Powertrain
generic / SAE
P0485
Cooling Fan Power/Ground Circuit
A fault is detected in the supply or ground path of the cooling fan circuit. Voltage drops or open ground prevent reliable fan operation.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 85
Possible causes
- Ground connection open or corroded high
- Power supply circuit fault medium
- Connector damaged low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–500 €
- Estimated time: 0.5–2.5 h
- Component: cooling fan
- Component: cooling fan relay
- MIL / check engine light
Sources
References
sae:J2012