Home >> Audi >> 2013 >> S8 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 4.0L - Generic Scan Tool - Engine Code(S): CEUA & CGTA (Transmission DTC Table & Diagnostic Procedures) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Fuel Pump Control Module -J538- & Transfer Fuel Pump -G6-, CHECKING >> Test Requirements