i have a 2010 Chevy traverse. the speakers come in and out everything works there is just no sound from door chimes turn signals backup up camera or radio and then all of a sudden maybe the rear speakers might work or they all work it comes and gos. i have read all the forums and tried everything including changing the amp out and still no success. this is becoming very agitating and need some answers to help resolve the issue please. thank you Eric

 

I have a similar problem with my 2007 suburban. Dealership said it would be over $300 to pull the dash and try to solve the problem.

 

Most likely the speakers themselves, replace them. The chimes run thru the speakers. I had to replace all four in my 08 Ascender.

 

A loose connection somewhere. Check all the wiring to the back of the radio.