All information subject to change without notice. 42-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 379: Spn 597 (Cpc) - Service Brake Switch Signal Erratic Or

    SPN 597 (CPC) - SERVICE BRAKE SWITCH SIGNAL ERRATIC OR MISSING Section Page 43.1 SPN 597/FMI 13 ..................43-3 43.2 SPN 597/FMI 19 ..................43-3...
  • Page 380 (Rev. ) All information subject to change without notice. 43-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 381 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 43.1 SPN 597/FMI 13 This fault is typically the J1939 Service Brake Switch signal from Source #1, #2, or #3 is missing. 43.1.1 Missing Service Brake Switch Signal from Source #1, #2, or #3...
  • Page 382 43.2 SPN 597/FMI 19 (Rev. ) All information subject to change without notice. 43-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 383: Spn 599 - Cruise Control Switches Not Functioning

    SPN 599 - CRUISE CONTROL SWITCHES NOT FUNCTIONING PROPERLY Section Page 44.1 SPN 599/FMI 4 ..................44-3...
  • Page 384 (Rev. ) All information subject to change without notice. 44-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 385 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 386 44.1 SPN 599/FMI 4 (Rev. ) All information subject to change without notice. 44-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 387: Spn 600 (Cpc) - Cruise Control Coast Switch Signal Erratic Or Missing

    SPN 600 (CPC) - CRUISE CONTROL COAST SWITCH SIGNAL ERRATIC OR MISSING Section Page 45.1 SPN 600/FMI 13 ..................45-3 45.2 SPN 600/FMI 19 ..................45-3...
  • Page 388 (Rev. ) All information subject to change without notice. 45-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 389 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 45.1 SPN 600/FMI 13 This fault is typically the J1939 Cruise Control Coast Switch signal from Source #1, #2, or #3 is missing. 45.1.1 Missing Cruise Control Coast Switch Signal from Source #1, #2,...
  • Page 390 45.2 SPN 600/FMI 19 (Rev. ) All information subject to change without notice. 45-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 391: Spn 602 (Cpc) - Cruise Control Accelerate Switch Signal

    SPN 602 (CPC) - CRUISE CONTROL ACCELERATE SWITCH SIGNAL ERRATIC OR MISSING Section Page 46.1 SPN 602/FMI 13 ..................46-3 46.2 SPN 602/FMI 19 ..................46-3...
  • Page 392 (Rev. ) All information subject to change without notice. 46-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 393 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 46.1 SPN 602/FMI 13 This fault is typically the J1939 Cruise Control Accelerate Switch signal from Source #1, #2, or #3 is missing. 46.1.1 Missing Cruise Control Accelerate Switch Signal from Source #1, #2, or #3 Check Check as follows: 1.
  • Page 394 46.2 SPN 602/FMI 19 (Rev. ) All information subject to change without notice. 46-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 395: Spn 609 - Mcm Fault (Erroneous Data)

    SPN 609 - MCM FAULT (ERRONEOUS DATA) Section Page 47.1 SPN 609/FMI 12 ..................47-3 47.2 SPN 609/FMI 14 ..................47-4...
  • Page 396 (Rev. ) All information subject to change without notice. 47-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 397 2. Check the MCM parameters to ensure they are correct for the vehicle configuration. [a] If parameters are not correct, reset parameters on the MCM. [b] If parameters are correct, contact Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM. Set parameters on the new MCM.
  • Page 398 1. Check to ensure the MCM is correct for the engine. [a] If MCM is correct for the engine, go to step 2. [b] If MCM is not correct for the engine, contact Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM. Set parameters on the new MCM.

  • Page 399: Spn 615 - Intake Air Delta Pressure Outside Of Normal

    SPN 615 - INTAKE AIR DELTA PRESSURE OUTSIDE OF NORMAL OPERATING RANGE Section Page 48.1 SPN 615/FMI 3 ..................48-3 48.2 SPN 615/FMI 4 ..................48-5...
  • Page 400 (Rev. ) All information subject to change without notice. 48-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 401 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 48.1 SPN 615/FMI 3 This diagnosis is typically an open circuit. 48.1.1 Open Circuit Check Check as follows: 1. Check for multiple codes. [a] If 51/3 and 615/3 are present, repair the open between pin 103 of the 120–pin MCM connector and pin 2 of the Intake Air Delta P Sensor and the Intake Throttle Valve.
  • Page 402 [a] If the resistance is greater than 3 Ω, repair the open between pin 3 of the Intake Air Delta P Sensor harness connector and pin 109 of the 120–pin MCM connector. Refer to section 48.1.1.1. (Rev. ) All information subject to change without notice. 48-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 403 [b] If code 615/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 615/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). 48.2 SPN 615/FMI 4 This diagnosis is typically a short to ground.
  • Page 404 Air Delta P Sensor harness connector and ground. Refer to section 48.2.1.1. [b] If the resistance is greater than 3Ω, repeat steps 3 through 6. If the results are the same, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 405 [b] If code 615/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 615/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 406 48.2 SPN 615/FMI 4 (Rev. ) All information subject to change without notice. 48-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 407: Spn 615 (Cpc) - J1939 Dm1 Message From Transmission

    SPN 615 (CPC) - J1939 DM1 MESSAGE FROM TRANSMISSION MISSING Section Page 49.1 SPN 615/FMI 9 ..................49-3...
  • Page 408 (Rev. ) All information subject to change without notice. 49-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 409 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 49.1 SPN 615/FMI 9 This fault is typically the J1939 DM1 message from the transmission is missing. 49.1.1 Missing J1939 DM1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 410 49.1 SPN 615/FMI 9 (Rev. ) All information subject to change without notice. 49-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 411: Spn 625 - Can Fault

    SPN 625 - CAN FAULT Section Page 50.1 SPN 625/FMI 2 ..................50-3 50.2 SPN 625/FMI 4 ..................50-5...
  • Page 412 (Rev. ) All information subject to change without notice. 50-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 413 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 50.1 SPN 625/FMI 2 This fault is typically erratic data or the CAN propriety data link has failed due to no communication between the MCM and the CPC. NOTE: The following diagnostics pertain to faults received from the MCM and /or the CPC.
  • Page 414 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 415 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 50.2 SPN 625/FMI 4 This fault indicates that the CAN propriety data link to the CPC has shorted. NOTE: The following diagnostic pertains to a fault reported from the CPC. 50.2.1 Check for Short Circuit Check as follows: 1.
  • Page 416 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

  • Page 417: Spn 628 (Cpc) - Multiple Faults

    SPN 628 (CPC) - MULTIPLE FAULTS Section Page 51.1 SPN 628/FMI 13 (ALL FAULT DESCRIPTIONS) ........51-3 51.2 SPN 628/FMI 14 ..................51-3...
  • Page 418 (Rev. ) All information subject to change without notice. 51-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 419: Spn 628/Fmi 13 (All Fault Descriptions)

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 51.1 SPN 628/FMI 13 (ALL FAULT DESCRIPTIONS) There are multiple fault descriptions for SPN 628/FMI 13. The troubleshooting solution is the same for any and all fault descriptions: reprogram the CPC with the latest software release.
  • Page 420 51.2 SPN 628/FMI 14 (Rev. ) All information subject to change without notice. 51-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 421: Spn 629 (Cpc) - Multiple Faults

    SPN 629 (CPC) - MULTIPLE FAULTS Section Page 52.1 SPN 629/FMI 2 ..................52-3 52.2 SPN 629/FMI 12 ..................52-4...
  • Page 422 (Rev. ) All information subject to change without notice. 52-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 423: Spn 629/Fmi

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 52.1 SPN 629/FMI 2 There are multiple fault descriptions for SPN 629/FMI 2. The troubleshooting solution is the same for any and all fault descriptions: Replace the CPC and reprogram with the latest software release.
  • Page 424 There are multiple fault descriptions for SPN 629/FMI 12. The troubleshooting solution is the same for any and all fault descriptions: Replace the CPC and reprogram with the latest software release. (Rev. ) All information subject to change without notice. 52-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 425: Spn 630 (Cpc) - Multiple Faults

    SPN 630 (CPC) - MULTIPLE FAULTS Section Page 53.1 SPN 630/FMI 14 ..................53-3...
  • Page 426 (Rev. ) All information subject to change without notice. 53-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 427 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 53.1 SPN 630/FMI 14 There are multiple fault descriptions for SPN 630/FMI 14. They are listed with the troubleshooting solution: □ CPC failed to download MCM static fault data. Reprogram the CPC with the latest software release.
  • Page 428 53.1 SPN 630/FMI 14 (Rev. ) All information subject to change without notice. 53-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 429: Spn 636 - Crankshaft Position Sensor Outside Of

