On Board Diagnostic (OBD), function

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster is controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions occur in monitored sensors and components, Diagnostic Trouble Codes (DTC) will be stored in memory.

Troubleshoot instrument cluster malfunctions and perform OBD program functions using VAS 5051/5052 tester in mode "Guided Fault Finding".

VAS 5051/5052 connected and in mode "Guided Fault Finding":

Enter appropriate model, equipment and model year information and press ">" to confirm.

After the DTC memory of all control modules has been checked:

Press "Go to" "Go to" button
Select: "Function / Component Selection"
Select: "Body (Repair 01; 27; 50 - 97)"
Select: "Electrical Equipment (Repair 01; 90 - 97)"

Select: "01 - On Board Diagnostic (OBD) capable systems"
Select: "Instrument Cluster"
Select appropriate option
Follow tester prompts.