DTC Troubleshooting
DTC P0741: Torque Converter Clutch Hydraulic Circuit Stuck OFFNOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, 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 14.
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 Valve 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 11.
7. Run the engine until the ECT Sensor temperature reaches 176°F (80°C).
8. Select Clutch Pressure Control (Linear) Solenoid Valve A in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.
Does the HDS indicate NORMAL?
YES - Go to step 9.
NO - Follow the instructions indicated on the HDS according to the test result. Go to step 11 if any part is replaced.
9. Test-drive the vehicle on a level road with a steady throttle at 60 km/h (96 mph) for at least 20 seconds.
10. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the HDS 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 14.
NO - if the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, go to step 9.
11. Reconnect all connectors.
12. Turn the ignition switch to ON (II).
13. Clear the DTC with the HDS.
14. Test-drive the vehicle on a level road with a steady throttle at 60 mph (96 km/h) for at least 20 seconds, or test-drive the vehicle for several minutes under the same conditions as those indicated by the freeze data.
15. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0741 indicated?
YES - Go to step 5.
NO - Go to step 16.
16. Monitor the OBD STATUS for P0741 in the DTCs MENU with the HDS.
Does the HDS indicate PASSED?
YES - Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 15, go to the indicated DTC's troubleshooting.
NO - If the HDS indicates FAILED, go to step 5. If the HDS indicates NOT COMPLETED, go to step 14.