OBD-II code · Powertrain (generic)
P0A5C Generator Current Sensor Circuit High
The current sensor of the generator reports a circuit high fault. Current measurement is unreliable.
Is it safe to drive with P0A5C?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleOpen sensor
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Generator Current Sensor, Wiring Harness, Hybrid Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.