Control Module/Digital Sound System Amplifier, Removing And Installing, Sedan: Notes

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

The Digital Sound System Control Module -J525- is installed in the rear right luggage compartment.

If the Digital Sound System Control Module -J525- is replaced, then the following process applies:

-- Connecting and switching on the Vehicle Diagnostic Tester.

-- Switch the ignition on.

Procedure: Replacing the Digital Sound System Control Module -J525-

-- Select and start the Diagnostic operating mode.

-- Select the Test plan tab.

-- Select the Select individual test button and select the following tree structure consecutively:

Diagnostic-capable systems
005F - Information Electronics Control Module 1 - J794 (MIB 3)
005F - Information Electronics Control Module 1, functions
0648 - Digital Sound System Control Module, replacing (J525)

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.