Automatic Transmission
DTC P0741: Torque Converter Clutch Hydraulic Circuit Stuck OFFNOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
1. Warm up the engine to normal operating temperature (the radiator fan comes on).
2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.
3. Drain the ATF through a strainer. Inspect the strainer for metal debris or excessive clutch material.
Does the strainer have metal debris or excessive clutch material?
YES - Replace the transmission, then go to step 11.
NO - Replace the ATF, then go to step 4.
4. Clear the DTC with the HDS.
5. Select LOCKUP SOLENOID TEST in MISCELLANEOUS TEST MENU, and check that the TORQUE CONVERTER CLUTCH SOLENOID VALVE operates with the HDS.
Do you hear clicking?
YES - Go to step 6.
NO - Replace the torque converter clutch solenoid valve, then go to step 11.
6. Run the engine until the engine coolant temperature reaches 176 °F (80 °C).
7. Select CLUTCH PRESSURE CONTROL (LINEAR) SOLENOID C in MISCELLANEOUS TEST MENU, and test A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C with the HDS.
Is the system OK?
YES - Go to step 8.
NO - Follow the instructions indicated on the HDS for the test result. Go to step 11 if any part is replaced.
8. Test-drive the vehicle at a constant speed of 60 mph (96 km/h) for at least 22 seconds.
9. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 8.
10. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Intermittent failure, the system is OK at this time.
NO - If the screen indicates FAILED, repair the faulty torque converter clutch mechanism, torque converter clutch hydraulic circuit, lock-up shift valve, or lock-up control valve, or replace the transmission, then go to step 11. If the screen indicates NOT COMPLETED, return to step 8 and recheck.
11. Reconnect all connectors.
12. Turn the ignition switch to ON (II).
13. Clear the DTC with the HDS.
14. Test-drive the vehicle at a constant speed of 60 mph (96 km/h) for at least 22 seconds.
15. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 14.
16. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0741 indicated?
YES - Go to step 4.
NO - If Temporary DTC or DTC P0741 is not indicated, or if any other Temporary DTCs are indicated, go to step 17.
17. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Troubleshooting is complete. If any other Temporary DTC or DTCs were indicated on step 16, go to the indicated DTCs troubleshooting.
NO - If the screen indicates FAILED, then go to step 4. If the screen indicates NOT COMPLETED, go to step 14.