P0B13
Hybrid/EV Battery Pack Current Sensor A/B Correlation
Generic OBD-II
Common symptoms
What you'll notice
- Check for loose or corroded connections in the hybrid/EV battery pack current sensor circuit.
- Inspect the sensor for any signs of damage or malfunction, such as a broken wire or sensor housing.
- Reset the vehicle's onboard computer system to clear any stored error codes and retest the sensor functionality.
- Replace the hybrid/EV battery pack current sensor if all other potential issues have been ruled out.
Common causes
Most likely first
- Faulty hybrid/EV battery pack current sensor
- Loose or corroded electrical connections related to the hybrid/EV battery pack current sensor
- Malfunctioning hybrid/EV battery pack
- Defective hybrid/EV battery management system
- Sensor calibration or programming issues
How to diagnose & fix
Work through it in order
- Check engine light illuminates on the dashboard
- Decreased fuel efficiency
- Vehicle hesitates during acceleration
- Loss of power or reduced engine performance
- Vehicle starts but struggles to maintain a constant speed
Read & clear P0B13 yourself
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