Powertrain
generic / SAE
P0E6C
Hybrid/EV Battery Precharge Contactor Control Circuit High
The HV battery precharge contactor reports a control circuit high condition. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 6C
Possible causes
- Wire shorted to B+ high
- Coil open medium
- Connector pins corroded - high contact resistance 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: 400–2500 €
- Estimated time: 2–8 h
- Component: precharge contactor
- Component: precharge resistor
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012