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

P0CFD

Control Pilot Charging Switch A Stuck Off

The control pilot charging switch A reports a stuck off condition. SAE J1772 charging signal handshake may be compromised.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / FD

Possible causes

  • Contacts oxidised - high resistance high
  • Actuator failed medium
  • Carbon or debris buildup preventing free movement low

Symptoms

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

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 150–800 €
  • Estimated time: 0.5–3 h
  • Component: control pilot switch a
  • 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