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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Battery, Charging System And Starting System - Except Hybrid) >> Diagnostic Information and Procedures >> DTC P15A2: Stop/Start Select Switch Circuit Signal >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON
  2. Verify the scan tool Stop/Start Select Switch parameter changes between Active and Inactive when pressing and releasing the ECO switch or S124 Stop/Start Select Switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing

    • If the parameter changes 
  3. All OK.
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