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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. Verify DTC B384A 02 is not set.
    • Go to next step: If the DTC is not set 
  3. Perform the scan tool control function: Liftgate Open/Close - Open & Close

    Verify the correct operation: Power Liftgate (TB5) = Full Open & Close

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  4. All OK.