P0B57
Hybrid/EV Battery Voltage Sense F Circuit High
P0B57 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense F Circuit High. Common causes: battery voltage sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Reducing electric range
- Incorrect battery level readings
Causes
- Battery voltage sensor fault
- Open or short circuit in the sensor circuit
- Wiring harness damage
- Problems with the battery management module
- Malfunction of the hybrid battery itself
How to Fix
- Check the continuity of the voltage sensor circuit
- Test battery voltage sensor
- Inspect the wiring harness for damage
- Check the operation of the battery management module
- Diagnose the condition of the hybrid battery
Related codes
Error P0B57 by Vehicle Brand
FAQ
What does the P0B57 code mean?
P0B57 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense F Circuit High
What causes a P0B57 error code?
The most common causes of P0B57 include: Battery voltage sensor fault; Open or short circuit in the sensor circuit; Wiring harness damage; Problems with the battery management module.
How do I fix a P0B57 diagnostic trouble code?
To fix P0B57: Check the continuity of the voltage sensor circuit. Test battery voltage sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B57?
Do not drive — repair immediately
How much does it cost to fix P0B57?
The estimated repair cost for P0B57 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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