OBD-II code · Powertrain (generic, extended)
P2BC7 Battery Charging System Positive Contactor B Control Circuit/Open
The positive contactor B of the battery charging system reports a control circuit/open condition. HV charging path cannot be commanded reliably.
Is it safe to drive with P2BC7?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in coil control wire
- PossibleOpen contactor coil
- Less likelyPin pushed back out of connector body
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 Pos Contactor B, Wiring Harness, Bms
Related codes
- P0D0ABattery Charging System Positive Contactor A Control Circuit/Open
- P2D5EBattery Charging System Positive Contactor C Control Circuit/Open
- P2D6CBattery Charging System Positive Contactor D Control Circuit/Open
- P2BC4Battery Charging System Positive Contactor B Circuit
- P2BC5Battery Charging System Positive Contactor B Stuck Closed
- P2BC6Battery Charging System Positive Contactor B Stuck Open
- 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
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.