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Software Update - What's changed?


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Posted

I have a 2019 GMC Sierra AT4.  My truck just downloaded/installed a software update this morning.  There's no description of the changes made, so I'm curious, does anyone know how to find out what changes were made? 

Posted

Probably infotainment system from 503 to 809, or 509 to 803, I forget which but most have said including myself that we’ve seen no changes with the update.

 

Posted

Yeah, what version is your AT4 now running? 803.1 was the most previously updated version IIRC. Most trucks have just been updating to this version in the past month or two. 

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