P0A5A
Generator Current Sensor Circuit Range/Performance
The current sensor of the generator reports a circuit range/performance fault. Current measurement is unreliable.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Current sensor offset driftedCommon
- Magnetic offset from nearby partsPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Generator Current Sensor
- Wiring Harness
- Hybrid Control Module
P0A5A 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.