OBD-II code · Powertrain (generic, extended)
P2DC0 Battery Charger B Coupler Lock Position Sensor Circuit Intermittent/Erratic
The ECM detects a circuit intermittent/erratic fault on the battery charger b coupler lock position sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P2DC0?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector 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
- Battery Charger B Coupler Lock Sensor, Wiring Harness, Bms
Related codes
- P2DBDBattery Charger B Coupler Lock Position Sensor Circuit Range/Performance
- P2DBEBattery Charger B Coupler Lock Position Sensor Circuit Low
- P2DBFBattery Charger B Coupler Lock Position Sensor Circuit High
- P2DC1Starter/Generator Phase X Current Sensor Circuit
- P2DC2Starter/Generator Phase X Current Sensor Circuit Range/Performance
- P2DC3Starter/Generator Phase Y Current Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.