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P023B - Charge Air Cooler Coolant Pump Control Circuit Low

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DTC DESCRIPTION P023B - CHARGE AIR COOLER COOLANT PUMP CONTROL CIRCUIT LOW

Description:  This DTC sets when the CAC circuit is shorted to ground or an internal failure of the charge air cooler (CAC) pump occurs.
Possible Causes: 
  • CAC circuit short to ground
  • Damaged CAC pump
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test KP.
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