Engine Disconnect Clutch Mechanical Performance
The engine disconnect clutch does not deliver the expected mechanical engagement or release. Friction surface wear, glazing, or actuator force degraded.
Affected components
- Engine disconnect clutch
- Engine disconnect clutch actuator
Common causes
- High likelihood: Friction surfaces glazed
- Medium likelihood: Actuator force degraded
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.