S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 - Erase
DTC Memory.
3. Generate readiness code. => [ Readiness Code ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes.