P2BCB
Battery Charging System Negative Contactor B Circuit
P2BCB is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor B Circuit. Common causes: negative contactor b fault, open or short circuit in the contactor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Problems with charging a high-voltage battery
- The car goes into emergency mode
- An error message appears on the dashboard
Causes
- Negative contactor B fault
- Open or short circuit in the contactor circuit
- Contactor relay problems
- Malfunction of the hybrid system control unit
- Corrosion or poor contact in connectors
How to Fix
- Check the condition of contactor B
- Check the integrity of the wiring and connectors in the circuit
- Check the functionality of the contactor relay
- Scan the hybrid system control unit for errors
- Replace faulty contactor or circuit components
Related codes
Error P2BCB by Vehicle Brand
FAQ
What does the P2BCB code mean?
P2BCB is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor B Circuit
What causes a P2BCB error code?
The most common causes of P2BCB include: Negative contactor B fault; Open or short circuit in the contactor circuit; Contactor relay problems; Malfunction of the hybrid system control unit.
How do I fix a P2BCB diagnostic trouble code?
To fix P2BCB: Check the condition of contactor B. Check the integrity of the wiring and connectors in the circuit. Check the functionality of the contactor relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2BCB?
Limited driving only, diagnose soon
How much does it cost to fix P2BCB?
The estimated repair cost for P2BCB is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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