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In the tuning industry, June 2020 marks the "Great Lockdown." While older Bosch MG1 and MD1 units (Aurix TC2xx) were easily bypassed via traditional bench protocols, the newer hardware revisions introduced a security architecture that essentially "bricked" the standard reading methods for nearly all aftermarket tools.

The Core Architecture: Aurix TC3xx & SBOOT

The shift moved from the older Infineon Aurix TC2xx to the TC3xx series

If you drive an Audi from the 2010–2020 era—specifically an A4, A5, A6, Q5, or Q7—you may have encountered a terrifying red warning on your dash: "Brake system fault: stop carefully."