A4 (B9) – Audi Sound System volume control

Purpose: to adjust the volume of the engine sound (Audi Sound System – Soundaktor) inside the car. To mute the sound, use value: 0.

Procedure:
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer, then plug the other end into your vehicle’s diagnostics socket.

2 – Switch on the ignition and run the VCDS program.

Line 1:


3 – Click on ” Select”, then click on “Select”. A9 – Sound terminal structure ” .

4 – Click on “Adaptation – 10”.

6 – Select Channel :“Volume of structure borne noise actuator”.

Select your sound percentage (between 0 and 100)

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