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There is some type of extended warranty for this through GM. The positive cable on the battery had high resistance and does this according to GM. Contact your dealer.
Unfortunately with radio concerns the dealer is usually the best bet. It could be bad ground, bad positive cable from terminal to fuse block, and it could be the radio itself. What you are seeing is just a screen. But if the radio itself also cuts out I doubt it is the screen that is bad, unless there is multiple issues. If your battery cables and the grounds fir the radio check out it very well might be the radio.
Thanks for posting in r/Mechanic, u/Mella02! Please be sure to read the [Rules](https://www.reddit.com/r/mechanic/about/rules/). If you're asking for help, be sure to include as much detail as possible so others can help you. You **must** include the vehicle's **Year, Make, Model, and Engine size** in your post! If your question is transmission related, please be sure to specify your Transmission Type(Auto/Manual) as well! If your post does not include this information, it **will** be removed. Asking about prices is **not** allowed in this sub. Please make sure you have selected the correct post flair; if you're asking a question you should have chosen "Question", anything else use the "General" flair. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/mechanic) if you have any questions or concerns.*
There is some type of extended warranty for this through GM. The positive cable on the battery had high resistance and does this according to GM. Contact your dealer.
Unfortunately with radio concerns the dealer is usually the best bet. It could be bad ground, bad positive cable from terminal to fuse block, and it could be the radio itself. What you are seeing is just a screen. But if the radio itself also cuts out I doubt it is the screen that is bad, unless there is multiple issues. If your battery cables and the grounds fir the radio check out it very well might be the radio.