Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / 91
Possible causes
- Open in actuator control wire high
- Open lock actuator medium
- Pin pushed back out of connector body low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 0.5–3 h
- Component: battery charger coupler lock actuator
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012