    SPN 636 — CRANKSHAFT POSITION SENSOR OUTSIDE OF NORMAL OPERATING CONDITIONS Section Page 54.1 SPN 636/FMI 1 ..................54-3 54.2 SPN 636/FMI 3 ..................54-5 54.3 SPN 636/FMI 4 ..................54-7 54.4 SPN 636/FMI 7 ..................54-9 54.5 SPN 636/FMI 8 ..................54-10...
  • Page 430 (Rev. ) All information subject to change without notice. 54-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 431 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 54.1 SPN 636/FMI 1 The diagnostic condition is typically CKP Sensor Signal Voltage Too Low. 54.1.1 Low Signal Voltage Check Check low signal voltage as follows: 1. If fault occurs only when cranking the engine (and engine will not start), check that the CKP and Camshaft Position (CMP) sensors are correctly wired to the MCM.
  • Page 432 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 433 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 54.2 SPN 636/FMI 3 The diagnostic condition is typically CKP Sensor has an open circuit. 54.2.1 Open Circuit Check Check for a CKP Sensor open circuit as follows: 1. Disconnect the CKP Sensor. 2. Measure the resistance across pins 1 and 2 of the CKP Sensor. See Figure 54-2.
  • Page 434 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 435 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 54.3 SPN 636/FMI 4 This diagnostic condition is typically the CKP Sensor shorted to ground. 54.3.1 Short to Ground Check Troubleshoot a CKP Sensor short to ground fault as follows: 1. Disconnect the CKP Sensor.
  • Page 436 120–pin MCM connector. [a] If the resistance is greater than 5 Ω, reconnect the 120–pin MCM connector and review steps 2 through 7. If the results are the same, call the Detroit Diesel Customer Support Center (313–592–5800). [b] If the resistance is less than 5 Ω, repair the short to ground between pin 2 of the CKP Sensor harness connector and pin 43 of the 120–pin MCM connector.
  • Page 437 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 438 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 439 [a] If axial play is not within specifications, repair or replace crankshaft thrust bearings, as required. Refer to section 54.5.2.1. [b] If axial play is within specifications, contact the Detroit Diesel Customer Support Center (313-592-5800). All information subject to change without notice.
  • Page 440 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

  • Page 441: Spn 651 - Injector #1 Not Operating Normally

    SPN 651 – INJECTOR #1 NOT OPERATING NORMALLY Section Page 55.1 SPN 651/FMI 5 ..................55-3 55.2 SPN 651/FMI 10 ..................55-5...
  • Page 442 (Rev. ) All information subject to change without notice. 55-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 443 [a] If fault code 168/0 is active in addition to 651/5, service 168/0 first. Refer to section 31.1. [b] If fault 652/5 and 653/5 are active in addition to 651/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 444 [b] If code 651/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 651/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 445 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 55.2 SPN 651/FMI 10 This diagnostic condition is typically a short to ground. 55.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Remove the valve cover.
  • Page 446 [b] If code 651/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 651/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 447: Spn 652 - Injector #2 Not Operating Normally

    SPN 652 – INJECTOR #2 NOT OPERATING NORMALLY Section Page 56.1 SPN 652/FMI 5 ..................56-3 56.2 SPN 652/FMI 10 ..................56-5...
  • Page 448 (Rev. ) All information subject to change without notice. 56-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 449 [a] If fault code 168/0 is active in addition to 652/5, service 168/0 first. Refer to section 31.1. [b] If fault 651/5 and 653/5 are active in addition to 652/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 450 [b] If code 652/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 652/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 451 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 56.2 SPN 652/FMI 10 This diagnostic condition is typically a short to ground. 56.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Remove the valve cover.
  • Page 452 [b] If code 652/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 652/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 453: Spn 653 - Injector #3 Not Operating Normally

    SPN 653 – INJECTOR #3 NOT OPERATING NORMALLY Section Page 57.1 TROUBLESHOOTING SPN 653/FMI 5 ........... 57-3 57.2 TROUBLESHOOTING SPN 653/FMI 10 ..........57-5...
  • Page 454 (Rev. ) All information subject to change without notice. 57-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 455 [a] If fault code 168/0 is active in addition to 653/5, service 168/0 first. Refer to section 31.1. [b] If fault 652/5 and 651/5 are active in addition to 653/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 456 [b] If code 653/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 653/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 457 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 57.2 TROUBLESHOOTING SPN 653/FMI 10 This diagnostic condition is typically a short to ground. 57.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Remove the valve cover.
  • Page 458 [b] If code 653/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 653/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 459: Spn 654 - Injector #4 Not Operating Normally

    SPN 654 – INJECTOR #4 NOT OPERATING NORMALLY Section Page 58.1 TROUBLESHOOTING SPN 654/FMI 5 ........... 58-3 58.2 TROUBLESHOOTING SPN 654/FMI 10 ..........58-5...
  • Page 460 (Rev. ) All information subject to change without notice. 58-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 461 [a] If fault code 168/0 is active in addition to 654/5, service 168/0 first. Refer to section 31.1. [b] If fault 655/5 and 656/5 are active in addition to 654/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 462 [b] If code 654/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 654/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 463 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 58.2 TROUBLESHOOTING SPN 654/FMI 10 This diagnostic condition is typically a short to ground. 58.2.1 Check for Short to Ground Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector.
  • Page 464 [b] If code 654/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 654/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 465: Spn 655 - Injector #5 Not Operating Normally

    SPN 655 – INJECTOR #5 NOT OPERATING NORMALLY Section Page 59.1 SPN 655/FMI 5 ..................59-3 59.2 SPN 655/FMI 10 ..................59-5...
  • Page 466 (Rev. ) All information subject to change without notice. 59-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 467 [a] If fault code 168/0 is active in addition to 655/5, service 168/0 first. Refer to section 31.1. [b] If fault 654/5 and 656/5 are active in addition to 655/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 468 [b] If code 655/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 655/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 469 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 59.2 SPN 655/FMI 10 This diagnostic condition is typically a short to ground. 59.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Remove the valve cover.
  • Page 470 [b] If code 655/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 655/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 471: Spn 656 - Injector #6 Not Operating Normally

    SPN 656 – INJECTOR #6 NOT OPERATING NORMALLY Section Page 60.1 SPN 656/FMI 5 ..................60-3 60.2 SPN 656/FMI 10 ..................60-5...
  • Page 472 (Rev. ) All information subject to change without notice. 60-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 473 [a] If fault code 168/0 is active in addition to 656/5, service 168/0 first. Refer to section 31.1. [b] If fault 654/5 and 655/5 are active in addition to 656/5, call the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 474 [b] If code 656/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 656/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 475 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 60.2 SPN 656/FMI 10 This diagnostic condition is typically a short to ground. 60.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Remove the valve cover.
  • Page 476 [b] If code 656/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 656/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 477: Spn 701/Fmi 3

    SPN 701 - CONSTANT THROTTLE VALVE (AUX PWM #7) NOT OPERATING NORMALLY Section Page 61.1 SPN 701/FMI 3 ..................61-3 61.2 SPN 701/FMI 4 ..................61-4 61.3 SPN 701/FMI 5 ..................61-6...
  • Page 478 (Rev. ) All information subject to change without notice. 61-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 479 [a] If the resistance is greater than 5Ω, repeat steps 2 through 6. If the results are the same, contact the Detroit Diesel Customer Support Center (313–592–5800). [b] If the resistance is less than 5Ω, repair the short between pins 1 and 2 of the Constant Throttle Valve and pins 32 and 64 of the 120–pin MCM connector.
  • Page 480 [b] If code 701/3 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 701/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). 61.2 SPN 701/FMI 4 This diagnosis is typically a short to ground.
  • Page 481 [b] If code 701/4 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 701/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 482 [b] If the voltage is less than 11 volts, repair the open in the wire between pin 64 of the 120–pin MCM connector and pin 2 of the Constant Throttle Valve connector. See Figure 61-3. Refer to section 61.3.1.1. (Rev. ) All information subject to change without notice. 61-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 483 [b] If code 701/5 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 701/5 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 484 61.3 SPN 701/FMI 5 (Rev. ) All information subject to change without notice. 61-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 485: Spn 703 (Cpc) - Asg2 Backup Lamp

    SPN 703 (CPC) - ASG2 BACKUP LAMP Section Page 62.1 SPN 703/FMI 3 ..................62-3 62.2 SPN 703/FMI 4 ..................62-3...
  • Page 486 (Rev. ) All information subject to change without notice. 62-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 487 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 62.1 SPN 703/FMI 3 ASG2 backup lamp - indicates a short to power/open circuit on pin 9 of the CPC #3 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 488 62.2 SPN 703/FMI 4 (Rev. ) All information subject to change without notice. 62-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 489: Spn 704 (Cpc) - High Exhaust System Temperature Lamp

