Audi A4 B9 Coding List ((top)) -

→ Adaptations → (47)-Audio Management-Volume_software_amplifier Change value from 100 to 150 . This increases the internal pre-gain by 6dB. It gives a noticeable "wake-up" to the standard Audi sound system. Warning: Do not exceed 180 or you will get distortion.

Turns off the orange/amber side marker lights inside the front headlamp housing for a cleaner, European look. 09 - Central Electrics Function: Long Coding Byte/Bit: Byte 6, Bit 4 Value: Deactivate/Uncheck 2. Convenience & Comfort Features Passenger Side Mirror Dip in Reverse

to unlock hidden software features or modify existing behaviors. Essential Tools for Coding VCDS (Ross-Tech):

17 – Dashboard → Oil temperature → Active audi a4 b9 coding list

The industry standard for Windows PCs. Excellent for manual long coding but requires a wired HEX-V2 or HEX-NET interface.

Turns on your outer signature rear LED taillights during the day alongside your standard front daytime running lights.

Changes the Virtual Cockpit splash screen (e.g., to the RS logo) by changing the "Derivative" value. Warning: Do not exceed 180 or you will get distortion

The Audi A4 B9 (2016–Present) is a technological marvel, but many of its most convenient features are hidden behind factory-set configuration files. Using diagnostic tools like or OBDeleven , you can tap into the car’s Central Electronics (09), Instrument Cluster (17), and other modules to customize your driving experience.

: This information is for educational purposes only. The author and sources are not responsible for any damage to your vehicle. Always consult professional services if unsure.

The Ultimate Audi A4 B9 Coding & Adaptation Guide Unlocking hidden features on your Audi A4 B9 (2016–2024) is one of the most rewarding modifications you can perform. Audi builds cars with global market variations and trim levels controlled primarily through software. By using OBD2 diagnostic software, you can activate premium features already built into your vehicle's control modules. Convenience & Comfort Features Passenger Side Mirror Dip

Allows you to roll all windows down or up by holding the unlock or lock buttons on your key fob. VCDS / OBDeleven Long Coding:

Module 17 (Instruments) -> Adaptation -> Display Depiction -> Change version from Version 1 to Version 2, 3, or 4 (test to see which graphic layout loads). 2. Comfort & Convenience Tweaks