Audi A4 B9 Coding List May 2026

Unlocking the full potential of your Audi A4 B9 (2016–Present) goes beyond performance tunes and physical mods. With the right tools, you can access dozens of "hidden" factory features through software coding.

This comprehensive coding list covers the most popular modifications using common diagnostic tools like VCDS (VAG-COM) or OBDeleven. Essential Tools for B9 Coding

Before diving in, you need a way to communicate with your car’s control modules:

VCDS (Ross-Tech): The enthusiast standard, requiring a specialized VCDS cable and a laptop.

OBDeleven: A more mobile-friendly option that uses a Bluetooth dongle and a smartphone app. It offers "One-Click Apps" for easy changes using credits. Visual & Dashboard Customizations

These tweaks change what you see on your Virtual Cockpit or standard instrument cluster. Control Module Coding / Adaptation Detail Needle Sweep (Staging) 17-Instruments Coding -> Byte 1, Bit 0 (Active) Lap Timer / Oil Temp 17-Instruments Coding -> Byte 1, Bit 3 (Active) Show Gear Number (D1/S1) 02-Transmission Adaptation -> Single gear display -> "D on/S on" S4 Startup Screen 17-Instruments Coding -> Byte 2, Bit 3 (Active) Acceleration Display 17-Instruments Check options in Long Coding for specific cluster versions Lighting & Visibility Mods Customize how your DRLs and exterior lights behave.

DRL Menu in MMI: Allows you to turn off Daytime Running Lights via the screen.

Module 09 (Central Electrics) -> Long Coding -> "DRL MMI" set to Active.

Scandinavian DRLs: Keeps your taillights on even when only DRLs are active.

Cornering Lights via Fog Lights: Fog lights illuminate when you turn the steering wheel at low speeds.

Disable Amber Side Markers (US Spec): Turns off the orange lights in the headlight housing.

Module 09 -> Long Coding -> "Sidemarker_via_lcm" -> Not_Active. Hidden Features - Audi A4 B9 (2016 and later)

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".

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

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 audi a4 b9 coding list

The Audi A4 B9 (2016–present) is built on a highly modular electronics platform, allowing owners to unlock "hidden" features or modify factory behaviors using tools like VCDS (Ross-Tech) Top Coding Modifications for Audi A4 B9

These modifications are among the most popular for enhancing the driving experience, aesthetics, and convenience of the B9 platform. Virtual Cockpit Sport Layout

: Unlocks the centered tachometer (S/RS style) on cars equipped with the full digital dashboard. Needle Sweep / Gauge Test

: The needles for the speedometer and tachometer sweep to their maximum and back upon starting the engine. Lap Timer & Oil Temperature

: Enables a dedicated lap timer in the instrument cluster, often paired with a real-time oil temperature display. Gear Display in D/S Mode

: Shows the specific gear number (e.g., D1, S2) in the instrument cluster instead of just "D" or "S". Deactivate Start-Stop

: Permanently disables the engine's auto-stop feature or allows it to remember the last used setting. Mirror Dip on Reverse

: Automatically tilts the passenger-side mirror downward when reversing to help with curb visibility. Comfort Windows with Key Fob

: Allows you to open or close all windows and the sunroof by holding the lock or unlock buttons on your remote. Scandinavian DRLs

: Keeps the rear taillights illuminated even when only the front Daytime Running Lights (DRLs) are on. Disable Seatbelt Chime

: Turns off the recurring warning sound if the seatbelt is not buckled. Step-by-Step Coding Examples Below are the specific paths for common tweaks using OBDeleven (Long Coding) Modification Control Module Adaptation / Long Coding Path Needle Sweep 17 - Instruments Seatbelt Chime 17 - Instruments (Inactive) Display Gear 02 - Transmission Adaptation Single gear display Key Fob Range 46 - Central Conv. Long Coding range_limitation_lock Not_Active Parking Assist Speed 09 - Cent. Elect. Adaptation Switch off speed Essential Tools for Coding

To perform these changes, you will need an interface that connects to your car's OBD-II port.

Coding your Audi A4 B9 can unlock many hidden features and heavily customize your driving experience. Software tools like OBDeleven or VCDS are required to interface with your car's computer network .

Below is a categorized guide to the most popular coding modifications available for the Audi A4 B9 platform (2017–2024+). ⚠️ Important Disclaimer

Backup First: Always create and save a complete scan or record your default "Long Coding" values before making any changes .

No Engine Start: Perform these steps with the ignition on, but the engine off .

Hood Open Rule: Many newer B9 models require you to physically pop the hood (bonnet) open to write adaptation changes to the modules successfully . 仪表 (Dashboard & Virtual Cockpit) Needle Sweep (Gauge Test)

Effect: Gauges do a full sweep from zero to max when you turn on the ignition.

Location: Module 17 (Dash Board) -> Long Coding -> Staging -> Set to Active. Display Gear Number

Effect: Shows D1, D2, S1, S2 instead of just D or S on your dash .

Location: Module 02 (Transmission) -> Long Coding -> General -> Display Gear -> Set to Active. Enable Lap Timer Unlocking the full potential of your Audi A4

Effect: Adds a track lap timer and oil temperature display to the driver screen .

