P028F
Charge Air Cooler Cooling Fan Control Circuit Driver Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check the charging system and ensure it is producing enough power for the charge air cooler cooling fan.
- Inspect the charge air cooler cooling fan wiring and connections for any loose or damaged components.
- Test the charge air cooler cooling fan control circuit driver for proper functionality.
- Replace the charge air cooler cooling fan if it is faulty or not operating at the required performance level.
- Consult the vehicle or motorcycle manufacturer's technical manual for further diagnostic and repair steps.
Common causes
Most likely first
- Faulty charge air cooler cooling fan
- Malfunctioning cooling fan control circuit
- Issue with the driver of the charge air cooler cooling fan circuit
- Defective temperature sensor in the charge air cooler
- Wiring or connection problem in the charge air cooler cooling system
How to diagnose & fix
Work through it in order
- Overheating of the charge air cooler
- Inadequate performance or reduced power
- Illumination of the check engine light
- Irregular engine idle or stalling
- Increased fuel consumption
Read & clear P028F yourself
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