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P2D5C

Battery Charging System Positive Contactor C Stuck Closed

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

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: hard

Common causes

Ordered by how often each turns out to be the cause.

  • Contactor contacts welded closedCommon
  • Output driver stuck onPossible
  • Carbon or debris buildup preventing free movementLess likely

Parts involved

  • Bcs Pos Contactor C
  • Wiring Harness
  • Bms

P2D5C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.