OBD-II code · Powertrain (generic)

P0D97 Battery Charger Coupler Unlock Control Circuit High

The battery charger coupler unlock control circuit reports a control circuit high condition. The on-board charger negotiates voltage, current and safety with the EVSE; a fault interrupts charging or limits it to AC slow-charge despite a DC fast charger being attached.

Is it safe to drive with P0D97?

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

Common causes

  • Most likelyWire shorted to B+
  • PossibleOpen actuator
  • Less likelyConnector pins corroded - high contact resistance

Symptoms

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

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
Parts involved
Battery Charger Coupler Unlock Actuator, Wiring Harness, Bms

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