OBD-II code · Powertrain (generic)
P0D14 Battery Charging System Negative Contactor A Control Circuit High
The negative contactor A of the battery charging system reports a control circuit high condition. HV charging path cannot be commanded reliably.
Is it safe to drive with P0D14?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyWire shorted to B+
- PossibleOpen coil
- Less likelyConnector pins corroded - high contact resistance
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 A, Wiring Harness, Bms
Related codes
- P2BD1Battery Charging System Negative Contactor B Control Circuit High
- P2D68Battery Charging System Negative Contactor C Control Circuit High
- P2D76Battery Charging System Negative Contactor D Control Circuit High
- P0D11Battery Charging System Negative Contactor A Control Circuit/Open
- P0D12Battery Charging System Negative Contactor A Control Circuit Range/Performance
- P0D13Battery Charging System Negative Contactor A Control Circuit Low
- P0D15Battery Charging System A High Voltage Interlock CircuitCircuit/Open
- P0D16Battery Charging System A High Voltage Interlock Circuit Performance
- P0D17Battery Charging System A High Voltage Interlock CircuitCircuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.