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    [SOLVED] Cannot figure out where clunking sound is coming from when going over bumps.

    I know it might be a longshot but it happened to me 2 weeks ago. Mine was self induced because I had taken my jack out and didn't get it back into it's holder correctly and it came loose and was rattling around when I hit larger bumps. It's drivers side rear just behind the wheel well so it...
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    Phone Mounts?

    I have the one from https://coursemotorsports.com It screws into the back of the center screen on my 2020 and allows it to move up/down with the display. Nice solid mount that doesn't use any glue and doesn't alter the dash any.
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    Lock,unlock on outside handle does not always work

    I had this problem with my 2020 Yukon, drivers door was intermittent to unlock but all the other doors worked fine. Also had the issue that the remote start range of the truck was getting shorter. I ended up changing the antenna amp on the rear passenger side window and it solved both issues...
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    Suburban 2020 Suburban auto shut off at idle

    From my 2020 Yukon manual it says key out of the truck it will shut off after 30 minutes, key in shuts off after an hour if it is left in park.
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    Nav update

    What is the latest software version for the 2015 - 2020 truck models? Mine is showing map software version 84513064. I can't seem to find anywhere that lists what versions were available before GM took them all down.
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    2015 AC Only Cold When Driving

    From the electrical manual I have on our trucks the fans use the A/C pressure sensor to vary fan speed through the engine ECM once it reaches a set pressure. Your A/C pressure sensor may be funky, it's a three wire setup per the wire prints. I would say if you have already verified the system...
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    Brightest D3S bulb for factory housing

    I've never tried the 55w ballast route but I have a direct plug and play 35W LED D3 bulbs in mine and so far pretty happy with them. They plug into the ballast just like an HID bulb so they just drop right into the housing. Put them in back in January so not a long term test yet for durability...
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    Strange headlight power-off issue… 2019 Yukon

    I have a 2020 yukon xl denali and this seems to be how mine work. Kill the motor and headlights turn off, open door and they come back on. Did this with both the HID bulbs and LED bulbs. I wasn't sure if that "feature" would damage the HID ballasts/bulbs so I got into the habit of opening my...

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