Powertrain
generic / SAE
P0A81
Hybrid Battery Pack Cooling Fan 1 Performance
BMS detects that the battery pack cooling fan 1 does not produce expected airflow or speed, leading to insufficient cooling under load.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 81
Possible causes
- Fan motor worn high
- Cooling duct blocked medium
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: 200–1500 €
- Estimated time: 1–5 h
- Component: battery cooling fan
- Component: fan motor
- Component: air duct
- MIL / check engine light
Sources
References
sae:J2012