P0BFCDrive Motor B Phase W Current Sensor Circuit High
The current sensor for drive motor B phase W reports a circuit high fault. Phase current measurement is unreliable.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
Sistema Afectado
Sistema Híbrido / EV · Batería HV y motor eléctrico
Pertenece al sistema de alto voltaje: batería de tracción, inversor o motor eléctrico.
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- EV/hybrid system warning light on Reduced motor power or torque Possible limp mode or vehicle shutdown
Possible Causes
The components or conditions that trigger this code
- 1Signal wire shorted to B+ Open sensor Connector pins corroded - high contact resistance
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: hard. Estimated time: 2-8 hours. Estimated cost: €400-€
- 2Professional repair recommended
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
HV electric system
* Diagnosis only: $50–$150
Quick Info
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