OBD-II code · Powertrain (generic, extended)
P2DCF Control Pilot Charging Switch B Range/Performance
The control pilot charging switch B reports a range/performance condition. SAE J1772 charging signal handshake may be compromised.
Is it safe to drive with P2DCF?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySwitch contacts aged
- PossibleHigh-resistance contact
- Less likelySensor element aged beyond calibration window
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 B, Wiring Harness, Bms
Related codes
- P0CF9Control Pilot Charging Switch A Range/Performance
- P2DCCStarter/Generator Position Sensor Correlation
- P2DCDParticulate Filter B Incorrect
- P2DCEControl Pilot Charging Switch B Circuit/Open
- P2DD0Control Pilot Charging Switch B Circuit Low
- P2DD1Control Pilot Charging Switch B Circuit High
- P2DD2Control Pilot Charging Switch B Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.