Information on Parallel Installation of TCU and ULF-SBX-H

Information On Parallel Installation Of TCU And ULF-SBX-H
In this vehicle, the following control modules are installed in parallel:
- TCU Telematic control module
- ULF-SBX-H Interface box High
These control modules implement the following functions:
- TCU Telematic Control Module
The TCU covers all the telephone and Telematic functions. All antennas as well as other telephone hardware are connected to the TCU.
- ULF-SBX-H interface box High
With parallel installation, the ULF-SBX-H exclusively operates the optional extra 6FL "USB audio port". Telephone functions are not implemented in this control module.
The installation location of the TCU Telematic Control Module and the ULF-SBX-H interface box High is shown below with the E60 as an example.






No./ Description
1 TCU Telematic control module
2 ULF-SBX-H

For advanced information on the basic layout and basic functions of the TCU and ULF-SBX-H, please consult the SBT.
Functional description, see BMW center Technology:
TIS -> Document -> SI Technology -> Enter SBT Number
SBT number: 840703056 (TCU variant US)
SBT number: 840104118 (TCU variant EURO)
SBT number: 840303045 (ULF-SBX-H)

No liability can be accepted for printing or other faults. Subject to changes of a technical nature