Drive Motor A Clutch Stuck Disengaged
The drive motor A clutch cannot leave the disengaged state when engagement is commanded. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.
Affected components
- Drive motor a clutch
- Drive motor a clutch actuator
Common causes
- High likelihood: Clutch actuator stuck
- Medium likelihood: Hydraulic pressure off
Possible symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.