Audi A4 B9 Coding - List

The Audi A4 B9 (2017–present) is highly customizable due to its extensive list of hidden features that can be activated using diagnostic tools like

. Popular modifications range from simple visual "sweeps" to functional changes like disabling auto start-stop or enabling wireless connectivity. Essential Tools Review VCDS (Ross-Tech)

: A professional-grade, wired diagnostic tool that requires a laptop. It is preferred for its comprehensive data logging and lack of credit-based fees, though it has a steeper learning curve.

: A mobile-friendly Bluetooth dongle. It is highly praised for "One-Click Apps" that perform coding automatically for a small fee (credits), though advanced "Long Coding" now requires a Pro subscription.

: A simpler Bluetooth option focused mostly on basic customizations rather than deep system coding. Top Recommended Coding Tweaks How to Disable Auto Start/Stop on a VW or AUDI using OBD11

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

Effect: Adds a track lap timer and oil temperature display to the driver screen . audi a4 b9 coding list

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). The Audi A4 B9 (2017–present) is highly customizable

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

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. The Ultimate Audi A4 B9 Coding List: Unlock

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)

The Audi A4 B9 (2016+) is a popular platform for "coding" or "tweaks," which involves using diagnostic tools like VCDS (Ross-Tech)

to unlock hidden software features or modify existing behaviors. Essential Tools for Coding VCDS (Ross-Tech):

A professional-grade tool requiring a laptop and a specialized cable. It is widely considered the standard for in-depth "long coding". OBDeleven:

A Bluetooth-based mobile tool that uses an app on your smartphone. It is popular for its "One-Click Apps"

which perform complex coding automatically for a small credit fee. Safety Tip:

Always perform a full scan and backup of your original settings before making changes. Use a battery maintainer if coding for extended periods to prevent voltage drops. Top Popular Tweaks for Audi A4 B9

Since you are looking for a review of the Audi A4 B9 Coding List, it is important to clarify that this isn't a single commercial product you buy off the shelf. Instead, it is a collective term for spreadsheets, Wiki entries, and forum threads (mostly on sites like AudiWorld, Azimuth, and GitHub) that detail the specific software parameters (long coding and adaptation channels) for the B9 chassis (2015–2023).

Here is a review of the resources available, the tools required, and the usability of the data found within these lists.

The Ultimate Audi A4 B9 Coding List: Unlock Hidden Features with VCDS, OBD11, and VAG-COM

The Audi A4 B9 (2015–2020, including the 2021 facelift in some markets) is a technological masterpiece. However, Audi, like many manufacturers, ships vehicles with a treasure trove of features disabled by default. Whether due to regional regulations, marketing segmentation, or simply to push you toward a higher trim level, these hidden functions are waiting to be activated.

To unlock them, you need diagnostic software like VCDS (VAG-COM) , OBD11, or VCP. This extensive guide provides a verified coding list for the B9 platform. Warning: Always back up your original control module maps before making changes.

🎶 Sound / Acoustics

| Feature | Module | Adaptation | Value | |--------|--------|-------------|-------| | Acoustic lock confirmation (beep) | 09 – Cent. Electrics | Akustische Rueckmeldung entriegeln/verriegeln | Active | | Adjust beep volume | 46 – Comfort | Akustische Rueckmeldung global | Volume 1–4 (4 = loudest) |

Acoustic Lock Confirmation (Beep)

Makes the car beep when locked (useful for finding the car or confirming lock).