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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Power Door Lock System And Release Systems - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B2494: Liftgate Handle Switch Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition » On / Vehicle » In Service Mode
  2. S58A Rear Compartment Lid Unlatch Switch - Exterior»Not Pressed

    Verify the scan tool parameter:Trunk Lid/Liftgate Window Exterior Unlatch Switch=Inactive

    • If not the specified state 

      Refer to: Circuit/System Testing

    • If the specified state 
  3. Operate the component:S58A Rear Compartment Lid Unlatch Switch - Exterior»Pressed

    Verify the scan tool parameter:Trunk Lid/Liftgate Window Exterior Unlatch Switch=Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • If the specified state 
  4. All OK.
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