OBD-II code · Powertrain (generic, extended)

P2DBC Battery Charger B Coupler Lock Position Sensor Circuit

The ECM detects a circuit fault on the battery charger b coupler lock position sensor circuit. Reading cannot be used reliably for control.

Is it safe to drive with P2DBC?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelySensor failed
  • PossibleWiring or connector fault

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.