    SPN 704 (CPC) - HIGH EXHAUST SYSTEM TEMPERATURE LAMP Section Page 63.1 SPN 704/FMI 3 ..................63-3 63.2 SPN 704/FMI 4 ..................63-3...
  • Page 490 (Rev. ) All information subject to change without notice. 63-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 491 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 63.1 SPN 704/FMI 3 High Exhaust System Temperature Lamp - indicates a short to power/open circuit on pin 7 of the CPC #4 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 492 63.2 SPN 704/FMI 4 (Rev. ) All information subject to change without notice. 63-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 493: Spn 705 (Cpc) - Malfunction Indicator Lamp

    SPN 705 (CPC) - MALFUNCTION INDICATOR LAMP Section Page 64.1 SPN 705/FMI 3 ..................64-3 64.2 SPN 705/FMI 4 ..................64-3...
  • Page 494 (Rev. ) All information subject to change without notice. 64-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 495 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 64.1 SPN 705/FMI 3 Malfunction Indicator Lamp (MIL)- indicates a short to power/open circuit on pin 13of the CPC #1 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 496 64.2 SPN 705/FMI 4 (Rev. ) All information subject to change without notice. 64-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 497: Spn 706 (Cpc) - Asg2 Check Trans Temp Lamp

    SPN 706 (CPC) - ASG2 CHECK TRANS TEMP LAMP...
  • Page 498 (Rev. ) All information subject to change without notice. 65-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 499 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 65.1 SPN 706/FMI 3 ASG2 Check Trans Temp Lamp - indicates a short to power/open circuit on pin 10 of the CPC #3 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 500 65.2 SPN 706/FMI 4 (Rev. ) All information subject to change without notice. 65-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 501: Spn 706/Fmi 3

    SPN 706 - ELECTRONIC PROPORTIONING VALVE CONTROL #2 NOT OPERATING NORMALLY Section Page 66.1 SPN 706/FMI 3 ..................66-3 66.2 SPN 706/FMI 4 ..................66-5 66.3 SPN 706/FMI 5 ..................66-7...
  • Page 502 (Rev. ) All information subject to change without notice. 66-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 503 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 66.1 SPN 706/FMI 3 This diagnosis is typically a short to power. 66.1.1 Short to Power Check Check as follows: 1. Disconnect the Electronic Proportioning Valve #2 (EPV2) connector. 2. Turn the ignition ON (key ON, engine OFF).
  • Page 504 [b] If code 706/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 706/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 505 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 66.2 SPN 706/FMI 4 This diagnosis is typically a short to ground. 66.2.1 Short to Ground Check Check as follows: 1. Check for multiple codes. [a] If 704/4 is active with 706/4, repair the short to ground between pin 93 of the 120–pin MCM connector and pin 2 of the EPV2 connector and pin 4 of the wastegate...
  • Page 506 [b] If code 706/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 706/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 507 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 66.3 SPN 706/FMI 5 This diagnosis is typically an open circuit. 66.3.1 Open Circuit Check Check as follows: 1. Disconnect the EPV2 connector. 2. Turn the ignition ON (key ON, engine OFF). 3. Measure the voltage between pins 1 and 2 of the EPV2 connector.
  • Page 508 [b] If code 706/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 706/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 509: Spn 707 (Cpc) - Amber Warning Lamp

    SPN 707 (CPC) - AMBER WARNING LAMP Section Page 67.1 SPN 707/FMI 3 ..................67-3 67.2 SPN 707/FMI 4 ..................67-3...
  • Page 510 (Rev. ) All information subject to change without notice. 67-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 511 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 67.1 SPN 707/FMI 3 Amber Warning Lamp (AWL)- indicates a short to power/open circuit on pin 10 of the CPC #2 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 512 67.2 SPN 707/FMI 4 (Rev. ) All information subject to change without notice. 67-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 513: Spn 708 (Cpc) - Asg2 Check Trans Lamp

    SPN 708 (CPC) - ASG2 CHECK TRANS LAMP Section Page 68.1 SPN 708/FMI 3 ..................68-3 68.2 SPN 708/FMI 4 ..................68-3...
  • Page 514 (Rev. ) All information subject to change without notice. 68-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 515 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 68.1 SPN 708/FMI 3 ASG2 Check Trans Lamp - indicates a short to power/open circuit on pin 12 of the CPC #3 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 516 68.2 SPN 708/FMI 4 (Rev. ) All information subject to change without notice. 68-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 517: Spn 709 - Single-Speed Fan (Low-Side Digital Output #3)

    SPN 709 - SINGLE-SPEED FAN (LOW-SIDE DIGITAL OUTPUT #3) FAULT Section Page 69.1 SPN 709/FMI 3 ..................69-3 69.2 SPN 709/FMI 4 ..................69-5 69.3 SPN 709/FMI 5 ..................69-6...
  • Page 518 (Rev. ) All information subject to change without notice. 69-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 519 98 of the 120–pin MCM connector. Refer to section 69.1.2.1. [b] Of the voltage is less than 11.5 volts, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 520 [b] If code 709/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 709/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 521 [b] If code 709/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 709/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 522 [b] If code 709/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 709/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 523: Spn 710 - Electronic Proportioning Valve

    SPN 710 - ELECTRONIC PROPORTIONING VALVE 1 (ENTRY SHUTOFF FLAP) NOT OPERATING NORMALLY Section Page 70.1 SPN 710/FMI 3 ..................70-3 70.2 SPN 710/FMI 4 ..................70-4 70.3 SPN 710/FMI 5 ..................70-6...
  • Page 524 (Rev. ) All information subject to change without notice. 70-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 525 Flap. [a] If the resistance is greater than 5Ω, reconnect the 120–pin MCM connector and repeat steps 2 through 6. If the results are the same, contact the Detroit Diesel Customer Support Center (313–592–5800). [b] If the resistance is less than 5Ω, repair the short between pins 1 and 2 of the EPV1 connector for the Entry Shutoff Flap and pins 91 and 96 of the 120–pin MCM...
  • Page 526 [b] If code 710/3 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 710/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). 70.2 SPN 710/FMI 4 This diagnosis is typically a short to ground.
  • Page 527 [b] If code 710/4 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 710/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 528 [a] If the voltage is between 11.5 and 12.5, check the resistance again and then verify the results. Refer to section 70.3.1.1. [b] the EPV1 connector for the Entry Shutoff Fla go to step 6. (Rev. ) All information subject to change without notice. 70-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 529 [b] If code 710/5 is not logged and other codes are logged, troubleshoot the logged codes. [c] If code 710/5 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 530 70.3 SPN 710/FMI 5 (Rev. ) All information subject to change without notice. 70-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 531: Spn 711 (Cpc) - Dpf Regen Lamp

    SPN 711 (CPC) - DPF REGEN LAMP Section Page 71.1 SPN 711/FMI 3 ..................71-3 71.2 SPN 711/FMI 4 ..................71-3...
  • Page 532 (Rev. ) All information subject to change without notice. 71-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 533 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 71.1 SPN 711/FMI 3 DPF Regen Lamp - indicates a short to power/open circuit on pin 5 of the CPC #1 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 534 71.2 SPN 711/FMI 4 (Rev. ) All information subject to change without notice. 71-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 535: Spn 713 (Cpc) - Top2 Lockout Solenoid

    SPN 713 (CPC) - TOP2 LOCKOUT SOLENOID Section Page 72.1 SPN 713/FMI 3 ..................72-3 72.2 SPN 713/FMI 4 ..................72-3 72.3 SPN 713/FMI 5 ..................72-3 72.4 SPN 713/FMI 7 ..................72-3...
  • Page 536 (Rev. ) All information subject to change without notice. 72-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 537: Spn 713/Fmi

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 72.1 SPN 713/FMI 3 TOP2 Lockout Solenoid - indicates a short to power on the pin 7 circuit of the CPC #3 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 538 72.4 SPN 713/FMI 7 (Rev. ) All information subject to change without notice. 72-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 539: Spn 714 (Cpc) - Top2 Shift Solenoid

    SPN 714 (CPC) - TOP2 SHIFT SOLENOID Section Page 73.1 SPN 714/FMI 3 ..................73-3 73.2 SPN 714/FMI 4 ..................73-3 73.3 SPN 714/FMI 5 ..................73-3...
  • Page 540 (Rev. ) All information subject to change without notice. 73-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 541 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 73.1 SPN 714/FMI 3 TOP2 Shift Solenoid - indicates a short to power on the pin 8 circuit CPC #3 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 542 73.3 SPN 714/FMI 5 (Rev. ) All information subject to change without notice. 73-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 543: Spn 715 (Cpc) - Vehicle Power Shutdown

