Powertrain
generic / SAE
P0A51
Drive Motor A Current Sensor Circuit
The current sensor of the drive motor A reports a circuit fault. Current measurement is unreliable. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 51
Possible causes
- 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: 300–1800 €
- Estimated time: 2–6 h
- Component: drive motor a current sensor
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012