OBD-II code · Powertrain (generic, extended)
P2DD2 Control Pilot Charging Switch B Intermittent/Erratic
The control pilot charging switch B reports a intermittent/erratic condition. SAE J1772 charging signal handshake may be compromised.
Is it safe to drive with P2DD2?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyConnector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
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
- P0CFCControl Pilot Charging Switch A Intermittent/Erratic
- P2DCFControl Pilot Charging Switch B Range/Performance
- P2DD0Control Pilot Charging Switch B Circuit Low
- P2DD1Control Pilot Charging Switch B Circuit High
- P2DD3Control Pilot Charging Switch B Stuck Off
- P2DD4Control Pilot Charging Switch B Stuck On
- P2DD5Fuel Injection Quantity B Lower Than Expected
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.