Powertrain
generic / SAE
P0A1C
Drive Motor A Phase U Current Sensor Circuit
The motor controller detects an electrical fault on the phase U current sensor of drive motor A. Phase current sensing is required for vector control of the synchronous machine.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 1C
Possible causes
- Current sensor failed high
- Inverter internal fault medium
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: shop only
- DIY: shop recommended
- Estimated cost: 800–4500 €
- Estimated time: 3–12 h
- Component: drive motor a
- Component: phase current sensor
- Component: inverter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012