OBD-II code · Powertrain (generic, extended)

P2D76 Battery Charging System Negative Contactor D Control Circuit High

The negative contactor D of the battery charging system reports a control circuit high condition. HV charging path cannot be commanded reliably.

Is it safe to drive with P2D76?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyControl wire shorted to B+
  • PossibleOpen contactor 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 D, Wiring Harness, Bms

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.