The Audi A4, particularly the performance-oriented S4 variant, offers a wealth of hidden features and customization options accessible through VCDS (VAG-COM Diagnostic System). This guide compiles a comprehensive list of popular 09 A4 Vcds Tweaks, enabling you to personalize your driving experience. These modifications range from subtle aesthetic changes to functional adjustments, allowing you to tailor your Audi to your specific preferences.
Popular 09 A4 VCDS Tweaks
This list focuses on tweaks accessible through module 09 – Central Electrics, a hub for numerous vehicle settings. Remember to back up your original coding before making any changes.
Lighting Adjustments
- Disable Amber Corner Lights: Eliminate the amber corner lights for a cleaner, more modern look. (Byte 10, Submodule 0, Bit 3)
- Disable LED ‘Wink’ on Turn Signal: Maintain full LED brightness during turn signal activation. (Byte 3, Bit 2 & Bit 7)
- Enable DRL Selectability via MMI: Control your Daytime Running Lights directly through the Multi Media Interface. (Byte 3, Bit 5)
- Enable Rear Taillights with DRLs: Enhance visibility by activating taillights alongside DRLs. (Byte 2, Bit 7)
- Enable Euro Parking Lights: Activate parking lights on one side of the vehicle with the turn signal at night. (Byte 9, Bit 0)
- Front Turn Signals as Parking Lights: Utilize front turn signals as parking lights for a unique aesthetic. (Byte 10, Bit 0 and Byte 2, Bit 6)
- Adjust LED Brightness: Fine-tune the brightness of your LED lights to your preference. (Requires Security Access, Channel 3)
Convenience and Functionality
- Disable After-Wipe of Windscreen Wipers: Prevent the wipers from making an additional swipe after washing. (Byte 1, Bit 3)
- Disable Key Warning (Keyless Models): Silence the key warning chime for keyless entry systems. (Module 46 – Central Conv., Byte 9, Bit 7)
- Disable “Lights On” Warning: Deactivate the audible warning when opening the door with the lights on. (Byte 5, Bit 3)
- Enable Gauge Test/Needle Sweep: Perform a diagnostic check of your instrument cluster gauges. (Module 17 – Instruments, Byte 1, Bit 0)
- Enable Automatic Hill Hold Assist ‘Lite’: Activate a simplified version of hill hold assist. (Module 03 – ABS Brakes, Requires Security Access, Byte 1, Bit 6)
- Enable Fog Lamp with Turn Signal: Activate the fog lamp on the corresponding side of the activated turn signal. (Byte 4, Bit 0)
Other Notable Tweaks
- Disable Seatbelt Chime: Deactivate the seatbelt warning chime. (Module 17 – Instruments, Byte 0, Bit 2-4)
- Enable Adaptive Brake Lights: Enhance braking safety by activating additional brake lights during hard braking. (Module 46 – Comfort System, Byte 8, Bit 0 & Bit 1)
- Set Headlight Washer Duration/Cycles: Customize the duration and number of headlight washer cycles. (Requires Security Access, Channel 6 & Channel 26)
Understanding VCDS and Safety Precautions
VCDS allows access to your Audi’s control modules, offering extensive customization possibilities. However, it’s crucial to proceed cautiously. Always research thoroughly and understand the implications of each modification before implementation. Incorrect coding can potentially lead to malfunctions or damage to vehicle systems.
Conclusion
Utilizing 09 a4 vcds tweaks provides a unique opportunity to personalize your Audi A4 or S4. Whether enhancing aesthetics, improving functionality, or simply exploring hidden features, VCDS offers a powerful tool for customization. However, always prioritize safety and responsible coding practices to avoid unintended consequences. Remember to consult reputable sources and forums for detailed instructions and support. Always back up your original coding before making any changes. Enjoy exploring the full potential of your Audi!
