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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On/Vehicle - In Service Mode
  2. Perform the scan tool control function: Rear Body Closure Unlatch - Unlatch

    Verify a click can be heard or felt at the component when the scan tool control function was commanded: A23C Liftgate Latch Assembly

    • If a click cannot be heard or felt 

      Refer to: Circuit/System Testing - Test 1

    • Go to next step: If a click can be heard or felt 
  3. Operate the component: S46 Liftgate Handle Switch - Pressed

    Verify a click can be heard or felt at the component when the scan tool control function was commanded: A23C Liftgate Latch Assembly

    • If a click cannot be heard or felt 

      Refer to: Circuit/System Testing - Test 2

    • Go to next step: If a click can be heard or felt 
  4. All OK.