ODIS Service 25.0.1 + Engineering 19.0 is a full diagnostic and ECU coding solution for VW, Audi, Skoda, and SEAT (2020–2025). Supports DoIP, UDS, and CAN protocols. Includes activation, PostSetup, and installation guide. Compatible with VAS 5054A, 6154, and VXDiag on Windows 10/11.