Audi A4 B9 Coding List -
: Set all desired options (front windows, rear windows, sunroof) to "Active" Passenger Side Mirror Dip on Reverse
Module 52 (Passenger Door Electronics) -> Coding -> Byte 4 -> Enable Bit 2 and Bit 3
Coding → Byte 1 → Enable Bit 0 (or check "Gauge Test/Needle Sweep" active) Lap Timer & Oil Temperature Display
Disclaimer: The modifications detailed are intended for educational and entertainment purposes only. The author and publishers accept no responsibility for any damage, voided warranties, or legal issues that may arise from the application of the information above. Respect all local traffic laws. audi a4 b9 coding list
Pop the hood completely open and try writing the code again. Audi implemented this structural block to prevent malicious over-the-air coding attempts.
The following list includes some of the most popular and useful codes for the Audi A4 B9:
The most user-friendly choice for beginners. It offers "One-Click Apps" for pre-made coding, alongside a "Long Coding" mode for manual adjustments. : Set all desired options (front windows, rear
Module 09 -> Long Coding -> "Sidemarker_via_lcm" -> . Hidden Features - Audi A4 B9 (2016 and later)
Filter/fresh air actuator -> Store recirculation setting Value: Change from not active to active Troubleshooting Common Coding Issues
The Audi A4 B9 offers substantial hidden functionality through deliberate coding changes. The listed modifications have been validated by the community (AudiWorld, Drive2, Ross-Tech forums). Always document original coding, perform a full VCDS auto-scan before changes, and avoid modifying unknown bytes (e.g., Byte 18 in 09 – BCM, which can permanently lock module). Responsible coding enhances usability without compromising safety when done correctly. Pop the hood completely open and try writing the code again
If you want to modify a specific feature on your Audi A4 B9, let me know (VCDS, OBDeleven, etc.), the model year of your car, and which exact features you want to focus on next! Share public link
44 (Steering Assist) → Long Coding → Byte 2 → Enable Bit 7