Location: Module 17 (Dash Board) -> Long Coding -> Byte 1 -> Enable Bit 3 . 💡 Lighting Tweaks Daytime Running Lights (DRL) with Tail Lights

Effect: Keeps your rear tail lights illuminated whenever your front DRLs are on.

Location: Module 09 (Central Electrics) -> Long Coding -> Tagfahrlicht-Dauerfahrlicht aktiviert -> Set to Active. Disable Orange Side Markers

Effect: Turns off the orange corner lights on North American models for a cleaner Euro look .

Location: Module 09 (Central Electrics) -> Long Coding -> Byte 6 -> Disable Bit 4. Double Beep on Unlock

Effect: Horn chirps twice when unlocking and once when locking .

Location: Module 46 (Central Conv.) -> Adaptation -> sounder_settings-beeptime_opening_central_locking -> Change to double_beep . 🎛️ Comfort & Convenience Deactivate Start/Stop System

Effect: Disables the annoying feature that shuts off your engine at red lights .

Location: Module 08 (Air Conditioning) -> Adaptation -> A/C comfort parameter for start/stop function -> Change value from 5 to 0. Increase Trunk Opening Time Delay

Effect: Prevents accidental trunk openings by requiring you to hold the key fob button longer .

Location: Module 46 (Central Conv.) -> Adaptation -> Time for opening rear lid with remote control -> Change from 800ms up to 2000ms . Allow Locking Car with Engine Running

Effect: Allows you to hop out and lock the doors using your physical key while leaving the engine running .

Location: Module 46 (Central Conv.) -> Long Coding -> central_locking_system_lock_driving_engine_running -> Set to Active. 🛣️ Driver Assistance High Beam Assist (Auto High Beams)

Effect: Automatically toggles high beams on and off based on oncoming traffic (requires the front-facing mirror camera).

Location: Module 09 (Central Electrics) -> Long Coding -> fernlicht_assistent -> Set to Active. Active Lane Assist

Effect: Unlocks lane-keep steering assistance if your car was built with the hardware but without the package selected .

Note: This requires complex coding across modules 09, 17, A5, and 44 .

** VCDS Mod List for B9 ** | Audizine Audi Enthusiast Forums

The Ultimate Audi A4 B9 Coding & Hidden Features Guide Unlocking the true potential of your Audi A4 B9 (2016–Present) goes beyond basic maintenance. Through VCDS or OBDeleven, you can customize your vehicle's software to enable "hidden" features—from visual flares like needle sweeps to functional upgrades like Active Lane Assist.

This guide provides a curated list of the most popular coding modifications for the B9 platform. Essential Coding Tools Coming Home / Leaving Home Lights Customize which

To perform these modifications, you will need one of the following diagnostic tools:

VCDS (VAG-COM): The enthusiast standard from Ross-Tech. It requires a laptop and a specialized cable.

OBDeleven: A more mobile-friendly option that uses a Bluetooth dongle and a smartphone app. It offers "One-Click Apps" for those who want to avoid manual long coding. Safety & Visual Modifications

These tweaks change how your car looks and provides feedback during startup or emergency situations. Gizli Özellik Açmahttps://gizliozellikacma.com

Coding your Audi A4 B9 (2016+) allows you to unlock hidden features or modify factory behaviors using tools like VCDS or OBDeleven. Essential Security Codes

To access specific control modules, you may need these common security access codes: 09 — Central Electrics: 20113 13 — Auto Distance Regulation: 20103 6D — Trunk Electric: 12345 03 — ABS Brakes: 61378 Popular "Tried and Tested" Tweaks The following are common modifications for the B9 platform: Virtual Cockpit & Interior

Needle Sweep: Gauge needles sweep to max and back upon ignition.

Lap Timer: Enables the lap timer display in the instrument cluster.

Audi Sport Startup Logo: Changes the Virtual Cockpit splash screen (e.g., to the RS logo) by changing the "Derivative" value.

Easy Entry: The seat moves back automatically for easier exit/entry (requires electric seats with memory). Exterior & Lighting

Scandinavian DRLs: Rear taillights stay on even when only Daytime Running Lights (DRLs) are active.

High Beam Assist: Can be enabled if your car has the front-facing camera.

Mirror Tilt in Reverse: Passenger side mirror tilts down when in reverse gear to help with parking.

Cornering Lights via Fog Lights: Fog lights activate on the side you are turning. Convenience & Safety

Start/Stop Deactivation: Adjusts the threshold so the engine doesn't shut off at every stop.

Locking Confirmation Tone: Acoustic beep when locking/unlocking the car (can usually be toggled in MMI afterward).

Wireless Apple CarPlay: For newer MIB3 infotainment units (often late 2020+ models), this can sometimes be toggled if disabled by the factory. Important Safety Note

Always perform a full backup/scan of your car's original coding before making changes. Use community resources like Scribd's B9 Coding Guides for detailed step-by-step bit and byte values.

Are you using OBDeleven or VCDS, and is there a specific feature (like the Virtual Cockpit or lighting) you want to prioritize?

Audi Sport Startup Screen - Virtual Cockpit - OBDeleven Forum

Here’s a clear, informative draft for a forum post, blog article, or guide on Audi A4 B9 Coding List.

Coming Home / Leaving Home Lights

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

🔧 Common & safe coding tweaks

Lane Assist Vibration Strength

Change the intensity of the steering wheel vibration.