P0BF1
Drive Motor B Phase U Current Sensor Circuit
P0BF1 is an OBD-II diagnostic trouble code meaning: Drive Motor B Phase U Current Sensor Circuit. Common causes: phase u current sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced motor power
- System transition to emergency mode
- Unstable operation of the hybrid system
- Increased fuel consumption (in hybrid systems)
Causes
- Phase U current sensor fault
- Open or short circuit in the sensor circuit
- Wiring harness damage
- Corrosion of electrical connections
- Control module malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check resistance and sensor signals
- Inspect electrical connections for corrosion
- Replace current sensor if necessary
- Check and replace wiring harness if necessary
Related codes
Error P0BF1 by Vehicle Brand
FAQ
What does the P0BF1 code mean?
P0BF1 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Phase U Current Sensor Circuit
What causes a P0BF1 error code?
The most common causes of P0BF1 include: Phase U current sensor fault; Open or short circuit in the sensor circuit; Wiring harness damage; Corrosion of electrical connections.
How do I fix a P0BF1 diagnostic trouble code?
To fix P0BF1: Check the integrity of the sensor circuit. Check resistance and sensor signals. Inspect electrical connections for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0BF1?
Do not drive — repair immediately
How much does it cost to fix P0BF1?
The estimated repair cost for P0BF1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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