Digital Sound System Control Module -J525-, REMOVING AND INSTALLING, PREMIUM SOUND SYSTEM (9VS), FROM MY 2021: Notes
WARNING: This page is about a different car, the 2021 Audi e-tron Quattro and 2019 Audi e-tron Quattro. However, it is still accessible from the selected car via links, so may be relevant.
The Digital Sound System Control Module -J525- is located behind the left luggage compartment side trim panel.
If the Digital Sound System Control Module - J525- is replaced, the following procedure applies:
-- Connecting and switching on the Vehicle Diagnostic Tester.
-- Switch the ignition on.
-- 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 Elektronics 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.