Powertrain
generic / SAE
P0A63
Drive Motor A Phase W Current
The drive motor a phase W current measurement reports a generic fault. Phase commutation cannot be controlled reliably.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 63
Possible causes
- Phase current sensor failed high
- Wiring fault medium
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 800–5000 €
- Estimated time: 3–16 h
- Component: drive motor a phase w
- Component: inverter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012