Powertrain
generic / SAE
P0A64
Drive Motor A Phase W Current Low
Phase W current of the drive motor a is below the expected window. Indicates open winding or sensor offset.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 64
Possible causes
- Phase winding partially open high
- Current sensor offset drifted 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