Fuel Pump (FP) Control Module J538 , checking (vehicles with 6-cyl. and 8-cyl. FSI engine)
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
Fuel Pump (FP) Control Module J538 is checked in "Guided Fault Finding" with Vehicle Diagnostic, Testing and Information System VAS 5051.