09 tahoe ltz hood open, stabilitrack, traction control, et al

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PatDTN

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My dash is looking like a blinking beeping Christmas tree. It started with a series of beeps but I couldn't see anything in the DIC. Eventually it happened often enough to see hood open in the DIC but it cleared quickly. Now today I have warnings flashing and dinging like crazy.

To me this sounds like a ground coming loose. Any thoughts on where a ground that can affect all this might be?
 

Big Mama

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It could be the one under the passenger side but I’d check them all including the cables. Peel back the rubber coating to see if there’s corrosion.
 
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PatDTN

PatDTN

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I'm starting to think it might be smart to check behind my new radio. Yesterday it decided I really wanted my tire pressures to show on said radio...
 

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