    SPN 715 (CPC) - VEHICLE POWER SHUTDOWN Section Page 74.1 SPN 715/FMI 3 ..................74-3 74.2 SPN 715/FMI 4 ..................74-3 74.3 SPN 715/FMI 5 ..................74-3...
  • Page 544 (Rev. ) All information subject to change without notice. 74-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 545 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 74.1 SPN 715/FMI 3 Vehicle Power Shutdown - indicates a short to power on the pin 10 circuit of the CPC #4 connector. For wiring schematic information refer to OEM literature. NOTE: The CPC digital outputs have the same SPN as some MCM faults. DDDL 7.0 makes the distinction between the MCM and CPC when diagnosing a fault.
  • Page 546 74.3 SPN 715/FMI 5 (Rev. ) All information subject to change without notice. 74-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 547: Spn 729 - Grid Heater Not Operating Normally

    SPN 729 - GRID HEATER NOT OPERATING NORMALLY Section Page 75.1 SPN 729/FMI 3 ..................75-3 75.2 SPN 729/FMI 4 ..................75-5...
  • Page 548 (Rev. ) All information subject to change without notice. 75-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 549 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 75.1 SPN 729/FMI 3 This diagnosis is typically a short to power/open. 75.1.1 Short to Power/Open Check Check as follows: 1. Disconnect the Grid Heater connector. 2. Turn the ignition ON (key ON, engine OFF).
  • Page 550 [b] If code 729/3 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 729/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 551 [b] If code 729/4 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 729/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 552 75.2 SPN 729/FMI 4 (Rev. ) All information subject to change without notice. 75-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 553: Spn 723 - Camshaft Position Sensor Fault

    SPN 723 — CAMSHAFT POSITION SENSOR FAULT Section Page 76.1 SPN 723/FMI 3 ..................76-3 76.2 SPN 723/FMI 4 ..................76-5 76.3 SPN 723/FMI 8 ..................76-6 76.4 SPN 723/FMI 14 ..................76-7...
  • Page 554 (Rev. ) All information subject to change without notice. 76-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 555 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 76.1 SPN 723/FMI 3 The diagnostic condition is typically an open circuit. 76.1.1 Open Circuit Check Perform the following steps to troubleshoot an open circuit. Figure 76-1 MCM — Camshaft Position Sensor Schematic 1. Disconnect CMP Sensor 2.
  • Page 556 [c] If code 723/3 and any other codes are logged and the CMP was replaced, review this section to find the error or contact Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 557 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 76.2 SPN 723/FMI 4 A typical diagnosis is a short to ground. 76.2.1 Short to Ground Check Perform the following step to troubleshoot a short to ground. 1. Disconnect the CMP Sensor. 2. Measure the resistance between pin 1 of the CMP Sensor and ground. See Figure 76-2.
  • Page 558 [a] If the resistance is greater than 5 Ω, review steps 2 through 7. If the results are the same, contact Detroit Diesel Customer Support Center (313–592–5800). [b] If the resistance is less than 5 Ω, repair the short to ground between pin 2 of the CMP harness connector and pin 45 of the 120–pin MCM connector.
  • Page 559 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [a] If the sensor position is correct and fault code 723/8 is active, refer to section 76.3.2. [b] If the sensor position is incorrect and fault code 723/8 is not active, remove and replace the camshaft sensor sleeve. Refer to section 76.3.2.1.
  • Page 560 [a] If no codes are logged, troubleshooting is complete. [b] If any codes except code s 723/14 are logged, troubleshoot those codes. (Rev. ) All information subject to change without notice. 76-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 561: Spn 904 (Cpc) - J1939 Ebc2 Message Missing And Front Axle Speed Signal Erratic Or Missing

    SPN 904 (CPC) - J1939 EBC2 MESSAGE MISSING AND FRONT AXLE SPEED SIGNAL ERRATIC OR MISSING Section Page 77.1 SPN 904/FMI 9 ..................77-3 77.2 SPN 904/FMI 13 ..................77-3 77.3 SPN 904/FMI 19 ..................77-4...
  • Page 562 (Rev. ) All information subject to change without notice. 77-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 563 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 77.1 SPN 904/FMI 9 This fault is typically the J1939 EBC2 message from the ABS is missing. 77.1.1 Missing EBC2 Message from ABS Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 564 [b] If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module. (Rev. ) All information subject to change without notice. 77-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 565: Spn 973 (Cpc) - J1939 Ebc1 Message Missing And Engine Retarder Selection Signal Is Erratic Or Missing

    SPN 973 (CPC) - J1939 EBC1 MESSAGE MISSING AND ENGINE RETARDER SELECTION SIGNAL IS ERRATIC OR MISSING Section Page 78.1 SPN 973/FMI 9 ..................78-3 78.2 SPN 973/FMI 13 ..................78-3 78.3 SPN 973/FMI 19 ..................78-4...
  • Page 566 (Rev. ) All information subject to change without notice. 78-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 567 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 78.1 SPN 973/FMI 9 This fault is typically the J1939 EBC1 message from the transmission is missing. 78.1.1 Missing EBC1 Transmission from ABS Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 568 [b] If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module. (Rev. ) All information subject to change without notice. 78-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 569: Spn 975 - Two-Speed Fan (Aux Pwm #6) Fault

    SPN 975 - TWO-SPEED FAN (AUX PWM #6) FAULT Section Page 79.1 SPN 975/FMI 3 ..................79-3 79.2 SPN 975/FMI 4 ..................79-5 79.3 SPN 975/FMI 5 ..................79-6...
  • Page 570 (Rev. ) All information subject to change without notice. 79-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 571 33 of the 120–pin MCM connector. Refer to section 79.1.2.1. [b] Of the voltage is less than 11.5 volts, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 572 [b] If code 975/3 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 975/3 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 573 [b] If code 975/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 975/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 574 [b] If code 975/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 975/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 575: Spn 986 (Cpc) - J1939 Cm1 Message Is Missing

    SPN 986 (CPC) - J1939 CM1 MESSAGE IS MISSING Section Page 80.1 SPN 986/FMI 9 ..................80-3...
  • Page 576 (Rev. ) All information subject to change without notice. 80-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 577 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 80.1 SPN 986/FMI 9 This fault is typically the J1939 CM1 message is missing. 80.1.1 Missing J1939 CM1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 578 80.1 SPN 986/FMI 9 (Rev. ) All information subject to change without notice. 80-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 579: Spn 1172 -Turbo Compressor In Temp High Or Low

    SPN 1172 -TURBO COMPRESSOR IN TEMP HIGH OR LOW Section Page 81.1 SPN 1172/FMI 3 ..................81-3 81.2 SPN 1172/FMI 4 ..................81-5...
  • Page 580 (Rev. ) All information subject to change without notice. 81-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 581 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 81.1 SPN 1172/FMI 3 This code is typically sensor or circuit failed high. 81.1.1 Open Circuit Check Check for an open as follows: 1. Turn the ignition OFF. 2. Disconnect the 31–pin connector. 3. Measure the resistance between pin 27 and pin 28 of the 31–pin connector on the truck side.
  • Page 582 3. Measure the voltage between pin 27 and pin 28 of the 31–pin connector on the engine side. [a] If the voltage is less than 4.5 volts, refer to section 81.1.1, step 9. [b] If the voltage is greater than 4.5 volts, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 583 [a] If the resistance is less than 5 Ω, repair the short to ground between pin 28 of the 31–pin connector and ground. Refer to section 81.2.1.1. [b] If the resistance is greater than 5 Ω, contact the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 584 [c] If code 1172/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice. 81-6 6SE568 Copyright ©...

  • Page 585: Spn 1176 - Turbo Compressor Inlet Pressure Outside

    SPN 1176 - TURBO COMPRESSOR INLET PRESSURE OUTSIDE NORMAL RANGE Section Page 82.1 SPN 1176/FMI 3 ..................82-3 82.2 SPN 1176/FMI 4 ..................82-5...
  • Page 586 (Rev. ) All information subject to change without notice. 82-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 587 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 82.1 SPN 1176/FMI 3 This diagnosis is typically a short to power. 82.1.1 Short to Power Check Check as follows: 1. Turn the ignition ON (key ON, engine OFF). 2. Check for multiple codes.
  • Page 588 [c] If code 1176/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice. 82-4 6SE568 Copyright ©...
  • Page 589 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 82.2 SPN 1176/FMI 4 This diagnosis is typically an open short to ground. 82.2.1 Open or Short Circuit Check Check as follows: 1. Turn the ignition ON (key ON, engine OFF). 2. Check for multiple codes.
  • Page 590 [c] If code 1176/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice. 82-6 6SE568 Copyright ©...

