General Diagnosis - Checking The Telecommunication System: Notes

This service information describes the procedure for the < telecommunications system check>  .

This procedure is valid for the diagnosis of the following systems:

• ULF-SBX interface box
• ULF-SBX-H interface box High
• TCU Telematics control unit
• CBX-MEDIA ComBox Multimedia
• CBX-ECALL ComBox emergency call
• Headunit-supported telephony
• Telematic Communication Box (TCB)
• Telematics Communication Box Basic (TCB-B)