Audi A4 B9 Coding List

To code the B9 platform, you typically need one of the following:

Unlock hidden settings for deeper system tweaks.

Customize which lights turn on when you unlock or lock the car in the dark.

You cannot use the coding list without an interface tool.

Note: The specific Byte numbers and Bit positions may vary slightly depending on your exact model year (B9 vs B9.5) and MMI version (MIB vs MIB2). audi a4 b9 coding list

Coding your Audi A4 B9 (2016+) can unlock significant hidden features and personalize your driving experience. The most popular tools for this are VCDS (Ross-Tech) and OBDeleven. Top Recommended Mods

These are the most common "hidden features" that owners typically activate:

Needle Sweep (Gauge Test): Gauges sweep to the maximum and back upon ignition.

Gear Display: Shows the current gear number (e.g., D1, D2) instead of just "D" or "S". To code the B9 platform, you typically need

Disable Start/Stop: Prevents the engine from automatically cutting out at stops, often by setting the AC comfort parameter to 0.

Lap Timer & Oil Temp: Unlocks the lap timer and oil temperature display in the Virtual Cockpit or DIS.

Acoustic Lock/Unlock: Adds a "chirp" sound when locking or unlocking the vehicle.

Scandinavian DRLs: Keeps the taillights on even when only the Daytime Running Lights are active. Manual Coding Cheat Sheet Unlock hidden settings for deeper system tweaks

Below are specific instructions for common adaptations using VCDS or OBDeleven. Instructions Gear Display (D/S) 02-Transmission Adaptation Set Single gear display to D on/S on. Needle Sweep 17-Instruments Set Staging to Active. Auto Parking Brake 03-ABS Brakes Adaptation (Security: 40168) Set Automatic Parking Brake to Active. Key Fob Window Op/Cl 46-Central Conv. Long Coding

(Security: 20103) Set comfort_operation_range_limitation to Not_Active. Seatbelt Chime 17-Instruments Long Coding Uncheck the bit for Seatbelt Warning. Important Safety & Technical Notes

This is a structured technical overview paper on the subject of coding modifications for the Audi A4 B9 (2016–2020). It is written in the style of an enthusiast technical document, suitable for forums, garage references, or personal research.