  • Page 591: Spn 1188 - Wastegate Valve Control (Aux Pwm #10)

    SPN 1188 - WASTEGATE VALVE CONTROL (AUX PWM #10) Section Page 83.1 SPN 1188/FMI 3 ..................83-3 83.2 SPN 1188/FMI 4 ..................83-4 83.3 SPN 1188/FMI 5 ..................83-5...
  • Page 592 (Rev. ) All information subject to change without notice. 83-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 593 35 and 93 of the 120–pin MCM connector. [b] If the resistance is greater than 5 Ω, review steps 1 through 6. If the results are the same, contact the Detroit Diesel Customer Support Center (313–592–5800). 83.1.1.1...
  • Page 594 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 595 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 596 3 of the wastegate valve connector and pin 35 of the 120–pin MCM connector. Refer to section 83.3.1.1. [b] If the resistance is greater than 5Ω, replace the EPV3 solenoid. (Rev. ) All information subject to change without notice. 83-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 597 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 598 83.3 SPN 1188/FMI 5 (Rev. ) All information subject to change without notice. 83-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 599: Spn 1590 (Cpc) - J1939 Acc1 Message From Adaptive Cruise Control Is Missing

    SPN 1590 (CPC) - J1939 ACC1 MESSAGE FROM ADAPTIVE CRUISE CONTROL IS MISSING Section Page 84.1 SPN 1590/FMI 9 ..................84-3...
  • Page 600 (Rev. ) All information subject to change without notice. 84-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 601 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 84.1 SPN 1590/FMI 9 This fault is typically the J1939 ACC1 messag2 from Adaptive Cruise control is missing. 84.1.1 Missing J1939 ACC1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 602 84.1 SPN 1590/FMI 9 (Rev. ) All information subject to change without notice. 84-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 603: Spn 1624 (Cpc) - J1939 Tco1 Message Is Missing And Tachograph Vehicle Speed Signal Is Erratic And Missing

    SPN 1624 (CPC) - J1939 TCO1 MESSAGE IS MISSING AND TACHOGRAPH VEHICLE SPEED SIGNAL IS ERRATIC AND MISSING...
  • Page 604 (Rev. ) All information subject to change without notice. 85-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 605: Spn 1624/Fmi

    MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 85.1 SPN 1624/FMI 9 This fault is typically the J1939 TCO1 message is missing. 85.1.1 Missing TCO1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 606 [b] If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module. (Rev. ) All information subject to change without notice. 85-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 607 SPN 1636 – INTAKE MANIFOLD TEMPERATURE OUTSIDE OF NORMAL OPERATING RANGE Section Page 86.1 SPN 1636 /FMI 2 ..................86-3 86.2 SPN 1636/FMI 3 ..................86-4 86.3 SPN 1636/FMI 4 ..................86-6 86.4 SPN 1636/FMI 14 ..................86-7...
  • Page 608 (Rev. ) All information subject to change without notice. 86-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 609 EGR PW to 50% (EGR Delta P counts will also rise because of EGR flow). Is the intake manifold temperature within __° of the EGR temperature? [a] If yes, contact the Detroit Diesel Customer Support Center (313–592–5800). [b] If no, replace the sensor. Refer to section 86.1.1.1.
  • Page 610 [c] If code 1636/2 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). 86.2 SPN 1636/FMI 3 The diagnostic condition is typically Intake Manifold Temperature Sensor Open Circuit. The following procedures will troubleshoot SPN 1636/3.
  • Page 611 [b] If code 1636/3 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 1636/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice. (Rev. )
  • Page 612 Manifold Pressure/Temp Sensor and pin 119 of the 120–pin MCM connector. See Figure 86-2. Refer to section 86.3.1.1. Figure 86-2 Intake Manifold Pressure/Temp Sensor Wiring (Rev. ) All information subject to change without notice. 86-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 613 [c] If code 1636/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). 86.4 SPN 1636/FMI 14 This code indicates that the Intake Manifold Temperature Sensor has failed a self test.
  • Page 614 If there are no repairs, replace suspect temperature sensor. Refer to section 86.4.1.1. [b] If no, review steps 3 through 8. If the results are the same, contact the Detroit Diesel Customer Support Center (313–592–5800).

  • Page 615: Spn 1716 (Cpc) - J1939 Erc1 Message Is Missing

    SPN 1716 (CPC) - J1939 ERC1 MESSAGE IS MISSING Section Page 87.1 SPN 1716/FMI 9 ..................87-3...
  • Page 616 (Rev. ) All information subject to change without notice. 87-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 617 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 87.1 SPN 1716/FMI 9 This fault is typically the J1939 ERC1 message is missing. 87.1.1 Missing ERC1 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 618 87.1 SPN 1716/FMI 9 (Rev. ) All information subject to change without notice. 87-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 619: Spn 1845 (Cpc) - J1939 Tcfg2 Message Is Missing

    SPN 1845 (CPC) - J1939 TCFG2 MESSAGE IS MISSING Section Page 88.1 SPN 1845/FMI 9 ..................88-3...
  • Page 620 (Rev. ) All information subject to change without notice. 88-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 621 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 88.1 SPN 1845/FMI 9 This fault is typically the J1939 TCFG2 message is missing. 88.1.1 Missing TCFG2 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 622 88.1 SPN 1845/FMI 9 (Rev. ) All information subject to change without notice. 88-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 623: Spn 2623 (Cpc) - Pwm Accelerator Pedal Gas1 And Gas2

    SPN 2623 (CPC) - PWM ACCELERATOR PEDAL GAS1 AND GAS2 SIGNAL MISSING Section Page 89.1 SPN 2623/FMI 4 ..................89-3 89.2 SPN 2623/FMI 14 ..................89-3...
  • Page 624 (Rev. ) All information subject to change without notice. 89-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 625 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 89.1 SPN 2623/FMI 4 This fault is typically the PWM Accelerator Pedal J1939 GAS2 signal is missing. 89.1.1 Missing PWM Accelerator Pedal GAS2 Signal Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 626 89.2 SPN 2623/FMI 14 (Rev. ) All information subject to change without notice. 89-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 627: Spn 2791 - Egr Valve (Aux Pwm #1) Failed Or Open Circuit

    SPN 2791 – EGR VALVE (AUX PWM #1) FAILED OR OPEN CIRCUIT Section Page 90.1 SPN 2791/FMI 3 ..................90-3 90.2 SPN 2791/FMI 4 ..................90-5 90.3 SPN 2791/FMI 5 ..................90-6...
  • Page 628 (Rev. ) All information subject to change without notice. 90-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 629 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 90.1 SPN 2791/FMI 3 This diagnostic condition is typically a short to power fault. 90.1.1 Short Circuit Check Check for short as follows: 1. Disconnect the EGR valve connector. 2. Turn the ignition ON (key ON, engine OFF).
  • Page 630 61 and 62 of the 120–pin MCM connector. Refer to section 90.1.2.1. [b] If the resistance is less than 5 Ω, call the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM. 90.1.2.1...
  • Page 631 [a] If the resistance is less than 5 Ω, repair the short circuit between pin 2 of the EGR valve connector and ground. Refer to section 90.2.2.1. [b] If the resistance is greater than 5 Ω, call the Detroit Diesel Customer Support Center (313–592–5800) for authorization to replace the MCM.
  • Page 632 [b] If code 2791/4 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 2791/4 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). 90.3 SPN 2791/FMI 5 This diagnostic condition is typically an open circuit fault.
  • Page 633 [b] If code 2791/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 2791/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice.
  • Page 634 90.3 SPN 2791/FMI 5 (Rev. ) All information subject to change without notice. 90-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 635: Spn 2795 - Can Communication Error

    SPN 2795 - CAN COMMUNICATION ERROR Section Page 91.1 SPN 2795/FMI 9 ..................91-3...
  • Page 636 (Rev. ) All information subject to change without notice. 91-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 637 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 91.1 SPN 2795/FMI 9 This diagnosis is typically a CAN3 communication error. 91.1.1 CAN3 Check Check as follows: 1. Check for multiple codes. [a] If codes other than SPN 2795/FMI 9 are present, repair those first.
  • Page 638 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.

