SOUND INOP WHEN OUTSIDE TEMP IS HOT
2011 Chevrolet Tahoe • 4,000 miles
When the temperature outside gets real hot (over 80) the main speakers in the car do not work. This means no dings, no turn signal clicks, no radio, no back-up warning sensor sounds, nothing. Oddly enough the center counsel headphone jacks for the rear passengers work.
The dealer's service department also has entire books on diagnosing their audio and body control systems. I hope you get lucky and they find some other cause besides the radio, but the good news is with such a new vehicle, the problem should be covered under warranty, . . . this time.
It happened three days after I owned it and they claimed it was some box in the center consel so they replaced it. unfortunately the temps cooled shortly after that and didn't jump up high until about a month ago when it started happeneing again.
Intermittent problems are a major frustration for mechanics because if they do anything at all, and the problem goes away, there is no sure way to know it's fixed. All they can know is if it acts up again, it's not fixed. You can have the most conscientious and reputable people working on it, and trying their hardest, and customers will still get angry with them when they can't solve it right away.
check to make sure your grounds are good the one on the left end of dash look like it might be the culprit. also under the passenger seat. looks like all of them connect there.
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