Skip to content
Book on WhatsApp

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.

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

Common causes

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

  • Interlock chain interruptedCommon
  • Open in interlock wirePossible
  • Pin pushed back out of connector bodyLess likely

Parts involved

  • Bcs A Hv Interlock
  • Wiring Harness
  • Bms

P0D15 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.