OBD-II code · Powertrain (generic)
P0A5A Generator Current Sensor Circuit Range/Performance
The current sensor of the generator reports a circuit range/performance fault. Current measurement is unreliable.
Is it safe to drive with P0A5A?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCurrent sensor offset drifted
- PossibleMagnetic offset from nearby parts
- Less likelySensor element aged beyond calibration window
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.