P028D

Charge Air Cooler Cooling Fan Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Increased charge air temperature
Check Engine Light Is On

Causes

Intercooler cooling fan malfunction
Open or short circuit in wiring harness
Fan control relay malfunction
Problems with the engine control unit (ECU)

How to Fix

Check the operation of the intercooler cooling fan
Inspect the wiring harness for damage
Check fan control relay
Scan the ECU for errors

Related codes

P028C P028E P0299