TCU Telematics Control Unit (TCU Telematics Control Unit Without TCU 1.5 Telematic Control Unit 1.5)

Activating Bluetooth And Emergency Call (TCU MOST EURO, US)

This service function can be the suitable repair measure, in particular for the following fault patterns:
- No emergency call is possible.
- The emergency call LED does not light up on switching from terminal 0 to terminal R.
- It is not possible to set up a Bluetooth connection.

A possible cause for the above-mentioned fault patterns is that the Bluetooth or emergency call functionality has been disabled in the TCU control module. In this case, the problem can be remedied by enabling the Bluetooth and emergency call functionality.

This test module provides the following diagnosis functions:
1. Query status of Bluetooth and emergency call functionality
2. Enable Bluetooth and emergency call