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2007 Tahoe complete electric/nav shutdown



  • The radio in my 2009 suburban has been "glitching" out every few minutes for the past 3 months. When this started happening, my Bluetooth also stopped working. This morning the radio completely died. My audio screen still works -I can see the stations - but there is no audio at all. The blinker sound also isn't working. I ran it into the dealer and he said the radio probably would need to be replaced. I didn't have time this morning for him to run any diagnostic tests on it. Has anyone run into this and had it fixed?
  • gmcustsvcgmcustsvc Posts: 4,240

    If you feel you would like for us to work with you through the process of getting this checked into at the dealership, please don't hesitate to contact us at with more information (include your name and contact information, the last 8 digits of your VIN and mileage, and a summary of the situation).

    Sarah, GM Customer Service
  • cmachk1cmachk1 Posts: 4
    Any solutions on the radio and blinker issue? Mines at the dealer now and they can't find the problem!!!!!!!
  • tac147tac147 Posts: 9
    I ended up changing my battery and going up one size. That was about a year ago and it seems to have solved the problem. With the old battery, it happened several times per day.
  • z71pilotz71pilot Posts: 1
    Mine has just begun the same after replacing the motor mounts. No radio(sound or display), no audibles(including turn signals) and park assist off! All fuses appear to be fine. I have a 2007 z71 tahoe. I find it very odd that this has happened just after a brake job and motor mount replacement. We have tried disconnecting the battery and reconnecting with no avail so far.
    So is the battery replacement the key to others as well?
    A bad ground terminal somewhere?
    I truly hope that most of you have found a permanent fix by now.
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