Digital Sound System Control Module -J525-, REMOVING AND INSTALLING, PREMIUM SOUND SYSTEM (9VS), FROM MY 2021: Notes

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.