OBD-II code · Powertrain (generic)
P0A3F Drive Motor A Position Sensor Circuit
The drive motor A rotor position sensor reports a circuit fault. Phase commutation cannot be controlled reliably.
Is it safe to drive with P0A3F?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPosition sensor failed
- PossibleWiring fault
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Position Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P0A40Drive Motor A Position Sensor Circuit
- P0A45Drive Motor B Position Sensor Circuit
- P0A3CDrive Motor A Inverter Performance
- P0A3DDrive Motor B Inverter Over Temperature
- P0A3EGenerator Inverter Over Temperature
- P0A41Drive Motor A Position Sensor Range/Performance
- P0A42Drive Motor A Position Sensor Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.