OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P0D17

Battery Charging System A High Voltage Interlock CircuitCircuit Low

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

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / 17

Possible causes

  • Wire shorted to ground high
  • Interlock grounded medium
  • Connector pins corroded - high contact resistance low

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 300–2000 €
  • Estimated time: 2–6 h
  • Component: bcs a hv interlock
  • Component: wiring harness
  • Component: bms
  • MIL / check engine light
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication