GerryAZ wrote: I hope that a future software update for the telematics unit will fix this occasional glitch, but in the mean time I can pull the fuse whenever necessary.
It's questionable whether the TCU can be re-flashed (if that's even possible - may only have a flash data memory)
in the vehicle, i.e. not all vehicle ECUs can be re-flashed in a vehicle. The solution may be another TCU upgrade.
Those having continued TCU problems should avoid using Carwings for awhile to help determine whether the ongoing problem relates to the TCU "hanging" in a mode when connecting to Carwings.