| Module | Function | Location | Action/New Value | | :--- | :--- | :--- | :--- | | | Passenger Mirror Dip | 52-Door Elect, Pass. → Long Coding | Activate Byte 4, Bit 2（ Side mirror lowering in reverse gear ）. | | 05 - Access/Start Auth. | Automatic Locking (Keyless) | 05-Access/Start Auth → Long Coding → Byte 2 | Activate Bit 4 for keyless auto-locking. | | 09 - Central Elec. | Rain Closing (Windows/Sunroof) | 09-Central Elec → Adaptation → Access Control 2 | Set Regenschliessen_ein_aus to Active and Regenschliessen_art to Permanent . Also ensure the rain/light sensor (RLFS) is coded appropriately. | | A5 - Front Assist | Traffic Sign Recognition | A5-Frt Sens. Driver Assist | Activate via Coding; may require coding in module 5F as well. | | 08 - Auto HVAC | Seat Heating Memory | 08-Auto HVAC → Long Coding or Adaptation | Modify channel to store the last used seat heating level. | | 17 - Instruments | Disable Seatbelt Chime | 17-Instruments → Long Coding Helper | Activate Byte 12, Bit 1（ Seatbelt Warning inactive ）. | | 19 - Gateway | Sailing (Coasting) Mode | 19-Gateway → Adaptation → Start/Stop Spannungsgrenze | Set the threshold to 12.0V to effectively deactivate the Start-Stop system. |
Coding changes your car’s software. Always perform a full scan and save a backup of your original module coding before making changes. Perform these modifications at your own risk. Phase 1: Lighting & Exterior Tweaks
Enable the ability to open or close all windows and the sunroof by holding down the "Lock" or "Unlock" button on your factory key fob.
These popular tweaks are frequently performed to enhance the aesthetic and functional feel of the vehicle. audi+a3+8v+coding+list
: Displaying a car diagram with distance bars on the screen, even if you only have rear sensors.
If your car is equipped with the lane assist camera in the rearview mirror, you can code the vehicle to automatically toggle between high and low beams when sensing oncoming traffic.
| Function | Location | Action/New Value | Additional Info | | :--- | :--- | :--- | :--- | | | 17-Instruments → Long Coding Helper | Activate Byte 1, Bit 0 ( Gauge Test/Needle Sweep active ) | Needles sweep across the dials upon startup. | | Lap Timer (Oil Temperature) | 17-Instruments → Long Coding Helper | Activate Byte 1, Bit 3 ( Lap Timer active ) | Enables both the lap timer and the digital oil temperature display in the FIS. | | Startup Logo | 17-Instruments → Long Coding → Byte 9 | 00 : Standard, 01 : S3, 02 : g-tron, 04 : RS3, etc. | Changes the logo displayed on the instrument cluster upon startup. | | Virtual Cockpit Sport Layout | 17-Instruments (on cars with VC) | Activate via Adaptation or Coding | Unlocks the sportier, performance-oriented view for the Virtual Cockpit. | | Module | Function | Location | Action/New
The gold standard for Windows laptops. Requires a dedicated hex cable and uses manual byte/bit long coding.
| | Path / Adaptation Channel | New Value | Security Access | Notes | | :--- | :--- | :--- | :--- | :--- | | Audible Lock/Unlock Confirmation (Beep) | 46 → Adaptation → (Lock confirmation via horn) | Active (or "Both") | 31347 | "Beep" for lock; "Double-beep" for unlock. | | Alarm Beep on Lock (EU/US spec) | 09 → Adaptation → (1)-Acknowledgement signals-Akustische Rueckmeldung entriegeln | Active | 31347 | Adds short chirp. Extremely popular. |
Write down the original hexadecimal code so you can revert changes if an error occurs. Essential Lighting Modifications 1. Needle Sweep (Gauge Test) | Automatic Locking (Keyless) | 05-Access/Start Auth →
| Function | Search/Wait Channel | Action/New Value | Additional Info | | :--- | :--- | :--- | :--- | | | (48)-Speed lock - activation (49)-Speed lock - activation (Multiple channels) | Deactivate ( Unlocked or Active on certain menus) | Allows video playback while the vehicle is in motion. | | Apple CarPlay / Android Auto Activation | Various adaptation channels to enable functionality and interfaces. | Activate (requires compatible MMI unit) | Retrofit smartphone integration. | | Green Engineering Menu | developer enable | Enter Engin. Menue adaptation channel, set to Activated . | Unlocks advanced MMI settings. | | Ambient Lighting Menu | Channels: (BAP) vehicle_menu , (BAP) menu_display_ambience_illumination , etc. | Activated | Enables the menu to control door panel and footwell lighting intensity. | | Voice Control Activation | Various channels for voice recognition. | Activated | Enables voice command functions if the hardware supports it. | | Wi-Fi Hotspot Activation | Channels related to Wi-Fi client and hotspot. | Activated | Turns on the MMI's built-in Wi-Fi hotspot feature. |
If you encounter an "Out of Range" or "Security Access Required" error while programming, you must enter a security access code before making changes. 31347 Module 17 (Instruments) Access Code: 20103 Module 03 (ABS Brakes) Access Code: 40168 or 24435
The journey usually begins with "The Needle Sweep." As the ignition clicks on, the needles on the instrument cluster dance across the dials and back—a small "celebration" that signals the car is ready for more than just a grocery run.
Controls Park Assist and Park Distance Control (PDC). Security access code is .