  • Page 639: Spn 2900 (Cpc) - J1939 Etc7 Message Is Missing

    SPN 2900 (CPC) - J1939 ETC7 MESSAGE IS MISSING Section Page 92.1 SPN 2900/FMI 9 ..................92-3...
  • Page 640 (Rev. ) All information subject to change without notice. 92-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 641 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 92.1 SPN 2900/FMI 9 This fault is typically the J1939 ETC7 message is missing. 92.1.1 Missing ETC7 Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 642 92.1 SPN 2900/FMI 9 (Rev. ) All information subject to change without notice. 92-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 643: Spn 3242/Fmi 2, 3, 4 Or 10

    SPN 3242 - DOC INLET TEMPERATURE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 93.1 SPN 3242/FMI 2, 3, 4 OR 10 ..............93-3...
  • Page 644 (Rev. ) All information subject to change without notice. 93-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 645 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 93.1 SPN 3242/FMI 2, 3, 4 OR 10 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 9. All information subject to change without notice.
  • Page 646 93.1 SPN 3242/FMI 2, 3, 4 OR 10 (Rev. ) All information subject to change without notice. 93-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 647: Spn 3246/Fmi 0, 2, 3, 4, 10, 14, 31

    SPN 3246 - DPF OUTLET TEMPERATURE SENSOR OPERATING ABOVE OR BELOW NORMAL Section Page 94.1 SPN 3246/FMI 0, 2, 3, 4, 10, 14, 31 ............94-3...
  • Page 648 (Rev. ) All information subject to change without notice. 94-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 649 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 94.1 SPN 3246/FMI 0, 2, 3, 4, 10, 14, 31 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 10. All information subject to change without notice.
  • Page 650 94.1 SPN 3246/FMI 0, 2, 3, 4, 10, 14, 31 (Rev. ) All information subject to change without notice. 94-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 651: Spn 3250/Fmi 0, 2, 3, 4, 10, 14, 31

    SPN 3250 - DPF INLET TEMPERATURE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 95.1 SPN 3250/FMI 0, 2, 3, 4, 10, 14, 31 ............95-3...
  • Page 652 (Rev. ) All information subject to change without notice. 95-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 653 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 95.1 SPN 3250/FMI 0, 2, 3, 4, 10, 14, 31 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 11. All information subject to change without notice.
  • Page 654 95.1 SPN 3250/FMI 0, 2, 3, 4, 10, 14, 31 (Rev. ) All information subject to change without notice. 95-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 655: Spn 3251/Fmi 0, 1 Or 16

    SPN 3251 - DPF OUTLET PRESSURE ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 96.1 SPN 3251/FMI 0, 1 OR 16 ............... 96-3...
  • Page 656 (Rev. ) All information subject to change without notice. 96-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 657 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 96.1 SPN 3251/FMI 0, 1 OR 16 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 12. All information subject to change without notice.
  • Page 658 96.1 SPN 3251/FMI 0, 1 OR 16 (Rev. ) All information subject to change without notice. 96-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 659: Spn 3471/Fmi 1, 3, 4 Or 5

    SPN 3471 - ELECTRONIC DOSING VALVE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 97.1 SPN 3471/FMI 1, 3, 4 OR 5 ..............97-3...
  • Page 660 (Rev. ) All information subject to change without notice. 97-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 661 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 97.1 SPN 3471/FMI 1, 3, 4 OR 5 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 13. All information subject to change without notice.
  • Page 662 97.1 SPN 3471/FMI 1, 3, 4 OR 5 (Rev. ) All information subject to change without notice. 97-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 663: Spn 3480/Fmi 1, 2 Or 14

    SPN 3480 - FUEL LINE PRESSURE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 98.1 SPN 3480/FMI 1, 2 OR 14 ............... 98-3...
  • Page 664 (Rev. ) All information subject to change without notice. 98-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 665 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 98.1 SPN 3480/FMI 1, 2 OR 14 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 14. All information subject to change without notice.
  • Page 666 98.1 SPN 3480/FMI 1, 2 OR 14 (Rev. ) All information subject to change without notice. 98-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 667: Spn 3482/Fmi 3, 4, 5 Or 7

    SPN 3482 - FUEL CUTOFF VALVE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 99.1 SPN 3482/FMI 3, 4, 5 OR 7 ..............99-3...
  • Page 668 (Rev. ) All information subject to change without notice. 99-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 669 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 99.1 SPN 3482/FMI 3, 4, 5 OR 7 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 15. All information subject to change without notice.
  • Page 670 99.1 SPN 3482/FMI 3, 4, 5 OR 7 (Rev. ) All information subject to change without notice. 99-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 671: Spn 3509/Fmi 3

    SPN 3509 - MULTIPLEXER 1 CHANNEL 1 OR 2 SHORT OR OPEN CIRCUIT HIGH Section Page 100.1 SPN 3509/FMI 3 ..................100-3...
  • Page 672 (Rev. ) All information subject to change without notice. 100-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 673 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 100.1 SPN 3509/FMI 3 This diagnosis typically is Multiplexer 1, Channel 1 or 2 has a short or open circuit high. 100.1.1 Channel 1 Multiplexer 1 Channel 1, shorted high will set if the input voltage from either the DOC Temp In, DOC Temp Out or DPF Temp Out exceeds 2.97 volts, which may be caused by a short circuit,...
  • Page 674 100.1 SPN 3509/FMI 3 (Rev. ) All information subject to change without notice. 100-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 675: Spn 3510/Fmi 3

    SPN 3510 - MULTIPLEXER 2 CHANNEL 1 OR 2 SHORT OR OPEN CIRCUIT HIGH Section Page 101.1 SPN 3510/FMI 3 ..................101-3...
  • Page 676 (Rev. ) All information subject to change without notice. 101-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 677 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 101.1 SPN 3510/FMI 3 This diagnosis is typically Multiplexer 2 Channel 1 or 2 short or open circuit high. 101.1.1 Channel 1 Multiplexer 2 Channel 1, shorted high will set if the input voltage from either the Engine Coolant Temperature Sensor, EGR Temperature Sensor or Turbo Compressor Outlet Temperature Sensor exceeds 2.97 volts, which may be caused by a short circuit, or more likely an open circuit.
  • Page 678 101.1 SPN 3510/FMI 3 (Rev. ) All information subject to change without notice. 101-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 679: Spn 3510/Fmi 2

    SPN 3510 — ACCELERATOR PEDAL SUPPLY OUTSIDE OF NORMAL OPERATING RANGE Section Page 102.1 SPN 3510/FMI 2 ..................102-3 102.2 SPN 3510/FMI 3 ..................102-5 102.3 SPN 3510/FMI 4 ..................102-6...
  • Page 680 (Rev. ) All information subject to change without notice. 102-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 681 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 102.1 SPN 3510/FMI 2 This fault indicates that the throttle pedal supply is receiving erratic data. 102.1.1 Erratic Data Check Check for erratic data as follows: 1. Disconnect the Accelerator Pedal (AP). 2. Turn the ignition ON (key ON, engine OFF).
  • Page 682 [c] If code 3510/2 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice. 102-4 6SE568 Copyright ©...
  • Page 683 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 102.2 SPN 3510/FMI 3 The typical diagnosis for this fault is high voltage. 102.2.1 High Voltage Check Check for high voltage as follows: 1. Disconnect the Accelerator Pedal (AP). 2. Turn the ignition ON (key ON, engine OFF).
  • Page 684 SPN 3510/FMI 4 [c] If code 3510/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). 102.3 SPN 3510/FMI 4 The typical diagnosis for this fault is voltage low.
  • Page 685 [b] If code 3510/4 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 3510/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice. (Rev. )
  • Page 686 102.3 SPN 3510/FMI 4 (Rev. ) All information subject to change without notice. 102-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 687: Spn 3511/Fmi 3

    SPN 3511 - MULTIPLEXER 3 CHANNEL 1 0R 2 SHORT OR OPEN CIRCUIT HIGH Section Page 103.1 SPN 3511/FMI 3 ..................103-3...
  • Page 688 (Rev. ) All information subject to change without notice. 103-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 689 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 103.1 SPN 3511/FMI 3 This diagnosis typically is Multiplexer 3, Channel 1 or 2 has a short or open circuit high. 103.1.1 Channel 1 Multiplexer 3 Channel 1, shorted high will set if the input voltage from either the Intake Manifold Temperature Sensor, Engine Oil Temperature Sensor, Engine Coolant Temperature Sensor or Engine Fuel Temperature Sensor exceeds 2.97 volts, which may be caused by a short circuit, or...
  • Page 690 103.1 SPN 3511/FMI 3 (Rev. ) All information subject to change without notice. 103-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 691: Spn 3556/Fmi 0 Or 1

    SPN 3556 - ELECTRONIC DOSING VALVE ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 104.1 SPN 3556/FMI 0 OR 1 ................104-3...
  • Page 692 (Rev. ) All information subject to change without notice. 104-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 693 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 104.1 SPN 3556/FMI 0 OR 1 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 16. All information subject to change without notice. (Rev. )
  • Page 694 104.1 SPN 3556/FMI 0 OR 1 (Rev. ) All information subject to change without notice. 104-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 695: Spn 3563/Fmi 0/1/2

