Powertrain
generic / SAE
P2BEB
Hybrid/EV Battery Precharge Contactor Control Circuit B High
The control circuit B for the hybrid battery precharge contactor reports a high condition. Pre-charging the DC link before main contactor closure cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / EB
Possible causes
- Control wire shorted to B+ high
- Open contactor coil medium
- Pack cell imbalance approaching service threshold low
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–2200 €
- Estimated time: 2–7 h
- Component: hybrid precharge contactor b
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012