P0B63
Hybrid/EV Battery Voltage Sense I Circuit
P0B63 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense I Circuit. Common causes: open or short circuit in the voltage measurement circuit, battery voltage sensor fault. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Increased fuel consumption (in hybrid vehicles)
- Incorrect display of battery charge level
- The car goes into emergency mode
Causes
- Open or short circuit in the voltage measurement circuit
- Battery voltage sensor fault
- Poor contact in circuit connectors
- Problems with the battery management module
- Corrosion of contacts in the measurement circuit
How to Fix
- Check the integrity of the wiring and connectors of the measurement circuit
- Test battery voltage sensors
- Clean contacts from corrosion
- Check the operation of the battery management module
- Replace faulty circuit components
Related codes
Error P0B63 by Vehicle Brand
FAQ
What does the P0B63 code mean?
P0B63 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense I Circuit
What causes a P0B63 error code?
The most common causes of P0B63 include: Open or short circuit in the voltage measurement circuit; Battery voltage sensor fault; Poor contact in circuit connectors; Problems with the battery management module.
How do I fix a P0B63 diagnostic trouble code?
To fix P0B63: Check the integrity of the wiring and connectors of the measurement circuit. Test battery voltage sensors. Clean contacts from corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B63?
Limited driving only, diagnose soon
How much does it cost to fix P0B63?
The estimated repair cost for P0B63 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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