Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

volume stuck wide open after 07 Tahoe Nav radio upgrade

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Old July 8th, 2023, 11:09 AM
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Originally Posted by nescience2
This issue was fixed by dealer using tech 2.
Do not know 2 locations that were modified.
2008 Suburban.
I had cracked screen and radio wasn't working, and I've replaced the radio (same part#) and had dealer to program it. My volume was maxed out. I thought maybe volume **** doesn't work and purchased another radio, took it to a dealership for programming. Same problem: The volume is maxed out and **** doesn't work. Replaced the amplifier, and having the same problem. I paid for each programming ...
Then I found this forum ))
I believe dealer is nor programming it correctly. What should I tell them? Do they have a special update or firmware they need to use? How to explain them?

TIA
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