Suddenly my rear access door and backseat Windows locked and will not open. I can unlock the doors from the inside only, rear access, not at all.

Asked by Nov 05, 2015 at 06:05 PM about the 2003 GMC Yukon Denali AWD

Question type: Maintenance & Repair

The rear windows locked and can only be opened manually from inside.  The
rear access door, which has no overriding key lock seems permanently shut.  
No luck with the Owners's Manual.

1 Answer

94,975

Did you loose them both at the same time? If so start looking for a broken power wire in the body harness that goes to the rear of the vehicle, you will have to remove the kick panels and door sill plates to gain access to the wiring, also check the connectors.

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