Engine Disconnect Clutch Actuator Position Not Learned
The hybrid control module has not learned the end-stop calibration for the engine disconnect clutch actuator.
Affected components
- Engine disconnect clutch actuator
- Hybrid control module
Common causes
- High likelihood: Adaptation lost after battery disconnect
- Medium likelihood: Actuator replaced without learn procedure
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
- A drive cycle may be required after repair
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.