    SPN 3563 – INTAKE MANIFOLD PRESSURE OUTSIDE NORMAL RANGE Section Page 105.1 SPN 3563/FMI 0/1/2 ................. 105-3 105.2 SPN 3563/FMI 3 ..................105-6 105.3 SPN 3563/FMI 4 ..................105-8...
  • Page 696 (Rev. ) All information subject to change without notice. 105-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 697 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 105.1 SPN 3563/FMI 0/1/2 The following procedures will troubleshoot SPN 3563/FMI 0/1/2, intake manifold pressure high or low or erratic data. 105.1.1 Code Check Perform the following steps to check for codes: 1. Turn the ignition ON (key ON, engine OFF).
  • Page 698 [b] If the value is within 2 kPa, go to step 11. 11. Using DDDL 7.0, read the value of the Barometric Pressure Sensor. (Rev. ) All information subject to change without notice. 105-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 699 [a] If the value is not within X kPa, replace the Barometric Pressure Sensor. Due to its location in the MCM, replacing the Barometric Pressure Sensor means replacing the MCM.Refer to section 105.1.3.1. [b] If the value is within X kPa, contact Detroit Diesel Customer Support Center (313–592–5800). 105.1.3.1 Verify Repairs Perform the following steps to verify repairs.
  • Page 700 [b] If the resistance is less than 5 Ω, repair the short between wire 58 and 87 of the 120-pin MCM connector. See Figure 105-1. Refer to section 105.2.1.1. 105.2.1.1 Verify Repairs Perform the following steps to verify repairs. (Rev. ) All information subject to change without notice. 105-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 701 [b] If code 3563/3 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 3563/3 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice. (Rev. )
  • Page 702 5. Turn the ignition ON (key ON, engine OFF). 6. Measure the voltage between pin 2 of the Intake Manifold Pressure/Temp Sensor and ground. (Rev. ) All information subject to change without notice. 105-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 703 [b] If code 3563/4 is not logged, and other codes are logged, troubleshoot the logged codes. [c] If code 3563/4 and other codes are logged, review this section to find the error. If no error is found, call the Detroit Diesel Customer Support Center (313–592–5800). All information subject to change without notice. (Rev. )
  • Page 704 105.3 SPN 3563/FMI 4 (Rev. ) All information subject to change without notice. 105-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 705: Spn 3603 (Cpc) - J1939 Ess Message Is Missing

    SPN 3603 (CPC) - J1939 ESS MESSAGE IS MISSING...
  • Page 706 (Rev. ) All information subject to change without notice. 106-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 707 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 106.1 SPN 3603/FMI 9 This fault is typically the J1939 ESS message is missing. 106.1.1 Missing ESS Message Check Check as follows: 1. Check for multiple codes: [a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
  • Page 708 106.1 SPN 3603/FMI 9 (Rev. ) All information subject to change without notice. 106-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 709: Spn 3609Fmi 2, 3, 4, 10, 20 Or 21

    SPN 3609 - DPF INLET PRESSURE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 107.1 SPN 3609FMI 2, 3, 4, 10, 20 OR 21 ............107-3...
  • Page 710 (Rev. ) All information subject to change without notice. 107-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 711 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 107.1 SPN 3609FMI 2, 3, 4, 10, 20 OR 21 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 17. All information subject to change without notice.
  • Page 712 107.1 SPN 3609FMI 2, 3, 4, 10, 20 OR 21 (Rev. ) All information subject to change without notice. 107-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 713: Spn 3610/Fmi 2, 3, 4, 14, 20 Or 21

    SPN 3610 - DPF OUTLET PRESSURE SENSOR ABOVE OR BELOW NORMAL OPERATING RANGE Section Page 108.1 SPN 3610/FMI 2, 3, 4, 14, 20 OR 21 ............108-3...
  • Page 714 (Rev. ) All information subject to change without notice. 108-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 715 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 108.1 SPN 3610/FMI 2, 3, 4, 14, 20 OR 21 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 18. All information subject to change without notice.
  • Page 716 108.1 SPN 3610/FMI 2, 3, 4, 14, 20 OR 21 (Rev. ) All information subject to change without notice. 108-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 717: Spn 3659/Fmi 5

    SPN 3659 — ELECTRONIC UNIT PUMP #1 NOT OPERATING NORMALLY Section Page 109.1 SPN 3659/FMI 5 ..................109-3 109.2 SPN 3659/FMI 10 ..................109-5...
  • Page 718 (Rev. ) All information subject to change without notice. 109-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 719 [a] If fault code 168/1 is active in addition to 3659/5, service 168/1 first. Refer to section 31.2. [b] If fault 3660/5 and 3661/5 are active in addition to 3659/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 720 [b] If code 3659/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3659/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 721 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 109.2 SPN 3659/FMI 10 This diagnostic condition is typically a short to ground. 109.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #1.
  • Page 722 [b] If code 3659/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3659/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 723: Spn 3660/Fmi 5

    SPN 3660 - ELECTRONIC UNIT PUMP #2 NOT OPERATING NORMALLY Section Page 110.1 SPN 3660/FMI 5 ..................110-3 110.2 SPN 3660/FMI 10 ..................110-5...
  • Page 724 (Rev. ) All information subject to change without notice. 110-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 725 [a] If fault code 168/1 is active in addition to 3660/5, service 168/1 first. Refer to section 31.2. [b] If fault 3659/5 and 3661/5 are active in addition to 3660/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 726 [b] If code 3660/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3660/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 727 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 110.2 SPN 3660/FMI 10 This diagnostic condition is typically a short to ground. 110.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #2. See Figure 110-2.
  • Page 728 [b] If code 3660/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3660/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 729: Spn 3661/Fmi 5

    SPN 3661 - ELECTRONIC UNIT PUMP #3 NOT OPERATING NORMALLY Section Page 111.1 SPN 3661/FMI 5 ..................111-3 111.2 SPN 3661/FMI 10 ..................111-5...
  • Page 730 (Rev. ) All information subject to change without notice. 111-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 731 [a] If fault code 168/1 is active in addition to 3661/5, service 168/1 first. Refer to section 31.2. [b] If fault 3659/5 and 3660/5 are active in addition to 3661/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 732 [b] If code 3661/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3661/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 733 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 111.2 SPN 3661/FMI 10 This diagnostic condition is typically a short. 111.2.1 Check for Short Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #3. See Figure 111-2.
  • Page 734 [b] If code 3661/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3661/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 735: Spn 3662/Fmi 5

    SPN 3662 - ELECTRONIC UNIT PUMP #4 NOT OPERATING NORMALLY Section Page 112.1 SPN 3662/FMI 5 ..................112-3 112.2 SPN 3662/FMI 10 ..................112-5...
  • Page 736 (Rev. ) All information subject to change without notice. 112-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 737 [a] If fault code 168/1 is active in addition to 3662/5, service 168/1 first. Refer to section 31.2. [b] If fault 3663/5 and 3664/5 are active in addition to 3662/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 738 [b] If code 3662/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3662/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 739 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 112.2 SPN 3662/FMI 10 This diagnostic condition is typically a short to ground. 112.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #4. See Figure 112-2.
  • Page 740 [b] If code 3662/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3662/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 741: Spn 3663/Fmi 5

    SPN 3663 - ELECTRONIC UNIT PUMP #5 NOT OPERATING NORMALLY Section Page 113.1 SPN 3663/FMI 5 ..................113-3 113.2 SPN 3663/FMI 10 ..................113-5...
  • Page 742 (Rev. ) All information subject to change without notice. 113-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 743 [a] If fault code 168/1 is active in addition to 3663/5, service 168/1 first. Refer to section 31.2. [b] If fault 3662/5 and 3664/5 are active in addition to 3663/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement.
  • Page 744 [b] If code 3663/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3663/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 745 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 113.2 SPN 3663/FMI 10 This diagnostic condition is typically a short to ground. 113.2.1 Short to Ground Check Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #5. See Figure 113-2.
  • Page 746 [b] If code 3663/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3663/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.

