P0B1B
Hybrid/EV Battery Pack Voltage Sense C Circuit Low
P0B1B is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Voltage Sense C Circuit Low. Common causes: poor contact in the measuring circuit connectors, broken or damaged wiring. Estimated repair cost: $56–1667.
Symptoms
- Hybrid system power reduction
- Reducing electric range
- Check engine light is on
- Hybrid system warning
- The car goes into emergency mode
Causes
- Poor contact in the measuring circuit connectors
- Broken or damaged wiring
- Voltage measurement module malfunction
- Worn or faulty battery cells
- Problems with the battery management module
How to Fix
- Check the integrity of the wiring and connectors of the measurement circuit
- Test the battery voltage measurement module
- Check the insulation resistance of the high voltage system
- Diagnose and replace faulty battery cells
- Repair only from an authorized dealer
Related codes
Error P0B1B by Vehicle Brand
FAQ
What does the P0B1B code mean?
P0B1B is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Voltage Sense C Circuit Low
What causes a P0B1B error code?
The most common causes of P0B1B include: Poor contact in the measuring circuit connectors; Broken or damaged wiring; Voltage measurement module malfunction; Worn or faulty battery cells.
How do I fix a P0B1B diagnostic trouble code?
To fix P0B1B: Check the integrity of the wiring and connectors of the measurement circuit. Test the battery voltage measurement module. Check the insulation resistance of the high voltage system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B1B?
Limited driving only, diagnose soon
How much does it cost to fix P0B1B?
The estimated repair cost for P0B1B is $56–1667. Actual cost depends on your vehicle, location, and labor rates.
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