OBD-II code · Powertrain (generic, extended)
P2BCB Battery Charging System Negative Contactor B Circuit
The negative contactor B of the battery charging system reports a circuit condition. HV charging path cannot be commanded reliably.
Is it safe to drive with P2BCB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyContactor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Bcs Neg Contactor B, Wiring Harness, Bms
Related codes
- P0D0EBattery Charging System Negative Contactor A Circuit
- P2D62Battery Charging System Negative Contactor C Circuit
- P2D70Battery Charging System Negative Contactor D Circuit
- P2BC8Battery Charging System Positive Contactor B Control Circuit Range/Performance
- P2BC9Battery Charging System Positive Contactor B Control Circuit Low
- P2BCABattery Charging System Positive Contactor B Control Circuit High
- P2BCCBattery Charging System Negative Contactor B Stuck Closed
- P2BCDBattery Charging System Negative Contactor B Stuck Open
- P2BCEBattery Charging System Negative Contactor B Control Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.