OBD-II · Engine and powertrain (P)
P0741
Torque converter clutch circuit performance or stuck off
What it means
The torque converter lock-up clutch does not engage when commanded, or slips.
Symptoms
- higher engine revs at steady motorway speed
- higher fuel consumption
- judder at light throttle
- gearbox warning light
Likely causes, most likely first
| No. | Cause |
|---|---|
| 01 | low or degraded transmission fluid |
| 02 | worn torque converter clutch |
| 03 | lock-up solenoid or valve body fault |
| 04 | wiring fault |
What to check, step by step
- 01Check the transmission fluid level and condition
- 02Compare engine speed and turbine speed in live data at steady cruise: when locked they should match
- 03Check the lock-up solenoid and wiring
- 04Refer to a transmission specialist if the converter clutch is worn