Powertrain
generic / SAE
P0A4E
Generator Position Sensor Circuit High
The generator rotor position sensor reports a circuit high fault. Phase commutation cannot be controlled reliably.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 4E
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–2500 €
- Estimated time: 2–8 h
- Component: generator position sensor
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012