P0BF1
Drive Motor B Phase U Current Sensor Circuit
What it means
P0BF1 means Drive Motor B Phase U Current Sensor Circuit.
Where it lives
For P0BF1, the sensor sits on the circuit this code reports. The description of P0BF1 reports a fault at the sensor.
Check these first
- A failed drive motor B phase U current sensor
- An open or short in the phase U sensor wiring
- Corrosion or water in the phase U sensor connector
- A motor control module fault misreading phase U
What to do next
- Read drive motor B phase U current on a scan tool
- Inspect the phase U sensor and its connector
- Test the phase U sensor circuit for an open or short
- Measure the phase U current sensor output against spec
- Replace the phase U current sensor if the circuit tests good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.