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  1. #1
    Join Date
    Oct 2008
    Gravenhurst, Ontario, Canada

    Unhappy Rear doors will not open

    Having a problem opening the automatic rear doors on my 2004 HD2500 Sierra Crew Cab. I had set the little tabs on both rear doors to child lock then when I reset them back to unlock, they would not work. They will lock automatically but I have to unlock them manually. All doors should unlock when truck is shifted into park (DIC). I have tried everything in the manual to no avail. The keyless transmitter will also not unlock them. Any help would be greatly appreciated.

    Thanks Gregg

  2. #2
    Jr. Engineer moosetags's Avatar
    Join Date
    Jan 2008
    Santa Rosa Beach, Florida, in the Florida Panhandle, so far out that we are in the Central Time Zone

    Default Greetings from the Florida Panhandle

    I might consider a complete reset. Try disconnecting the battery for a few minutes, and then reconnect it. Keep in mind that if you do this, you will need to reset all of your DIC preferences and radio settings.

    Good luck.

    Brian McCabe
    Santa Rosa Beach, Florida
    '05 Yukon XL 2500 Quadrasteer
    '11 Silverado 3500

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