B8.5 S4 VCDS Mods: The Ultimate Guide

The Audi B8.5 S4 is a fantastic platform for customization. With VCDS (VAG-COM Diagnostic System), you can unlock hidden features and tailor your driving experience. This guide compiles a comprehensive list of VCDS modifications specifically for the B8.5 S4, providing clear instructions for each tweak.

Essential B8.5 S4 VCDS Tweaks

This list covers popular modifications, ranging from convenience features to performance adjustments. Remember to back up your original coding before making any changes.

Lighting Modifications

• Disable Amber Corner Lights: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 10 Submodule 0 Bit 3 - Set to 0 (U.S. vehicles)
• Disable LED ‘Wink’ on Turn Signal: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 3 Bit 2 - Set to 0 (LEDs remain bright with parking lights), Bit 7 - Set to 0 (Turn off LED DRLs with indicators)
• Enable DRL Selectable via MMI: [09 – Cent. Elect.] -> [Coding – 07] -> Long Coding Helper -> Byte 3 Bit 5 set to 1
• Enable Rear Tail Lights with DRLs: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 2 Bit 7 - Set to 1
• Enable Euro Parking Lights (Turn Signals at Night): [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 9 Bit 0 - Set to 1
• Enable Front Turn Signals as Parking Lights: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 10 Bit 0 - Set to 1, then [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 2 Bit 6 - Set to 1 to enable as DRLs.
• Independent Fog Light Control with High Beams: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 4 Bit 1 – (Front) Set to 0, Bit 2 – (Rear) Set to 0
• Adjust LED Brightness: [09 – Cent. Elect.] [Security Access - 16] (enter security code) [Adaptation - 10] -> Channel 3 Set between 5 and 100

Convenience Features

• 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 - Uncheck
• Disable Key Warning (Keyless Models): [46 – Central Conv.] [Coding - 07] -> Long Coding Helper -> Byte 9 Bit 7 set to 0
• Disable “Lights On” Warning: [09 – Cent. Elect.] [Coding - 07] -> Long Coding Helper -> Byte 5 Bit 3 - Set to 0
• Disable Seatbelt Chime: [17 - Instruments] [Coding - 07] -> Long Coding Helper -> Byte 0 Bit 2-4 – Set to Inactive
• 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 1
• Enable Remote Operation Windows and Sunroof: [46 - Cent. Conv.] [Coding - 07] -> [Long Coding Helper] Byte 2 Bit 2 - Set to 1
• Enable Reverse Mirror Tilt: [52 Door Elect, Pass.] -> [Coding - 07] -> [Long Coding Helper] -> Byte 4 Bit 4 and Bit 2 set to 1
• Set Automatic Transmission Start Mode: [09 - Cent. Elect.] [Security Access - 10] [Adaptation 10] -> Channel 64 (See original article for value options)

Display and Instrumentation

• Enable Gauge Test/Needle Sweep: [17 - Instruments] [Coding - 07] -> Long Coding Helper -> Byte 1 Bit 0 - Check the box
• Enable Hidden Menu in MMI: [5F - Information Electr.] [Adaptation - 10] -> Channel 6 change 0 to 1 (Use with caution)
• Adjust Consumption in DIS: [17 - Instruments] [Adaptation - 10] -> Channel 3 (Adjust value – see original article for calculation examples)

This guide provides a starting point for B8.5 S4 Vcds modifications. Always research thoroughly and proceed with caution when modifying your vehicle’s settings. Incorrect coding can lead to unexpected behavior. Enjoy customizing your S4!