The Audi A1 is a fantastic car, but with VCDS (VAG-COM Diagnostic System) and the right codes, you can unlock hidden features and customize your driving experience even further. This guide compiles a comprehensive list of VCDS tweaks for the Audi A1, allowing you to personalize your vehicle to your exact preferences. A genuine Ross-Tech cable is required for these modifications.
Popular VCDS Modifications for Audi A1
Here’s a breakdown of some popular VCDS modifications for the Audi A1, along with their corresponding control module and coding instructions:
Lighting Adjustments:
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100% DRL Brightness and Rear LED DRLs (Xenons Only):
- Module: 09 – Central Electronics
- Coding: Byte 11, Bit 2 (for 100% DRLs); Byte 18, Function 7, Change code 72 to 73 in long code (for Rear LED DRLs – Xenons Only)
- Effect: Increases daytime running light brightness to 100% and enables rear LEDs as DRLs on models equipped with Xenon headlights. Note: Enabling rear LEDs as DRLs may impact navigation map display brightness and cause the green indicator light on the light switch to remain illuminated.
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Fog Light as Cornering Lights:
- Module: 09 – Central Electronics
- Coding: Byte 14, Bit 7
- Effect: Activates your fog lights when turning, providing improved visibility.
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Disable Headlight Washers:
- Module: 09 – Central Electronics
- Coding: Byte 20, Bit 5 (Set to 0 to disable)
- Effect: Deactivates the automatic headlight washers.
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Disable DRL Dimming When Indicating:
- Module: 09 – Central Electronics
- Coding: Byte 15, Bit 3 (Set to 0 to disable)
- Effect: Prevents the DRLs from dimming when the turn signals are active.
Comfort and Convenience:
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Adjust Coming/Leaving Home Light Duration:
- Module: 09 – Central Electronics
- Adaptation: “Coming Home-Time” and “Leaving Home-Time”
- Effect: Customize the duration (up to 60 seconds) for the coming home and leaving home lighting feature.
-
Indicator Soft Touch Configuration:
- Module: 09 – Central Electronics
- Adaptation: “Comfort turn signal (Cycles)” (Adjustable: 1-5x)
- Effect: Sets the number of flashes for a light tap on the turn signal stalk.
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Deactivate Auto Rear Wiper in Reverse:
- Module: 09 – Central Electronics
- Coding: Byte 21, Bit 6
- Effect: Prevents the rear wiper from automatically activating when reversing.
Other Modifications:
-
Needle Sweep on Startup (Staging):
- Module: 17 – Instrument Cluster
- Coding: Go to “Customization” -> “Production” and activate “Staging”. Cycle ignition to complete.
- Effect: Enables a dramatic needle sweep across the instrument cluster gauges upon starting the ignition.
-
Seat Belt Warning Modifications:
- Module: 17 – Instrument Cluster
- Adaptation: “Disable Seatbelt” (yes/no) and “Seatbelt” (Variant 2/Variant 3)
- Effect: Disable or change the aggressiveness of the seat belt warning chime.
-
Hill Hold Assist:
- Module: 03 – ABS Brakes
- Coding: Byte 16, Bit 0 (Enable)
- Effect: Activates the hill hold assist feature. (Untested)
-
Mirror Dipping on Reverse:
- Module: Door Electronics – Passenger Side
- Coding: Byte 4, Bit 2 and Bit 3 (Untested)
Important Considerations
- Use a Genuine Ross-Tech Cable: Using a counterfeit cable can potentially damage your vehicle’s electronics. Invest in a genuine Ross-Tech cable for reliable and safe coding.
- Backup Your Existing Coding: Before making any changes, always back up your current coding in case you need to revert to the original settings.
- Proceed with Caution: While these modifications are generally safe, incorrect coding can lead to unexpected results. Double-check all codes and procedures before implementing them.
This guide provides a starting point for customizing your Audi A1 with VCDS. Remember to research thoroughly and proceed cautiously to ensure a successful and enjoyable coding experience. Always refer to the official Ross-Tech documentation for the most up-to-date information.
