OBD-II code · Powertrain (generic, extended)
P2BCF Battery Charging System Negative Contactor B Control Circuit Range/Performance
The negative contactor B of the battery charging system reports a control circuit range/performance condition. HV charging path cannot be commanded reliably.
Is it safe to drive with P2BCF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCoil resistance drifted
- PossibleHigh-resistance contact in connector
- Less likelySensor element aged beyond calibration window
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
- P0D12Battery Charging System Negative Contactor A Control Circuit Range/Performance
- P2D66Battery Charging System Negative Contactor C Control Circuit Range/Performance
- P2D74Battery Charging System Negative Contactor D Control Circuit Range/Performance
- 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
- P2BD0Battery Charging System Negative Contactor B Control Circuit Low
- P2BD1Battery Charging System Negative Contactor B Control Circuit High
- P2BD2Exhaust Aftertreatment System A Leak
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.