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Home >> Audi >> 2021 >> S4 Premium Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Communication (1 Of 2) >> 91 Communication >> Sound System >> Control Module/Digital Sound System Amplifier, Removing And Installing >> Notes
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Control Module/Digital Sound System Amplifier, Removing And Installing: Notes

Special tools and workshop equipment required 

The Digital Sound System Control Module -J525- -1- is located behind the left luggage compartment side trim panel.

GWWA91-12477Courtesy of AUDI OF AMERICA, LLC
NOTE:

If replacing the control module, select the "Replace control module" function for the corresponding control module on the Vehicle Diagnostic Tester.