If the touch screen is not working in Your 2015 GMC Sierra the first thing that You should do is try to reset the system. The most likely reason that it is not working is due to a software problem that has caused it to freeze over time. If resetting it does not work, or it is not turning on at all then You should check the fuse to the radio. If this is blown or damaged You will need to replace it in order to get the radio to power on again. When Your stereo is back on You should always make sure that it is up to date since the software updates usually will fix problems that cause it to freeze up and not work.
John
November 7, 2022
How to restart system on 2015 denali
Elmer T
July 16, 2020
If your 2015 gmc sierra touch screen is not working it's usually caused by a frozen system that will need to be restarted.
Connie
March 18, 2023
How do I get my touch screen to come up on my 2015 gmc Sierra. It seems to be frozen on navigation . Radio will play and back up camera works. Help
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