Powertrain
generic / SAE
P2E37
Battery Charger B Enable Circuit High
Battery charger B reports a enable circuit high condition. HV charging operation may be impaired. 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
GroupP2
Range / numberE / 37
Possible causes
- Wire shorted to B+ high
- Pull-down resistor open medium
- Connector pins corroded - high contact resistance low
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3000 €
- Estimated time: 2–8 h
- Component: battery charger b
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012