Powertrain
generic / SAE
P0A56
Drive Motor B Current Sensor Circuit Range/Performance
The current sensor of the drive motor B reports a circuit range/performance fault. Current measurement is unreliable.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 56
Possible causes
- Current sensor offset drifted high
- Magnetic offset from nearby parts medium
- Sensor element aged beyond calibration window low
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 b current sensor
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012