Bosch MG1CS036 - TC399 | bFlash FAQ

Bosch MG1CS036 - TC399

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Further Information on Bosch MG1CS036 - TC399

About the Control Unit

The Bosch MG1CS036 is a state-of-the-art Engine Control Unit (ECU) part of the Bosch MG1 family. It is built upon the powerful Infineon Aurix TC399 multi-core processor architecture, specifically designed to handle the complex computations required by modern high-performance petrol engines. This ECU is primarily found in premium vehicles within the Volkswagen Audi Group (VAG) and luxury brands, managing advanced features such as cylinder deactivation, precise twin-turbo control, and sophisticated exhaust after-treatment systems to meet strict emissions standards.

Common Car Models

Audi RS6 / RS7 (C8)
Lamborghini Urus
Porsche Cayenne Turbo
Bentley Bentayga V8
Audi A8 / S8 (D5)
Volkswagen Touareg V8 TFSI
Porsche Panamera Turbo S

Technical Concepts Explained

TC399 Processor: The flagship of the Infineon Aurix family, offering multiple cores and advanced safety features for critical automotive performance tasks.
Checksum: A mathematical redundancy check used to ensure the data integrity of the ECU's software after modifications, preventing engine start failures.
OBD/Bench/Boot: Communication protocols used for reading and writing ECU data. Bench refers to connecting directly to the ECU pins without opening the casing.