P0741

DTC P0741: Torque Converter Clutch Hydraulic Circuit Stuck OFF

NOTE: 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.
NO - Replace the ATF, then go to step 4.

4. Clear the DTC with the HDS.
5. Choose Shift Solenoid D in Miscellaneous Test Menu on the HDS, and check that the shift solenoid valve D operates.
Is a clicking sound heard?
YES - Go to step 6.
NO - Replace shift solenoid valve D, then go to step 10.

6. Run the engine until the ECT SENSOR reaches 176°F (80°C).
7. Choose Clutch Pressure Control (Linear) Solenoid A in Miscellaneous Test Menu, and test the A/T clutch pressure control solenoid valve A with the HDS.
Is the result NORMAL?
YES - Go to step 8.
NO - Follow the instructions indicated on the HDS. Go to step 10 if any part is replaced.

8. Test-drive the vehicle on a level road with a steady throttle at 55 mph (88 km/h) or above for 2 minutes.
9. Monitor the OBD status for P0741 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES - 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.
NO - Intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, return to step 8 and recheck.

10. Clear the DTC with the HDS.
11. Test-drive the vehicle for several minutes under the same conditions as those indicated by the freeze data.
12. Monitor the OBD status for P0741 in the DTCs/Freeze Data in A/T Mode Menu for a pass/f ail.
Does the result indicate PASSED?
YES - Troubleshooting is complete.
NO - Return to step 5 and recheck.