B9 Coding List: Audi A4

If you have a 2020+ A4 B9.5 (with the honeycomb grille and touchscreen MMI), note these changes:


Allows passengers to watch DVDs or videos on the MMI screen while the car is moving. audi a4 b9 coding list

The Audi A4 B9 (2015–2020, including the 2021 facelift in some markets) is a technological masterpiece. However, Audi, like many manufacturers, ships vehicles with a treasure trove of features disabled by default. Whether due to regional regulations, marketing segmentation, or simply to push you toward a higher trim level, these hidden functions are waiting to be activated. If you have a 2020+ A4 B9

To unlock them, you need diagnostic software like VCDS (VAG-COM) , OBD11, or VCP. This extensive guide provides a verified coding list for the B9 platform. Warning: Always back up your original control module maps before making changes. Allows passengers to watch DVDs or videos on


The quality of the data is generally very high because the Audi coding community is meticulous. A comprehensive list usually breaks down coding by Module (ECU).

Hold the lock button on the fob to roll up windows and close the sunroof.

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