P0CF3
Control Pilot Circuit /Open
The control pilot signal (SAE J1772 / IEC 61851 charging) reports a circuit /open condition. EV charging handshake compromised.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Open in pilot wireCommon
- EVSE charging cable disconnectedPossible
Parts involved
- Control Pilot Circuit
- Wiring Harness
- Bms
P0CF3 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.