P0741
DTC P0741: Torque Converter Clutch Hydraulic Circuit Stuck OFFNOTE: Record all freeze data and review General Troubleshooting Information before you troubleshoot.
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 contain 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. Select Shift Solenoid E in Miscellaneous Test Menu, and check that shift solenoid valve E operates with the HDS.
Is a clicking sound heard?
YES - Go to step 6.
NO - Replace shift solenoid valve E, then go to step 10.
6. Run the engine until the engine coolant temperature reaches 176°F (80°C).
7. Select Clutch Pressure (Linear) Solenoid A in Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.
Is the system OK?
YES - Go to step 8.
NO - Follow the instructions indicated on the HDS by the test result. Go to step 10 if any part is replaced.
8. Test-drive the vehicle at 55 mph (88 km/h) for 2 minutes while monitoring the vehicle speed with the HDS.
9. Monitor the OBD status for P0741 with the DTC Monitor Tool in DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate FAILED?
YES - Faulty torque converter mechanism, torque converter clutch hydraulic circuit, lock-up shift valve, or lock-up control valve, or replace the transmission.
NO - If the tester indicates PASSED, intermittent failure, the system is OK at this time. If the tester 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 with the DTC Monitor Tool in DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate PASSED?
YES - Troubleshooting is complete.
NO - Return to step 5 and recheck.