Just wanted to get a idea of how many of you still have problems with your radio cutting out during the first few minutes of driving, my 2024 GMC Sierra still does this after a little over 2 years of complaining to my dealer about it, and OTA updates no longer complete, the check for updates in settings is greyed out for the second time while trying to install a update, my dealer took about a week to play around with it the first time this happened, and somehow got the check for updates to work, even though it would always show system is up to date when I knew it wasn't, now again 1 month later its greyed out again when the OTA update N25-F163BU tried to install, which ironically is the update to help with reliability of future updates.
I finally got it to start. It was a mix of a few issues. The frame ground was in bad shape so I ran a new one and cleaned up the area to get a good connection then covered it in rust reformer then bed liner to keep it as clean as possible. The other ground I found that looked suspect was on the frame toward the back of the truck near the bed. I did the same. After pulling the fuse box out from the engine bay I found a couple of wires that looked like at some point mice may have got ahold of it. That was an easy fix. After that i was able to get control power and was able to trace down a few more connections going to the other fuse panels in the cab. After that it finally started up and runs. It sounds like an angry school bus which I can work with. No OBD2 codes, but I think since its set for a long time I should pull the turbo and get it rebuilt or swapped out, but for now im good to go. Thanks for all the advice. It got me on the right track.
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