Powertrain
generic / SAE
P0C56
Drive Motor B Position Sensor Circuit A Range/Performance
The position sensor channel A of drive motor B reports a range/performance fault. Phase commutation feedback impaired on this channel.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / 56
Possible causes
- Sensor mechanically offset high
- Electrical noise on signal line 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: 400–2500 €
- Estimated time: 2–8 h
- Component: drive motor b position sensor a
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012