Powertrain
generic / SAE
P0CF4
Control Pilot Circuit Range/Performance
The control pilot signal (SAE J1772 / IEC 61851 charging) reports a circuit range/performance condition. EV charging handshake compromised.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberC / F4
Possible causes
- Pilot PWM signal drifted high
- High-resistance contact medium
- Sensor element aged beyond calibration window 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: 120–700 €
- Estimated time: 0.5–3 h
- Component: control pilot circuit
- Component: wiring harness
- Component: bms
- MIL / check engine light
Sources
References
sae:J2012