P0741

P0741

Torque Converter Lockup Clutch

NOTE: The difference between transmission input speed (turbine) and engine speed is monitored.
The fault is detected when the speed difference is too large with the torque converter lockup clutch closed or controlled.

Diagnostic conditions:
- ATF level OK
- ATF temperature 40 ... 95 degrees C (203 degrees F)
- Selector lever position D or M
- Gear 2, 3, 4 or 5 engaged
- Gear engagement has been completed
- Engine speed > 2,500 rpm

Possible fault causes:
- ATF level too low or too high
- Torque converter lockup clutch faulty

Fault reaction:
- The torque converter lockup clutch is opened and held open.