P2BCD

Battery Charging System Negative Contactor B Stuck Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

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

P2BCC P2BCE P2BCF