The Audi B8 S4, known for its performance and sophisticated engineering, offers a hidden world of customization through VCDS (VAG-COM Diagnostic System). This article compiles a comprehensive list of VCDS tweaks specifically for the B8 S4, allowing owners to personalize their driving experience. These modifications range from subtle convenience adjustments to more noticeable performance enhancements.
Understanding Audi eCode and VCDS
“eCode” refers to the electronic coding within various control modules of your Audi. VCDS, a diagnostic tool, allows access to these modules, enabling users to modify default settings. While powerful, using VCDS requires careful attention to detail. Incorrect coding can lead to unexpected behavior or even system malfunctions. Always proceed with caution and consult reputable sources before implementing any changes. This guide is for informational purposes only and does not constitute professional advice. vcdstool.com assumes no responsibility for any damage resulting from the use of this information.
Popular Audi eCode VCDS Modifications for the B8 S4
Below is a list of popular VCDS modifications categorized for clarity:
Lighting
- Enable Rear Tail Lights with DRLs: Enhance daytime visibility by activating the rear tail lights along with the daytime running lights (DRLs). This modification requires adjusting Byte 2, Bit 7 in module 09 – Cent. Elect.
- Disable Amber Corner Lights: Achieve a cleaner front aesthetic by disabling the amber corner lights (U.S. models). Modify Byte 10, Submodule 0, Bit 3 in module 09 – Cent. Elect.
- Enable Euro Parking Lights: Activate the parking lights on the same side as the activated turn signal, mimicking European lighting regulations. Adjust Byte 9, Bit 0 in module 09 – Cent. Elect.
- Adjust LED Brightness: Customize the brightness of your LED lights to your preferred intensity. This involves changing Channel 3 in module 09 – Cent. Elect. after gaining Security Access.
Convenience
- Disable Seatbelt Chime: Deactivate the audible seatbelt warning chime. This involves modifying Byte 0, Bits 2-4 in module 17 – Instruments.
- Disable Key Warning (Keyless Models): Silence the key warning for keyless entry systems. Modify Byte 9, Bit 7 in module 46 – Central Conv.
- Enable Remote Operation Windows and Sunroof: Control your windows and sunroof remotely using your key fob. Change Byte 2, Bit 2 in module 46 – Cent. Conv. to 1.
- Enable Release Parking Brake without Foot on Brake: Release the parking brake without needing to press the brake pedal. This requires Security Access and adjusting Channel 4 to 0 in module 53 – Parking Brake.
Display and Instrumentation
- Enable Gauge Test/Needle Sweep: Activate the needle sweep function for a visually appealing diagnostic check. Adjust Byte 1, Bit 0 in module 17 – Instruments.
- Enable Battery Meter: Display the battery voltage directly on the MMI. This usually involves enabling the Battery module in the hidden menu and setting its operation to 5.
- Enable Lap Timer: Access the built-in lap timer functionality in the instrument cluster. Modify Byte 1, Bit 3 in module 17 – Instruments.
- Adjust Consumption in DIS: Fine-tune the fuel consumption display in the Driver Information System (DIS) for greater accuracy. This involves adjusting Channel 3 in module 17 – Instruments.
Other Modifications
- Enable Automatic Hill Hold Assist ‘lite’: Activate a basic hill hold assist feature. This requires Security Access and modifying Byte 1, Bit 6 in module 03 – ABS Brakes.
- Enable TPMS: Activate the Tire Pressure Monitoring System (TPMS) if your vehicle is equipped with the necessary hardware. This often requires enabling the RDK module in the hidden menu and making adjustments in modules 03 – ABS Brakes and 17 – Instruments.
- Set Custom ADS Settings: Configure the Audi Drive Select (ADS) system to your preferred presets. This involves adjusting Channels 63-66 in module 09 – Cent. Elect. after Security Access.
Conclusion
This comprehensive guide offers a glimpse into the potential of Audi Ecode Vcds modifications for the B8 S4. Remember to exercise caution and consult reputable sources before attempting any coding changes. Always back up your existing coding before making any modifications. With careful research and implementation, VCDS can unlock a world of customization options, allowing you to truly personalize your Audi S4 driving experience.
