leonieberger66

Vios handsfree microphone failure

I'm having trouble with the hands-free microphone in my 2021 Toyota Vios with a gasoline engine. Telephony is impossible, and there's an error stored. I've tried checking the Bluetooth connection, volume, and ambient noise, but nothing works. Is anyone else experiencing this?

The hands-free microphone in a 2021 Toyota Vios is malfunctioning, making telephony impossible and storing an error code. Initial troubleshooting steps, such as checking the Bluetooth connection, volume, and ambient noise, have not resolved the issue. A similar problem was resolved by visiting a workshop, where diagnostics indicated a faulty infotainment system. A workshop visit for further diagnostics and potential repair is suggested as a necessary step.

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4 comment(s)

I have a Vios myself, and I think I had a similar issue some time ago. The Bluetooth connection kept dropping, and sometimes the microphone would just cut out during calls. Did you try unpairing and re-pairing your phone? Also, have you checked for any available software revisions for the infotainment system? Sometimes, these things can resolve weird glitches.

I unpaired and re-paired my phone, but the problem persists. Did your issue manifest as a stored error code? Can you elaborate on the software revision procedure?

Yes, there was an error stored, something about a communication failure with the Bluetooth module. I didn't attempt any software revisions myself. After trying the basic troubleshooting, I ended up taking it to a workshop. They ran diagnostics and determined the infotainment system was faulty.

Thanks for the insights. It seems a workshop visit is unavoidable. The projected cost of 815€ is concerning, but it seems necessary. Thanks again for sharing your experience; it's been invaluable.

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TOYOTA

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VIOS