Enables a horn chirp when locking or unlocking the vehicle, and adds an option to toggle this sound on/off through the MMI settings menu. 09 - Central Electrics Function: Adaptation Channel: Acknowledgement Signals ( Quittungstoene )
Allows the car to steer automatically in heavy traffic (requires Adaptive Cruise Control hardware). ⚠️ Important Safety Rules
This guide provides a curated list of the most popular coding modifications for the B9 platform.
Module 09 (Central Electrics) → Adaptation → Tagfahrlicht-Dauerfahrlicht aktiviert zusaetzlich Standlicht.
Changes the graphics of the Virtual Cockpit to mirror S4 or RS4 performance themes (requires specific cluster firmware variants). VCDS / OBDeleven Long Coding: audi a4 b9 coding list
Advanced tool required for flashing firmware or complex parameter changes. Best Practices
| Tool | Best For... | Key Considerations | | :--- | :--- | :--- | | | In-depth long coding, in-depth diagnostics, professional use | Higher learning curve. The most powerful tool. Requires a specific cable (HEX-V2 or newer) from Ross-Tech. An older cable from a B7 may not be compatible with the B9 platform. | | OBDeleven (NextGen) | Beginners, convenience, one-click "apps" | Extremely user-friendly via smartphone. Offers "One-Click Apps" for many common tweaks. Most community guides are written for OBDeleven. For manual coding, it uses a credit system. |
The quality of the data is generally very high because the Audi coding community is meticulous. A comprehensive list usually breaks down coding by .
– only with memory seats 52 – Passenger door → Spiegelabsenkung bei Rueckwaertsfahrt → Active Enables a horn chirp when locking or unlocking
Keeps your taillights on even when only DRLs are active.
Module 09 (Central Electrics) -> Coding -> Byte 2 -> Enable Bit 7 ( Tagfahrlicht-Dauerfahrlicht aktiviert mit Heckleuchten ) High Beam Assist Memory
If something goes wrong during the coding process, remain calm. Most issues can be traced back to simple software conditions:
Module 08 (Air Conditioning) -> Adaptation -> A/C comfort parameter for start/stop function -> Change value from 5 to 0. Increase Trunk Opening Time Delay Best Practices | Tool | Best For
Low-line trim modules may not support high-line features (e.g., standard mirrors without memory motors cannot accurately remember their return position during a mirror dip). If you want to tailor this further, tell me: Which diagnostic tool you own ( OBDEleven , VCDS , or VCP ) Your vehicle's exact model year A specific feature you are trying to activate
Depending on your software version, you can unlock layouts intended for the S4 or RS4, adding a central tachometer. 17 (Dashboard/Instruments) Adaptation: Displaydarstellung (Display Options)
Dimmwert_Tagfahrlicht_mit_Blinker (or similar indicator configuration)
Here is a review of the resources available, the tools required, and the usability of the data found within these lists.
| Feature | Control Module | Path / Instruction | Details | | :--- | :--- | :--- | :--- | | | 17 – Instrument Cluster | Long Coding -> Byte 1 -> Activate Bit 0 | The needles do a full sweep at startup, mimicking the S/RS models. | | Lap Timer | 17 – Instrument Cluster | Long Coding -> Byte 1 -> Activate Bit 3 | Adds a lap timer display in the Virtual Cockpit. | | Power/Torque Display | 17 – Instrument Cluster | Long Coding -> look for "additional engine data" | Enables real-time power and torque gauges on the Virtual Cockpit screen. | | Start-Up Screen | 17 – Instrument Cluster | Coding, Byte 09 | Activate bits to change the startup logo (e.g., Bit 2,5,7 for A4 quattro). |