JaySpeed

Tahoe Handsfree Microphone Failure

I've got a 2002 Chevrolet Tahoe with a gasoline engine, and the hands-free microphone seems to have given up. Telephony is completely dead, and the error memory shows a fault. I've tried fiddling with the volume control and checking for any obvious obstructions, but no luck. Could ambient noise be a factor, or is this looking like a deeper problem with the infotainment system?

The hands-free microphone in a 2002 Chevrolet Tahoe failed, with telephony and voice recognition both non-functional, indicating a potential issue with the infotainment system. Initial troubleshooting, such as adjusting volume and checking for obstructions, did not resolve the problem. The conversation suggested that ambient noise was unlikely the cause, and a defective infotainment system was suspected. A professional diagnosis confirmed the issue, leading to the replacement of the infotainment system to restore functionality.

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4 comment(s)

Sounds frustrating. Modern systems can be finicky. Has there been any recent work done on the car's electrics or infotainment system prior to this issue arising? Sometimes a seemingly unrelated event can trigger these kinds of problems. Also, have you tested the voice recognition function to see if that's also affected? If so, it would strengthen the case for a defective infotainment unit.

Thanks for the quick response! No recent work that I know of that would affect it. It just stopped working all of a sudden. I did try the voice recognition and that's dead too. If it is the infotainment system, is microphone repair a possibility, or is replacement the only option?

Given that both telephony and voice recognition are failing and there's an error code stored, plus the sudden onset, it does point strongly towards the infotainment system itself being the culprit. While individual component repair might be possible, it's often more cost-effective and reliable in the long run to replace the entire unit. The sound quality could also be affected as a result of a failed unit. I'd recommend getting a professional diagnosis at a reputable workshop to confirm before committing to any repairs. They can pinpoint the exact cause and give you a definitive answer about repair vs. replacement.

Appreciate the advice. Took it to the shop, and they confirmed it was a defective infotainment system. Cost me 815€ for a replacement, but at least it's working again. Thanks again for steering me in the right direction.

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CHEVROLET

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TAHOE