OBD-II code · Powertrain (generic)

P0D15 Battery Charging System A High Voltage Interlock CircuitCircuit/Open

The HV interlock circuit of battery charging system A reports a circuit/open condition. Safety interlock chain may be compromised.

Is it safe to drive with P0D15?

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

Common causes

  • Most likelyInterlock chain interrupted
  • PossibleOpen in interlock wire
  • Less likelyPin pushed back out of connector body

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
2–6 h
Emissions test
Usually unaffected
Parts involved
Bcs A Hv Interlock, Wiring Harness, Bms

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