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I had something similar happen the last time that the dealer uploaded software...which was required to reprogram the sunroof closing action after replacing the sunroof gaskets. After that, while I was checking everything out before leaving the dealer, I found that I had no bluetooth function at all. What was required to fix the problem was a complete reboot of the ECU (disconnected battery, etc.) which somehow re-enabled the bluetooth (TCU?). It's worked fine since then.
So, you might try such a reboot before replacing the module....unless that's what you mean by "resetting" the computer. Try it again?
Sorry that I don't have any more specific instructions on how to do said reboot...but I'm sure that there's help to be found on one of the forums/threads here.
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