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Home >> Cadillac >> 2016 >> ATS Base, 2D Coupe, AWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P1066: Stop-Start Capacitor Control Module Status Message Counter >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC U135C, or U1347 is not set.
    • If none of the DTCs are set 
  3. Operate the vehicle within the Conditions for Running the DTC.
  4. Verify DTC P1066 does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  5. All OK