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P0D8A

Battery Charger Coupler Status Indicator Control Circuit B Low

The control circuit B of the battery charger coupler status indicator reports a control circuit low condition. Charging status display impaired.

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

Symptoms

  • Charge status indicator shows fault
  • Charging may not start or interrupts
  • Slower-than-expected charge rate

Common causes

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

  • Wire shorted to groundCommon
  • Lamp internal shortPossible

Parts involved

  • Battery Charger Coupler Status Indicator B
  • Wiring Harness
  • Bms

P0D8A 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.