Powertrain
generic / SAE
P0A46
Drive Motor B Position Sensor Circuit Range/Performance
The drive motor B rotor position sensor reports a circuit range/performance fault. Phase commutation cannot be controlled reliably.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 46
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
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012