DTC P0742 Torque Converter Clutch Circuit-Stuck On: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition & Fail Safe |
Possible cause |
| DTC Strategy |
|
* TORQUE CONVERTER (DAMPER) CLUTCH: TCC
- Faulty TCC or oil pressure system
- Faulty TCC solenoid valve
- Faulty body control valve
- Faulty PCM
|
| Enable Conditions |
- Solenoid valve status is 0% duty
- Throttle position ≥ 20%
- Engine speed > 0 RPM
- Output speed (PG-B) > 1000 RPM
- A/T range switch D,2, L
- -10°C (14°F)< A/T fluid temperature > 130°C (266°F)
|
| Threshold Value |
- Calculated slip: | engine speed-input speed | < 5 RPM
|
| Diagnostic Time |
|
| Fail Safe |
- Damper clutch abnormal system (If diagnosis code P0742 is output four times, TORQUE CONVERTER (DAMPER) CLUTCH is not controlled by PCM)
|