P2BCD
Battery Charging System Negative Contactor B Stuck Open
P2BCD is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor B Stuck Open. Common causes: mechanical contactor jamming, problems in control electronics. Estimated repair cost: $56–167.
Symptoms
- Battery won't charge
- The battery charge indicator on the dashboard lights up
- Problems starting the engine
- Reduced voltage in the on-board network
Causes
- Mechanical contactor jamming
- Problems in control electronics
- Open or short circuit in the contactor control circuit
- Wiring harness damage
- Faulty relays or fuses
How to Fix
- Check the condition of contactor B
- Check the integrity of the control and power circuits
- Check relays and fuses
- Replace faulty contactor if necessary
- Check the operation of the charging system after repair
Related codes
Error P2BCD by Vehicle Brand
FAQ
What does the P2BCD code mean?
P2BCD is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor B Stuck Open
What causes a P2BCD error code?
The most common causes of P2BCD include: Mechanical contactor jamming; Problems in control electronics; Open or short circuit in the contactor control circuit; Wiring harness damage.
How do I fix a P2BCD diagnostic trouble code?
To fix P2BCD: Check the condition of contactor B. Check the integrity of the control and power circuits. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2BCD?
Do not drive — repair immediately
How much does it cost to fix P2BCD?
The estimated repair cost for P2BCD is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat