The Audi S4 B8 and B8.5 platforms offer a wealth of hidden features that can be accessed and modified using VCDS (VAG-COM) diagnostic software. This guide provides a comprehensive list of common VCDS tweaks and the corresponding codes for unlocking these functionalities in your Audi S4. This information is compiled from various online resources and is intended for informational purposes only. Proceed with caution and at your own risk. Always back up your existing coding before making any changes.
Common B8/B8.5 VCDS Modifications
Here’s a breakdown of popular modifications categorized for easier navigation:
Lighting
- Disable After-wipe of Windscreen Wipers:
[09 – Cent. Elect.] [Coding - 07] -> [Dropdown] -> "x ** 8K1 955 119 ** WWS xxxx" -> Long Coding Helper -> Byte 1 Bit 3 - Remove check mark (1 = active)Eliminates the annoying extra wiper swipe after washing. - Disable Amber Corner Lights:
[09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 10 Submodule 0 Bit 3 - Set to 0Deactivates the amber side markers in the corner lights (U.S. models). - Enable DRLs with Taillights:
[09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 2 Bit 7 - Set to 1 (Active)Activates the rear taillights along with the daytime running lights (DRLs). - Enable Front Turn Signals as Parking Lights:
[09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 10 Bit 0 - Set to 1. Subsequently, enable as DRLs:[09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 2 Bit 6 - Set to 1 - Adjust LED Brightness:
[09 – Cent. Elect.] [Security Access - 16] (enter security code) [Adaptation - 10] -> Channel 3 - Set value between 5 and 100Customize the brightness of your LED lights.
Convenience
- Disable Seatbelt Chime:
[17 - Instruments] [Coding - 07] -> Long Coding Helper -> Byte 0 Bit 2-4 – Set to inactiveSilences the seatbelt warning chime. - Enable Automatic Hill Hold Assist ‘lite’:
[03 - ABS brakes] [Security Access - 16] (Enter code) [Coding – 07] -> Long Coding Helper -> Byte 1 Bit 6 - Set to 1Provides a brief hold on inclines. - Enable Remote Operation Windows and Sunroof:
[46 - Cent. Conv.] [Coding - 07] -> [Long Coding Helper] Byte 2 Bit 2 - Set to 1Control windows and sunroof with your key fob. - Enable Release Parking Brake without Foot on Brake:
[53 - Parking Brake] [Security Access - 16] (Enter code) [Adaptation - 10] -> Channel 4 - Set to 0
Display/Instrumentation
- Enable Gauge Test/Needle Sweep:
[17 - Instruments] [Coding - 07] -> Long Coding Helper -> Byte 1 Bit 0 - Check the boxPerforms a gauge test upon startup. - Enable Lap Timer:
[17 - Instruments] [Coding - 07] -> Long Coding Helper -> Byte 1 Bit 3 - Check the boxActivates the lap timer function in the instrument cluster. - Enable Hidden Menu in MMI:
[5F - Information Electr.] [Adaptation - 10] -> Channel 6 - Change 0 to 1Use with extreme caution! - Adjust Consumption in DIS:
[17 - Instruments] [Adaptation - 10] -> Channel 3 - Adjust the value (see original article for calculation examples)Fine-tune the fuel consumption display.
Other Modifications
- Enable Double Disarm Beep:
[46 - Central Conv.] [Adaptation - 10] -> Channel 63 - Add 4Confirms unlocking with two beeps. - Set Audi Parking System – Switch OFF Speed:
[10 - Park/Steer Assist] [Adaptation - 10] -> Channel 23 - Set to 20 (max value in km/h)
Important Considerations
Remember that these modifications are unofficial and could potentially void your warranty or cause unexpected issues. Always proceed with caution and consult reputable sources before implementing any changes. Thoroughly research each modification and understand the potential risks involved.
This guide is a starting point for exploring the customization options available for your Audi S4 B8/B8.5. For more in-depth information and support, consult the Ross-Tech Wiki and Audi enthusiast forums.
