P2DF3
Engine Disconnect Clutch Actuator Position Not Learned
The hybrid control module has not learned the end-stop calibration for the engine disconnect clutch actuator.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
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
Common causes
Ordered by how often each turns out to be the cause.
- Adaptation lost after battery disconnectCommon
- Actuator replaced without learn procedurePossible
Parts involved
- Engine Disconnect Clutch Actuator
- Hybrid Control Module
P2DF3 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.