OBD-II code · Powertrain (generic, extended)
P2D71 Battery Charging System Negative Contactor D Stuck Closed
The negative contactor D of the battery charging system reports a stuck closed condition. HV charging path cannot be commanded reliably.
Is it safe to drive with P2D71?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyContactor contacts welded closed
- PossibleOutput driver stuck on
- Less likelyCarbon or debris buildup preventing free movement
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 D, Wiring Harness, Bms
Related codes
- P0D0FBattery Charging System Negative Contactor A Stuck Closed
- P2BCCBattery Charging System Negative Contactor B Stuck Closed
- P2D63Battery Charging System Negative Contactor C Stuck Closed
- P2D6EBattery Charging System Positive Contactor D Control Circuit Low
- P2D6FBattery Charging System Positive Contactor D Control Circuit High
- P2D70Battery Charging System Negative Contactor D Circuit
- P2D72Battery Charging System Negative Contactor D Stuck Open
- P2D73Battery Charging System Negative Contactor D Control Circuit/Open
- P2D74Battery Charging System Negative Contactor D Control Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.