P028A
Charge Air Cooler Cooling Fan Control Circuit/Open
Open circuit at the charge air cooler cooling fan (electric fan helping to cool the intercooler).
Open circuit at the charge air cooler cooling fan (electric fan helping to cool the intercooler).
Common causes
- high
Wiring break
One of the most commonly reported causes for this code — check this first.
Typical part cost: $110-880
- low
Pin pushed back out of connector body
Less common, but worth ruling out after the more likely causes.
Typical part cost: $110-880
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P028A mean?
P028A means "Charge Air Cooler Cooling Fan Control Circuit/Open". It is a generic OBD-II code that points to a fault in the fuel & air metering (injector circuit).
What are the most common causes of P028A?
wiring break; pin pushed back out of connector body; cracked solder joint inside the module or sensor — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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