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. Check to be sure that the transmission is shaft 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 contains 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 E in Miscellaneous Test Menu, and check that the 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. 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 system OK?
YES: Go to step 8.
NO: Follow instructions indicated on the HDS by the test result. Go to step 10 if any part was replaced.
8. Test-drive the vehicle at 55 mph (88 km/h) for 2 minutes while monitoring the vehicle speed with the HDS.
9. Check the OBD status in DTC Monitor Tool from DTCs/Freeze Data in A/T Mode Menu for a pass/fail test of code P0741.
Did the result indicate a fail?
YES: Faulty the torque converter 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 tester indicates NOT COMPLETE, 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. Check the OBD status in DTC Monitor Tool from DTCs/Freeze Data in A/T Mode Menu for a pass/fail test of code P0741.
Did the result indicate a pass?
YES: The problem has been corrected.
NO: Return to step 5 and recheck.