  • Page 747: Spn 3664/Fmi 5

    SPN 3664 - ELECTRONIC UNIT PUMP #6 NOT OPERATING NORMALLY Section Page 114.1 SPN 3664/FMI 5 ..................114-3 114.2 SPN 3664/FMI 10 ..................114-5...
  • Page 748 (Rev. ) All information subject to change without notice. 114-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 749 [a] If fault code 168/1 is active in addition to 3664/5, service 168/1 first. Refer to section 31.2. [b] If fault 3662/5 and 3663/5 are active in addition to 3664/5, contact the Detroit Diesel Customer Support Center (313–592–5800) for MCM replacement. Refer to section 114.1.1.1.
  • Page 750 [b] If code 3664/5 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3664/5 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 751 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 114.2 SPN 3664/FMI 10 This diagnostic condition is typically a short to ground. 114.2.1 Check for Short Check as follows: 1. Turn the ignition OFF. 2. Disconnect the 120–pin MCM connector. 3. Disconnect pins 1 and 2 of Electronic Unit Pump #6. See Figure 114-2.
  • Page 752 [b] If code 3664/10 is not logged but other codes are logged, troubleshoot the other codes. [c] If code 3664/10 and other codes are logged repeat troubleshooting procedure. If no error is found, contact the Detroit Diesel Customer Support Center (313–592–5800). (Rev. ) All information subject to change without notice.
  • Page 753 SPN 3695 (CPC) - DPF REGEN MUX SWITCH MESSAGES NOT OPERATING NORMALLY Section Page 115.1 SPN 3695/FMI 9 ..................115-3 115.2 SPN 3695/FMI 13 ..................115-4 115.3 SPN 3695/FMI 14 ..................115-4 115.4 SPN 3695/FMI 19 ..................115-5...
  • Page 754 (Rev. ) All information subject to change without notice. 115-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 755 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 115.1 SPN 3695/FMI 9 This fault is typically one of the following: □ DPF Regen Inhibit Switch message stopped arriving □ DPF Regen Force Switch message stopped arriving 115.1.1 Missing DPF Regen Inhibit Switch or Force Switch Message...
  • Page 756 [c] If only a “J1939 Error” fault is present, go to step 2. 2. Has the CPC been recently reprogrammed? [a] If yes, check the proper configuration of the CPC. (Rev. ) All information subject to change without notice. 115-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 757 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE [b] If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module. 115.4 SPN 3695/FMI 19 This fault is typically one of the following: □...
  • Page 758 115.4 SPN 3695/FMI 19 (Rev. ) All information subject to change without notice. 115-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 759: Spn 3719 - Soot Level Above Normal

    SPN 3719 - SOOT LEVEL ABOVE NORMAL Section Page 116.1 SPN 3719/FMI 0, 15,16,OR 31 ..............116-3...
  • Page 760 (Rev. ) All information subject to change without notice. 116-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 761 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 116.1 SPN 3719/FMI 0, 15,16,OR 31 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 19. All information subject to change without notice. (Rev. )
  • Page 762 116.1 SPN 3719/FMI 0, 15,16,OR 31 (Rev. ) All information subject to change without notice. 116-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 763: Spn 3720 - Ash Level Above Normal

    SPN 3720 - ASH LEVEL ABOVE NORMAL Section Page 117.1 SPN 3720/FMI 15 OR 16 ................. 117-3...
  • Page 764 (Rev. ) All information subject to change without notice. 117-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 765 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 117.1 SPN 3720/FMI 15 OR 16 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 20. All information subject to change without notice. (Rev. )
  • Page 766 117.1 SPN 3720/FMI 15 OR 16 (Rev. ) All information subject to change without notice. 117-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 767: Spn 4077 Fuel Line Pressure Sensor Circuit Fault

    SPN 4077 FUEL LINE PRESSURE SENSOR CIRCUIT FAULT Section Page 118.1 SPN 4077/FMI 3, 4 OR 14 ............... 118-3...
  • Page 768 (Rev. ) All information subject to change without notice. 118-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 769 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 118.1 SPN 4077/FMI 3, 4 OR 14 The troubleshooting procedures for this SPN can be found in the Aftertreatment System Technician's Guide (7SE63), refer to Chapter 21. All information subject to change without notice.
  • Page 770 118.1 SPN 4077/FMI 3, 4 OR 14 (Rev. ) All information subject to change without notice. 118-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

  • Page 771: Spn 4227/Fmi 3

    SPN 4227 - ELECTROSTATIC OIL SEPARATOR OUTSIDE OF NORMAL OPERATING RANGE Section Page 119.1 SPN 4227/FMI 3 ..................119-3 119.2 SPN 4227/FMI 4 ..................119-4...
  • Page 772 (Rev. ) All information subject to change without notice. 119-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 773 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE 119.1 SPN 4227/FMI 3 This is typically a short to power. 119.1.1 Short to Power Check Check as follows: 1. Check for multiple codes. [a] If 615/3 and 2791/3 are present, repair the open between pin 67 of the 120–pin MCM connector and pin 1 of the Electrostatic Oil Separator connector and pin 3 of the EGR valve connector.
  • Page 774 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 775 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.
  • Page 776 119.2 SPN 4227/FMI 4 (Rev. ) All information subject to change without notice. 119-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 777 Worn or Damaged Valve(s) or Cylinder Kit(s) Repair, 6-17 Test Engine with Repaired Cylinder Head Valve(s), and Cylinder Kit, 6-17 Introduction, 1-3 All information subject to change without notice. (Rev. ) Index-1 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 778 SPN 100/FMI 3, 26-6 Check for Short to Ground, 26-6 SPN 100/FMI 4, 26-8 Check for an Open Short to Ground, 26-8 (Rev. ) All information subject to change without notice. Index-2 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 779 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Check for Multiple Codes, 26-8 SPN 103/FMI 0, 27-3 Check Equipment, 27-3 SPN 103/FMI 1, 27-4 Check Equipment, 27-4 SPN 103/FMI 3, 27-5 Check for Open, 27-5 Resistance and Voltage Check, 27-6 SPN 103/FMI 4, 27-7...
  • Page 780 Check for Short to Ground, 32-5 SPN 175/FMI 2, 33-3 Rationality Check, 33-3 SPN 175/FMI 3, 33-5 Check for Short to Power, 33-5 (Rev. ) All information subject to change without notice. Index-4 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 781 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 175/FMI 4, 33-7 Check for Short to Ground, 33-7 SPN 1845/FMI 9, 88-3 Missing TCFG2 Message Check, 88-3 SPN 190/FMI 2, 34-3 SPN 191/FMI 13, 35-3 Missing Transmission Output Speed Shaft Signal Check, 35-3...
  • Page 782 SPN 3563/FMI 3, 105-6 Short to Power Check, 105-6 SPN 3563/FMI 4, 105-8 Open or Short to Ground Check, 105-8 SPN 3603/FMI 9, 106-3 (Rev. ) All information subject to change without notice. Index-6 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 783 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Missing ESS Message Check, 106-3 SPN 3609FMI 2, 3, 4, 10, 20 or 21, 107-3 SPN 3610/FMI 2, 3, 4, 14, 20 or 21, 108-3 SPN 3659/FMI 10 Check for Short to Ground, 109-5...
  • Page 784 Erratic Service Brake Switch Signal from Source #1, #2, or #3 Check, 43-3 SPN 599/FMI 12, 44-3 SPN 599/FMI 4 Short to Ground Check, 44-3 SPN 600/FMI 13, 45-3 (Rev. ) All information subject to change without notice. Index-8 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 785 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Missing Cruise Control Coast Switch Signal from Source #1, #2, or #3 Check, 45-3 SPN 600/FMI 19, 45-3 Erratic Cruise Control Coast Switch Signal from Source #1 Check, 45-3 SPN 602/FMI 13, 46-3 Missing Cruise Control Accelerate Switch Signal from Source #1, #2, or #3 Check, 46-3...
  • Page 786 SPN 703/FMI 4, 62-3 SPN 704/FMI 3, 63-3 SPN 704/FMI 4, 63-3 SPN 705/FMI 3, 64-3 SPN 705/FMI 4, 64-3 SPN 706/FMI 3, 65-3 (Rev. ) All information subject to change without notice. Index-10 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 787 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE SPN 706/FMI 4, 65-3 SPN 707/FMI 3, 67-3 SPN 707/FMI 4, 67-3 SPN 708/FMI 3, 68-3 SPN 708/FMI 4, 68-3 SPN 709/FMI 3, 69-3 Short to Power Check, 69-3 Voltage Check, 69-3 SPN 709/FMI 4, 69-5...
  • Page 788 Erratic Engine Retarder Selection Signal Check, 78-4 SPN 973/FMI 9, 78-3 Missing Ebc1 Transmission from Abs Check, 78-3 SPN 975/FMI 3, 79-3 (Rev. ) All information subject to change without notice. Index-12 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...
  • Page 789 MBE 4000 DDEC VI TROUBLESHOOTING GUIDE Short to Power Check, 79-3 Voltage Check, 79-3 SPN 975/FMI 5, 79-6 Open Circuit Check, 79-6 SPN 986/FMI 9, 80-3 Missing J1939 CM1 Message Check, 80-3 Starting Difficulty (Engine Rotates) Aerated Fuel Resolution, 4-26...
  • Page 790 Troubleshooting Add Engine Coolant Level Sensor Test Repair, 29-9 Troubleshooting SPN 110/FMI 2, 28-4 Rationality Check, 28-4 Wires recommendations, 17-28 requirements, 17-28 (Rev. ) All information subject to change without notice. Index-14 6SE568 Copyright © PRELIMINARY 2007 DETROIT DIESEL CORPORATION...

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