P0A4E
Generator Position Sensor Circuit High
The generator rotor position sensor reports a circuit high fault. Phase commutation cannot be controlled reliably.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Signal wire shorted to B+Common
- Open sensorPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Generator Position Sensor
- Wiring Harness
- Hybrid Control Module
P0A4E 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.