Communication between Telematic Communication Box and headunit

For the transfer of telematics information the Telematic Communication Box (TCB) is connected to the headunit via a USB cable. The transfer is effected on the USB standard 2.0.

Notes for Service department 

General notes 

If the Telematic Communication Box (TCB) is programmed or the control unit is replaced, the online services have to be subsequently updated. This generally happens automatically via the programming system. It is possible to check this by selecting online services from the menu in the central information display.

A service function is available for updating the online services. This can be found as follows:

Service functions > 03 Body > Telecommunications or headunit > Online service update