OBD-II code · Powertrain (generic)
P0D91 Battery Charger Coupler Lock Control Circuit/Open
The battery charger coupler lock control circuit reports a control circuit/open condition. The on-board charger negotiates voltage, current and safety with the EVSE; a fault interrupts charging or limits it to AC slow-charge despite a DC fast charger being attached.
Is it safe to drive with P0D91?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in actuator control wire
- PossibleOpen lock actuator
- Less likelyPin pushed back out of connector body
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 Coupler Lock Actuator, Wiring Harness, Bms
Related codes
- P0D8EBattery Charger Coupler Status Indicator Control Circuit C High
- P0D8FBattery Charger A Cooling System Performance
- P0D90Battery Charger Input Frequency Incorrect
- P0D92Battery Charger Coupler Lock Control Circuit Low
- P0D93Battery Charger Coupler Lock Control Circuit High
- P0D94Battery Charger Coupler Lock Control Circuit Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.