OBD-II code · Powertrain (generic, extended)

P2D5B Battery Charging System Positive Contactor C Circuit

The positive contactor C of the battery charging system reports a circuit condition. HV charging path cannot be commanded reliably.

Is it safe to drive with P2D5B?

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

Common causes

  • Most likelyContactor failed
  • PossibleWiring or connector fault

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 C, Wiring Harness, Bms

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