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U066D - Lost Communication With Charge Air Cooler Temperature Sensor Bank 1

DTC DESCRIPTION U066D - LOST COMMUNICATION WITH CHARGE AIR COOLER TEMPERATURE SENSOR BANK 1

Description:  This DTC sets when the PCM no longer receives a signal from the charge air cooler temperature (CACT) sensor.
Possible Causes: 
  • CACT circuit concerns
  • Damaged charge air cooler temperature sensor
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DN.