P2BCC
Battery Charging System Negative Contactor B Stuck Closed
P2BCC is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor B Stuck Closed. Common causes: negative contactor b fault, problems with the contactor control circuit. Estimated repair cost: $56–167.
Symptoms
- Problems with charging a high-voltage battery
- Warning messages on the dashboard
- Reduced vehicle performance
- The car may go into emergency mode
- Possible problems with starting
Causes
- Negative contactor B fault
- Problems with the contactor control circuit
- Short circuit in the system
- Mechanical sticking of contacts
- Problems with the battery management module
How to Fix
- High voltage system diagnostics (qualified technicians only)
- Checking control signals to the contactor
- Contactor Resistance Testing
- Replacing a faulty contactor
- Checking and updating the battery management module software
Related codes
Error P2BCC by Vehicle Brand
FAQ
What does the P2BCC code mean?
P2BCC is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor B Stuck Closed
What causes a P2BCC error code?
The most common causes of P2BCC include: Negative contactor B fault; Problems with the contactor control circuit; Short circuit in the system; Mechanical sticking of contacts.
How do I fix a P2BCC diagnostic trouble code?
To fix P2BCC: High voltage system diagnostics (qualified technicians only). Checking control signals to the contactor. Contactor Resistance Testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2BCC?
Do not drive — repair immediately
How much does it cost to fix P2BCC?
The estimated repair cost for P2BCC is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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