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P028E - Charge Air Cooler Cooling Fan Control Circuit High

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DTC DESCRIPTION P028E - CHARGE AIR COOLER COOLING FAN CONTROL CIRCUIT HIGH

Description:  This DTC sets when the PCM detects a short to voltage in the CACCF circuit.
Possible Causes: 
  • Damaged charge air cooler (CAC) fan relay
  • CACCF circuit short to voltage
  • Damaged harness connector
  • Damaged harness
Diagnostic Aids:  Check the harness for intermittent concerns, incorrect connections, routing, alterations and damage due to contact with other components.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KF.
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