P0B48
Hybrid/EV Battery Voltage Sense C Circuit High
P0B48 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense C Circuit High. Common causes: battery voltage sensor fault, damaged or corroded circuit c wiring. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced vehicle power
- Reduced electric range
- Incorrect battery level readings
- Switching to emergency mode
Causes
- Battery voltage sensor fault
- Damaged or corroded circuit C wiring
- Problems with sensor connectors
- Battery management module (BMS) malfunction
- Increased resistance in the circuit
How to Fix
- Check the integrity of the wiring and connectors of circuit C
- Test battery voltage sensor
- Check the operation of the battery management module
- Replace damaged circuit components
- Reset the error and take a test drive
Related codes
Error P0B48 by Vehicle Brand
FAQ
What does the P0B48 code mean?
P0B48 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense C Circuit High
What causes a P0B48 error code?
The most common causes of P0B48 include: Battery voltage sensor fault; Damaged or corroded circuit C wiring; Problems with sensor connectors; Battery management module (BMS) malfunction.
How do I fix a P0B48 diagnostic trouble code?
To fix P0B48: Check the integrity of the wiring and connectors of circuit C. Test battery voltage sensor. Check the operation of the battery management module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B48?
Do not drive — repair immediately
How much does it cost to fix P0B48?
The estimated repair cost for P0B48 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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