Powertrain
generic / SAE
P028C
Charge Air Cooler Cooling Fan Stuck On
CAC cooling fan runs continuously regardless of commanded state.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 8C
Possible causes
- Fan relay stuck closed high
- Carbon or debris buildup preventing free movement low
- Component wear with age - mechanical play low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 50–400 €
- Estimated time: 0.5–2 h
- Component: cac cooling fan
- Component: fan relay
- MIL / check engine light
Sources
References
sae:J2012