OBD-II code · Powertrain (generic)
P0CFB Control Pilot Charging Switch A Circuit High
The control pilot charging switch A reports a circuit high condition. SAE J1772 charging signal handshake may be compromised.
Is it safe to drive with P0CFB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyWire shorted to B+
- PossibleSwitch open
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Control Pilot Switch A, Wiring Harness, Bms
Related codes
- P2DD1Control Pilot Charging Switch B Circuit High
- P0CF8Control Pilot Charging Switch A Circuit/Open
- P0CF9Control Pilot Charging Switch A Range/Performance
- P0CFAControl Pilot Charging Switch A Circuit Low
- P0CFCControl Pilot Charging Switch A Intermittent/Erratic
- P0CFDControl Pilot Charging Switch A Stuck Off
- P0CFEControl Pilot Charging Switch A Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.