: It displays part number supersessions (when an old part is replaced by a newer version) and lists which parts are shared across different models or brands within the VW Group.

The system is constantly updated with supersessions (where a part is replaced by a newer version) and new model data to ensure accuracy. Why It Matters for VW Owners

It helps users understand the logic behind VW and Audi part numbers, which often indicate the vehicle model, part category, and specific engineering revision.

While ETKA focuses strictly on , it is often used alongside other VW technical systems: