On Board Diagnostic
WARNING: This page is about a different car, the 2009 Audi S8, 2008 Audi S8, and 2007 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.
→ Generic Scan Tool Manual Contents
→ Serial Data Link Illumination
→ Controller Area Network Data Link
→ Electronic Power Control Warning Lamp