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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> Liftgate Ajar Indicator Malfunction (TC2) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Operate the component: Open the liftgate.

    Verify the scan tool parameter: Rear Gate Ajar = Ajar

    • If the parameter value does not change 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter value changes 
  3. Operate the component: Close the liftgate.

    Verify the scan tool parameter: Rear Gate Ajar = Closed

    • If the parameter value does not change 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter value changes 
  4. All OK.
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