Wiring or connector fault in the control pilot circuit (open circuit, short, corrosion or poor pin contact); Damaged or contaminated charge inlet or port pins, including moisture or debris ingress; Faulty control pilot switch or its driver circuit inside the charge control module or onboard charger; Faulty charging cable or charge point not giving a valid pilot signal; Low 12 V battery voltage or poor power or earth supply to the charge control module; Outdated or faulty control unit software where the manufacturer lists it as a known cause.

P0CFD

Control Pilot Charging Switch A Stuck Off.

Generic
Powertrain
Generic code
Low severity

How this code is built

P: SystemPowertrain
0: Defined bySAE, the same on every car
C: AreaHybrid propulsion
FD: FaultThe specific fault in that area

What it means

P0CFD means the charge control module found that control pilot charging switch 'A' is stuck off. The control pilot is the signal line between the charge point or cable and the vehicle that sets up and manages charging. The control unit commanded the switch to close to signal that the vehicle is ready to charge, but the expected pilot signal or feedback did not appear. Exact switch location and strategy vary by model.

Symptoms

Vehicle will not start charging when plugged in
Charging starts then stops straight away
Charge port light or dashboard shows a charging fault
Charge point shows an error or never moves to a charging state
Warning light on, or a charging system message on the dash
Charging works on one charge point but not another

Possible causes

Wiring or connector fault in the control pilot circuit (open circuit, short, corrosion or poor pin contact)likely
Damaged or contaminated charge inlet or port pins, including moisture or debris ingresslikely
Faulty control pilot switch or its driver circuit inside the charge control module or onboard chargerpossible
Faulty charging cable or charge point not giving a valid pilot signalpossible
Low 12 V battery voltage or poor power or earth supply to the charge control modulepossible
Outdated or faulty control unit software where the manufacturer lists it as a known causerare

How to diagnose

Read all stored codes and freeze frame data, noting any related charging, communication or low voltage codes, then record and clear only to see if P0CFD returns
Try a different charging cable and charge point to rule out external equipment
Inspect the charge inlet and pins for damage, water, debris, corrosion or heat marks
Check the 12 V battery condition and charging voltage, plus the power and earth supplies to the charge control module
Inspect the control pilot wiring and connectors between the inlet and the control module for chafing, pin fit and corrosion
Use live data to compare the commanded and measured pilot state or voltage during a charge attempt, following the manufacturer's procedure for the model
Test the pilot circuit for continuity, shorts and resistance against the manufacturer's wiring data
Check for applicable software updates or service bulletins for the model

How to fix

Repair or replace damaged control pilot wiring or connectors
Clean or replace a damaged or contaminated charge inlet
Replace a faulty charging cable or have the charge point repaired
Restore a weak 12 V battery or repair supply and earth faults
Replace the charge control module or onboard charger if the switch circuit is confirmed faulty
Apply a manufacturer software update if the fault is a known calibration issue

Can I keep driving?

Low severity

The vehicle can normally be driven as usual, as this mainly affects charging. Book it in soon if you rely on charging, and stop using any charge point that shows signs of damage or overheating.

Guide written by AI from the code's definition. Confirm with a diagnosis before replacing parts.