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CONDITION POSSIBLE CAUSES CORRECTION Vehicle doors locked Unlock doors Low battery voltage Check battery system voltage Blown fuse Check fuse and replace if required Failure of latch assembly Check ratchet and pawl switch status with Check for foreign matter or damaged Troubleshoot using body diagnostic Failure of outside handle switch Check for diagnostic trouble codes and Failure of Power Liftgate or Body Check for diagnostic trouble codes and Wiring problems (system or vehicle) Troubleshoot using electrical schematics. Binding or sticking of components Establish location of binding and replace Liftgate does not stay open Failure of liftgate prop rods Replace prop rods Excessive cold or weight on liftgate Check for added weight or extreme cold High opening effort Failure of liftgate prop rods Replace prop rods Check for broken attachments Drive unit jamed or did not Troubleshoot using Body Diagnostic Binding or sticking of components Establish location of binding and replace Liftgate continues to cinch Failure of Power Liftgate Module Check for diagnostic trouble codes and Wiring problems (system or vehicle) Troubleshoot using electrical schematics. Liftgate continues to open Failure of Power Liftgate Module Check for diagnostic trouble codes and Failure of full open switch Check switch status with DRB III Replace switch, if necessary Failure of motor assembly Check for continuous drive condition Wiring problems (system or vehicle) Troubleshoot using electrical schematics. Liftgate opens very slowly Low battery voltage Check battery electrical system voltage Failure of liftgate prop rods Replace prop rods, if necessary CS POWER LIFTGATE SYSTEM 8N - 5 POWER LIFTGATE SYSTEM (Continued) |