Dynamic turn signals, also known as sweeping turn signals, offer a modern and visually appealing upgrade for many Audi vehicles. This guide focuses on activating dynamic turn signals using VCDS (Vag-Com Diagnostic System) in an Audi A6 Allroad. We’ll address common issues, particularly when retrofitting facelift taillights, and provide insights into necessary coding and adaptations.
Understanding Dynamic Turn Signals and VCDS
Dynamic turn signals illuminate sequentially, creating a sweeping effect across the taillight cluster, improving visibility and signaling intent more clearly than traditional blinking turn signals. VCDS allows users to access and modify the vehicle’s control modules, enabling features like dynamic turn signals.
Retrofitting Facelift Taillights on a 2013 Audi A6 Allroad: A Case Study
A common scenario involves upgrading a pre-facelift Audi A6 Allroad (like a 2013 model) with facelift taillights that support dynamic turn signals. Even with correct wiring, using diagrams from sources like Audi erWin, the dynamic sweeping function might not work immediately after installation. This is because the vehicle’s Central Control Module (CCM) needs to be configured to recognize and activate the new feature.
This article examines a specific case where a UK 2013 A6 Allroad, already equipped with an upgraded CCM for keyless entry, underwent a taillight upgrade. Despite proper wiring connections from the inner and outer taillights to the CCM (pin 7 on inner lights and pin 5 on outer lights), the turn signals only flashed traditionally.
Example wiring diagram – consult your specific model’s documentation
Common Issues and Solutions: Enabling Dynamic Turn Signals
The lack of dynamic functionality often stems from missing coding or adaptation changes within the CCM. While a pre-existing CCM upgrade might support other features, it doesn’t guarantee compatibility with dynamic turn signals. Here’s where VCDS becomes crucial:
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Coding: Specific coding modifications within the CCM are required to enable the dynamic turn signal feature. This involves changing hexadecimal values within the module’s coding string. Consult your vehicle’s specific documentation or online forums for the correct coding.
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Adaptation Channels: Certain adaptation channels within the CCM might need adjustments to fine-tune the dynamic turn signal behavior. These channels control parameters like the speed and intensity of the sweeping effect. Again, refer to your car’s specific documentation for guidance.
Example VCDS Interface – consult your specific model’s documentation
Troubleshooting with VCDS Autoscan
The provided VCDS autoscan reveals a wealth of information about the vehicle’s modules. While no errors directly related to the turn signals were found, the autoscan confirms the presence of the necessary modules (CCM, taillight modules) and their software versions. This information is invaluable for identifying potential compatibility issues and guiding the coding process. Notably, a fault was found in module 09 (Central Electrics) related to the headlight range control module (J431). While not directly impacting the turn signals, addressing this fault is recommended for optimal vehicle functionality.
Conclusion: Activating VCDS Dynamic Turn Signals
Activating dynamic turn signals after a taillight retrofit requires careful attention to wiring and VCDS coding. Understanding your specific vehicle’s requirements and utilizing resources like Audi erWin and online forums are essential for success. By correctly modifying the CCM’s coding and adaptation channels, you can unlock the modern and stylish functionality of dynamic turn signals. Remember to always double-check your work and proceed cautiously when modifying vehicle control modules.
