P0B59
Hybrid/EV Battery Voltage Sense G Circuit
P0B59 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense G Circuit. Common causes: open or short circuit in the sensor circuit, battery voltage sensor fault. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Reduced electric range
- Incorrect battery level display
- The car goes into emergency mode
Causes
- Open or short circuit in the sensor circuit
- Battery voltage sensor fault
- Connector problems or contact corrosion
- Battery management module malfunction
- Damage to the high voltage system wiring harness
How to Fix
- Check the integrity of the voltage measurement circuit
- Inspect and clean connector contacts
- Test battery voltage sensors
- Check the operation of the battery management module
- Replace damaged circuit components
Related codes
Error P0B59 by Vehicle Brand
FAQ
What does the P0B59 code mean?
P0B59 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense G Circuit
What causes a P0B59 error code?
The most common causes of P0B59 include: Open or short circuit in the sensor circuit; Battery voltage sensor fault; Connector problems or contact corrosion; Battery management module malfunction.
How do I fix a P0B59 diagnostic trouble code?
To fix P0B59: Check the integrity of the voltage measurement circuit. Inspect and clean connector contacts. Test battery voltage sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B59?
Do not drive — repair immediately
How much does it cost to fix P0B59?
The estimated repair cost for P0B59 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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