P0A15
Engine Mount A Control Circuit Low
The active engine mount A control circuit reports a control circuit low condition. Vibration damping cannot be modulated.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Control wire shorted to groundCommon
- Actuator internal shortPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Engine Mount A
- Wiring Harness
- ECM
P0A15 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.