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door alignment on 2018 GMC Sierra Denali pick up.

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    • By Clint Casanova
      My 2016 Suburban’s auxiliary ports and features (USBs, wireless charging pad, 12V) blink off briefly when the doors are shut while cranked. This can cause my aftermarket headrest monitors to power off and back on if I get out of a cranked car to pump gas, hand a kid something in the back seat, run into gas station or restaurant, etc. This is extremely frustrating on road trips, making a pit stop and having to turn the TVs back on, DVD player back on, etc. 
      Sometimes if the key fob is left in the car it won’t blink off, but not always. Every time this happens I hear a click, like a light blinking, behind the dash as the door is closed. What is happening back there, triggered by the door closing, that’s causing a sudden loss of power to so many auxiliary items? 
      Attached video shows what happens to a cranked car when the door is closed with fob outside the car. I have a Blu-ray player, wired into a wire in the dash labeled for the BCM, but several other items have the same reaction to shutting the door while cranked with fob outside. 
      Much thanks. 
    • By B Rouss
      door alignment issues on 2018 GMC Sierra Denali 
    • By Barry Boswell
      Something that should be noted. I have now had experience with three Chevy/GMC trucks. Every time it rains/snows the speakers, sometimes the windows, side mirror controls won't work for 2-5 days, not until the inside of the doors dry out. Even with the weatherpfoofing foam panel that supposedly seals the interior of the door cavity, moisture still penetrates the space, shorts the various components. My friends work truck, door speakers could be counted on to stop playing after every rain or snowfall for 3-5 days. Once dried out-no problem, everything worked fine again. Noticed same thing on girlfriends truck and another friends personal truck.
      Just wanted everyone to be aware, this is definitely an issue with our Chevy/GMC Trucks. If something suddenly stops working in the door, dry out with a blow dryer or wait several days before you buy speakers or other parts to fix a problem. You may just need to pop you door panel and add some silicone sealant here and there. Did that with girlfriends truck. Fixed speakers going out intermittently.
    • By Tburd
      Does anybody know what the 2019 Sierra body parts are made from? The doors, hood and tailgate seem to be made of some type of composite material. I'm having it rustproofed and just am curious.
    • By fullrange
      I have a 2004 Chevy Silverado 1500. The door lock on the driver side rear works sometimes, the driver side works sometimes, and the passenger side front does not work. I replaced the actuator on the passenger side door and that didn't work. I've had this door fixed for this problem many times when it was under warranty from the dealer. Now today all door locks worked for a couple of times and now its back to the old problem. The door lock on the driver side rear works sometimes, the driver side works sometimes, and the passenger side front does not work. Also, the driver door and driver rear door locks sometimes when you put it in drive and then unlocks when you put it in park. This is driving me crazy. Does anyone know what is going on with this? and how to fix this?
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