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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 333 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B384A: Liftgate Close Switch Indicator Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the backlight within the B70 Liftgate Close Switch turns ON and dims when commanding the LED Backlight Dimming Command with a scan tool.
    • If the backlight is always ON or always OFF 

      Refer to Circuit/System Testing.

    • If the backlight turns ON and turns OFF 
  3. All OK.
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