Quote:
Originally Posted by dlclarke
I suspect my problem is that the BIT-II and the SA-633 Euro TCU use overlapping iBus commands (or unit IDs) and thus we need to delete the BIT-II in order for the control software such as INPA to see the unit correctly.
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It is not an issue of overlapping ibus commands.
Both devices are a telephone, and both devices have the same bus address TEL. Hence only one device can exist in the vehicle (ie be connected to the bus) at one time
If you won't be using the assist function including emergency calls, then you can ignore the phone module inside the TCU and fit either the GSM or CDMA version.