Powertrain
generic / SAE
P0BC1
Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit High
The supply voltage circuit of the HV battery pack cooling fan reports a circuit high condition. Cooling fan operation may be impaired.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberB / C1
Possible causes
- Wire shorted to higher voltage high
- Alternator overvoltage 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: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.5–3 h
- Component: hv battery cooling fan supply
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012