OBD-II code · Powertrain (generic, extended)
P2DD3 Control Pilot Charging Switch B Stuck Off
The control pilot charging switch B reports a stuck off condition. SAE J1772 charging signal handshake may be compromised.
Is it safe to drive with P2DD3?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyContacts oxidised - high resistance
- PossibleActuator failed
- Less likelyCarbon or debris buildup preventing free movement
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
- P0CFDControl Pilot Charging Switch A Stuck Off
- P2DD0Control Pilot Charging Switch B Circuit Low
- P2DD1Control Pilot Charging Switch B Circuit High
- P2DD2Control Pilot Charging Switch B Intermittent/Erratic
- P2DD4Control Pilot Charging Switch B Stuck On
- P2DD5Fuel Injection Quantity B Lower Than Expected
- P2DD6Fuel Injection Quantity B Higher Than Expected
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.