P0CFA: Control Pilot Charging Switch A Circuit Low
What to do
As P0CF8 — the switch is the car's side of the handshake, so this points inside the vehicle rather than at the inlet or the charge point.
What this code means
Control Pilot charging switch A's circuit is reading low. What the switch does is at P0CF8 and the pilot handshake at P0CF3.
Likely causes
Start here
- Faulty on-board charger · specialist
- Corroded or loose connector · easy
Less common
- Damaged charging inlet or pins · moderate
- Water ingress into connector · easy
Symptoms
Components involved
Information, not instruction
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Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Community experience
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- The car — make, model, year and engine. The same fault behaves differently on each.
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