P0741
Torque converter clutch circuit performance/stuck off
The transmission controller has detected that torque-converter clutch lock-up is not performing as commanded.
What this code means
The transmission controller has detected that torque-converter clutch lock-up is not performing as commanded.
Possible causes
- Torque-converter clutch solenoid fault
- Valve-body or hydraulic issue
- Damaged wiring
- Low/contaminated transmission fluid where serviceable
- Torque converter fault
Common symptoms
- Check engine light
- Higher cruising RPM
- Reduced fuel economy
- Shudder or shifting problems
- Possible transmission overheating
Checks to make
- Read all transmission codes
- Check transmission fluid condition only according to manufacturer procedure
- Inspect TCC wiring
- Use scan data to compare commanded and actual lock-up
Safety
- Do not replace parts from the code alone. Confirm the fault with live data, wiring checks and manufacturer procedures. Keep clear of hot or moving engine components.
Model notes
The code definition is generic; exact diagnostic thresholds, component locations and repair procedures vary by vehicle.