Removing and installing control unit for front display and information control panel J523, MMI (up to week 35/08) — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Switch off all electrical equipment.
2. Remove ignition key.
3. When renewing control unit, select "“Replacement”" function for appropriate control unit in "“Guided Fault Finding”".
4. Remove the glove box General body repairs, interior68.
5. Unplug connectors (2), (3) and (4) on control unit for front display and information control panel J523(1).
6. Fit protective cap for cable connectorVAS 6223/9(1) onto MOST bus connector (2).
7. Unscrew bolts (arrows) (3 Nm) and remove control unit for front display and information control panel J523(1). — 3 Nm (2.2 lb-ft)
8. Installation is performed in reverse sequence.

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