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User Manual | Mitchell Diagnostics | Scan Tool | 40 | en
ss02798
Drive Cycle
2003 GMC Yukon XL 1500 SLT 5.3L PCM
A/C SYSTEM REFRIGERANT
1) Cold start engine coolant temperature < 50 degrees Celsius, with air
MONITOR
conditioning & rear defrost on, idle 2.5 minutes in drive. Before
procedding turn accessories off.
CATALYST MONITOR
2) Acceleration to 55 miles per hour, 1/2 throttle, air conditioning off.
COMPREHENSIVE COMPONENT
MONITOR
3) 3 minutes steady state cruise 55 & 60 miles per hour.
EGR SYSTEM MONITOR
4) Deceleration to 20 miles per hour (clutch out) no brake.
EVAP SYSTEM MONITOR
5) Acceleration at 3/4 throttle to 55-60 miles per hour, then steady
FUEL SYSTEM MONITOR
state cruise for 5 minutes.
FULL DRIVE CYCLE
6) Deceleration no brake, end of cycle.
2. Scroll through the list until the desired monitor or
drive cycle is found.
3. Select the desired drive cycle and follow the
instructions.
Oil Light Reset
On newer vehicles, the oil light reset procedure will
indicate how the oil life information can be reset
after an oil change.
1. Select Oil Light Reset from the Diagnostic
Information screen.
ss02799
Oil Light Reset
2003 GMC Yulon XL 1500 SLT 5.3L PCM
Oil Light Reset Procedures
1) Turn the ignition key to the RUN position.
2) Fully push and release the accelerator pedal 3 times within 5 seconds.
3) if the CHANGE OIL SOON light flashes, the system is resetting.
4) Turn the key to OFF.
5) Start the vehicle.
6) The oil life will change to 100%
2. Select Oil Light Reset from the Diagnostic
Information menu screen.
3. Follow the prompts on the screen to turn off the
indicator lamp.
PCM Connector Pin Information
Displays a list of which connector and pin a
component or sensor is received through on the PCM.
1. Select PCM Pin Information from the Diagnostic
Information screen.
©Mitchell International, Inc.
ss02800
PCM Pin
Menu
2003 GMC Yulon XL 1500 SLT 5.3L PCM
PCM Pin
Pin Number
C1-1
C1-2
C1-3
C1-4
C1-7
2. Scroll through the list and select the desired
sensor or component is listed.
ss02801
PCM Pin
2003 GMC Yulon XL 1500 SLT 5.3L PCM
PCM Pin
Connector:
C1
Connector Color:Blue
Pin Number:
1
Wire Color:
Black/White
Description:
Ground
KOEO
N/A N/A
N/A N/A
Technical Service Bulletin (TSB) References
Menu
Displays TSBs associated with the vehicle/controller
combination.
1. Select TSB Reference from the Diagnostic
Information screen.
ss02802
TSB Reference
2003 GMC Yulon XL 1500 SLT 5.3L PCM
TSB Number
02-09-41-001
01-07-30-002C
01-07-30-036C
01-07-30-038B
02-06-05-004A
1. Scroll through the list until the desired TSB is
found.
TSB Description
Computers & Controls - DTC's Set When Replacing Modules
Electrical - Malfunction Indicator Lamp ON / Automatic
Transmission Stuck in 3rd Gear
Automatic Transmission - Diagnostic Trouble Code P0756
Dianostic Tips
Automatic Transmission - 4L60-E / 4L65-E Malfunction Indicator
Lamp ON / Diagnostic Trouble Code P0757 / Slipping
Emissions - Catalytic Converter Damage / Misfire Codes Set
581624 | REV. B | 06.2017 | APDMD032018
Menu
Description
Ground
12 Volt Reference
Fuel Injector 3 Control
Fuel Injector 2 Control
5 Volt Reference
Menu
Menu
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