2021 Audi S8FACTORY OEM SERVICE PROCEDURE

Digital Sound System Control Module -J525-, REMOVING AND INSTALLING, 8RF: Removing

-- Turn off the ignition and all electrical equipment. Set the ignition key outside of the vehicle.

-- Remove the left luggage compartment side trim panel. Refer to LUGGAGE COMPARTMENT SIDE TRIM PANEL, REMOVING AND INSTALLING .

The bracket -2- with the Digital Sound System Control Module -J525- -1- must be removed first.

GWWA91-12867Courtesy of AUDI OF AMERICA, LLC

-- Release and disconnect the connectors from the Digital Sound System Control Module -J525- -1-.

-- Insert the : VAS6223/9Β  -1- onto the MOST bus connector -2-.

Fig 1: Fiber-Optic Cable Harness Connector And Protective Cap For Cable Connector VAS 6223/9
GWWA97-0760Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows-.

GWWA91-12867Courtesy of AUDI OF AMERICA, LLC

-- Pivot out the bracket -2- with the Digital Sound System Control Module -J525- -1-.

-- Remove the bolts -arrows- and remove the Digital Sound System Control Module -J525- -1- from the bracket -2-.

GWWA91-12868Courtesy of AUDI OF AMERICA, LLC
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.