Dtc P0741 / P0742: Tcc Circuit Performance Or Stuck Off / Tcc Circuit Stuck - Suzuki Grand Vitara 2011 Manual

DTC P0741 / P0742: TCC Circuit Performance or Stuck OFF / TCC Circuit Stuck ON
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
DTC P0741:
When driving vehicle in "D" range, difference in revolution
between engine and A/T input (input shaft speed) is larger than
specification although TCM commanded TCC pressure control
solenoid to turn ON. (2 driving cycle detection logic)
DTC P0742:
When driving vehicle in "D" range, difference in revolution
between engine and A/T input (input shaft speed) is smaller than
specification although TCM commanded TCC pressure control
solenoid to turn OFF. (2 driving cycle detection logic)
DTC Confirmation Procedure
WARNING
!
• When performing a road test, select a place where there is no traffic or possibility of a traffic
accident and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using scan tool.
3) Start engine and warm it up to normal operating temperature.
4) Shift select lever to "N" and "D" range for each 10 seconds.
5) Drive vehicle with 4th in "D" range and lock-up ON for 20 seconds or longer referring to "Automatic Gear Shift
Table".
6) Drive vehicle with 2nd or 3rd gear in "D" range, 15 – 20% throttle opening and at vehicle speed of 40 km/h (25
mile/h).
7) Stop vehicle and turn ignition switch OFF.
8) Repeat Step 3) to 6) one time.
9) Stop vehicle.
10) Check DTC, pending DTC and freeze-frame data.
DTC Troubleshooting
Step
1 Was "A/T System Check" performed?
2 Check TCC pressure control solenoid valve for operation
referring to "Solenoid Valves (Shift Solenoid-A, Shift
Solenoid-B, TCC Pressure Control Solenoid and Pressure
Control Solenoid Inspection".
Are they in good condition?
Action
Automatic Transmission/Transaxle:
Trouble Area
• Mechanical malfunction of TCC pressure control
solenoid valve.
• Malfunction of valve body assembly.
• Fluid passage clogged or leaking.
• Torque converter clutch malfunction.
Yes
Go to Step 2.
Clean fluid passage or
replace valve body
assembly.
5A-58
S6JB0A5104031
No
Go to "A/T System
Check".
Replace TCC pressure
control solenoid valve.