Update Information On New Protocol For Continental Simos19.3 And Simos19.6 Ecus – Vag Group On Kess3 Device

22/09/2025 – Alientech Suite Upgrade 2.43

Alientech has just announced a new update for KESS3 and Powergate, enabling reprogramming of Continental SIMOS19.3 and SIMOS19.6 ECUs for VAG group vehicles via the OBD diagnostic port. This is a significant advancement, expanding the ability to work on 2.0 TSI and TFSI engines (from 245 horsepower) of VAG group vehicles from 2018 to the present.

With this update, you can perform reprogramming operations quickly and safely directly at your workshop through the diagnostic port. This provides an opportunity to expand services for iconic and in-demand vehicle models, ensuring comprehensive service for customers owning Audi, Cupra, Seat, Skoda, Porsche, and Volkswagen brands.

Technical focus

• Connection: OBD
• ECU: Continental SIMOS19.3, SIMOS19.6
• Production years: 2018-present
• Brands innvolved: Audi, Cupra, Seat, Skoda, Volkswagen

Supported vehicles

• Audi: S3, TT
• Cupra: Ateca, Leon, Formentor
• Seat: Ateca
• Skoda: Octavia RS, Superb
• Volkswagen: Golf GTI, Golf R, T-Roc R