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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 176 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P15A3: Stop/Start Select Switch Circuit Signal Message Counter Incorrect >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON
  2. Verify no DTCs are set in the K9 Body Control Module.
    • If no DTCs are set 
  3. Verify the scan tool Autostop Disable Reason - Stop/Start Select Switch parameter changes between Yes and No when pressing and releasing the Autostop switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing

    • If the parameter changes 
  4. All OK.
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