Function

On Board Diagnostic (OBD)
Some Communication systems have extensive On Board Diagnostic (OBD) capabilities.

In the event malfunctions occur in Communication systems with OBD capabilities, troubleshooting is performed using the VAS 5051 Vehicle Diagnostic Testing and Information System in operating mode "Guided Fault Finding".

Refer to specific sections in this Repair Manual for applicable system OBD information:

Radio systems "Premium IV" & "Premium V" OBD
"Premium IV" & "Premium V" OBD program functions can be performed using VAG 1551/1552 Scan Tools (ST)

or where applicable use VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding"

Radio system "Premium VI" OBD
"Premium VI" OBD program functions must be performed using VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding".

Multi-function steering wheel through 11.01 OBD
OBD program functions can be performed using VAG 1551/1552 Scan Tools (ST)

or where applicable use VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding".

Multi-function steering wheel from 12.01 OBD
OBD program functions must be performed using VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding".