P0BF3
Drive Motor B Phase U Current Sensor Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the motor B phase U current sensor circuit
- Test the motor B phase U current sensor for proper functioning and replace if necessary
- Inspect the motor B phase U circuit for any signs of damage or wear
- Verify and adjust the motor B phase U current levels as per manufacturer's specifications
Common causes
Most likely first
- Faulty drive motor B phase U current sensor
- Loose or corroded wiring connections in the drive motor B phase U current sensor circuit
- Damage or wear to the drive motor B phase U current sensor circuit
- Malfunctioning drive motor B phase U current sensor
- Issues with the power supply or ground connection for the drive motor B phase U current sensor circuit
How to diagnose & fix
Work through it in order
- Decreased power or acceleration
- Illuminated warning light
Read & clear P0BF3 yourself
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