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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B384A: Liftgate Close Switch Indicator Circuit >> Circuit/System Verification

Circuit/System Verification

  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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