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 13.
NO - Replace the ATF, then go to step 4.
4. Turn the ignition switch to ON (II).
5. Clear the DTC with the HDS.
6. Select Shift Solenoid E in the Miscellaneous Test Menu, and check that shift solenoid valve E operates with the HDS.
Is a clicking sound heard?
YES - Go to step 7.
NO - Replace shift solenoid valve E, then go to step 12.
7. Run the engine until the ECT SENSOR value reaches 176°F (80°C).
8. Select Clutch Pressure Control (Linear) Solenoid A in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.
Does the screen indicate NORMAL?
YES - Go to step 9.
NO - Follow the instructions indicated on the HDS by the test result. Go to step 12 if any part was replaced.
9. Test-drive the vehicle at a constant speed of 60 mph (96 km/h) for at least 2 seconds.
10. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 9.
11. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES - Repair the faulty torque converter clutch mechanism, the torque converter clutch hydraulic circuit, the lock-up shift valve, or the lock-up control valve, or replace the transmission, then go to step 13.
NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. If the screen indicates NOT COMPLETED, go to step 9.
12. Reconnect all connectors.
13. Turn the ignition switch to ON (II).
14. Clear the DTC with the HDS.
15. Test-drive the vehicle at a constant speed of 60 mph (96 km/h) for at least 20 seconds.
16. Turn the ignition switch to LOCK (0), and repeat the test-drive in step 15.
17. Check for DTCs with the HDS.
Is DTC P0741 indicated?
YES - Go to step 5.
NO - Go to step 18.
18. 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 DTCs were indicated in step 17, go to the indicated DTC's troubleshooting.
NO - If the screen indicates FAILED, go to step 5. If the screen indicates NOT COMPLETED, go to step 15.