Powertrain
generic / SAE
P0A85
Hybrid/EV Battery Pack Cooling Fan 1 Control Circuit High
Voltage on the HV battery pack cooling fan 1 control circuit is above the expected window. Wire shorted to B+ or driver open.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 85
Possible causes
- Control wire shorted to B+ high
- Open fan motor 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: hybrid battery cooling fan 1
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012