Question about 2003 GMC Yukon Denali

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Rear doors not unlocking

Recently my 2003 Gmc Denali has developed intermittent problems with the rear lift gate and rear doors not unlocking with the remotes or door switch. The front driver and passenger doors always unlock. I have pulled all the doors apart and everything is well lubricated and appears fine. My question is- Is there some module that controls the rear doors and lift gate that could be causing the problem?

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  • mia6570 Oct 29, 2008

    Thank-you 4hilton. I did this just prior to your solution and it did indeed fix the problem! Thank-you!!!

  • mia6570 Oct 29, 2008

    Thanks 4hilton I did just this just prior to your advice and it did indeed fix the issue! Thanks again!!!

  • abarajas611 Jan 18, 2009

    Recently my 2005 Gmc Yukon has developed intermittent problems with the rear lift gate and rear doors not unlocking with the remotes or door switch. The front driver and passenger doors always unlock.

  • dorrsi Mar 22, 2009

    2005 Denali Rear door won't unlock. At first the problem was intermittent, but now it won't unlock at all.

  • Anonymous Mar 16, 2014

    remote does not unlock door

  • Anonymous Mar 30, 2014

    Rear climate control not working, rear doors will not unlock with the power button.

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Replace the door lock / unlock relay in the fuse box next to the driver side door. no problem since than.

Posted on Oct 29, 2008

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--------------

These details will help.
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