Powertrain
generic / SAE
P0BF8
Drive Motor B Phase V Current Sensor Circuit High
The current sensor for drive motor B phase V reports a circuit high fault. Phase current measurement is unreliable.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberB / F8
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance 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 phase v current sensor
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012