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P2D7B

Charging Stop Switch Circuit Low

The charging stop switch reports a circuit low condition. Charging termination cannot be reliably commanded by the operator.

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

Common causes

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

  • Signal wire shorted to groundCommon
  • Switch stuck offPossible
  • Connector pins corroded - high contact resistanceLess likely

Parts involved

  • Charging Stop Switch
  • Wiring Harness
  • Bms

P2D7B 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.