The 2.90 update brings enhanced support for various Bosch EDC17 and MED17 series ECUs, which are standard in modern European vehicles like BMW, Mercedes-Benz, Audi, and Volkswagen. It also offers extensive support for Asian vehicles. Cars, trucks, tractors, bikes, and marine.
: Select "ID" to identify the ECU, then "Read" to save the original file to your PC. This file is what you will send to a tuner for modification.
: Corrects "Unmatched Key" glitches and secure RSA signature errors that plagued earlier firmware setups. Vehicle & Protocol Compatibility Matrix Kess 2.90
This article dives deep into what Kess 2.90 is, how it differs from older versions, its technical specifications, compatibility, and the legal/safety considerations of using this powerful device.
: It is very common for clones to come with an old, buggy version of the software. Many users find that the Ksuite 2.90 they receive with their device is not a proper crack but a reskinned older version designed to deceive. Therefore, sourcing a known, verified version of the software from a trusted forum is often the first step in making the tool work properly. : Select "ID" to identify the ECU, then
The Kess 2.90 update brings several practical improvements that matter to tuners: expanded support for newer ECUs and transmissions, more reliable OBD and bench communications, and refined protocol handling that reduces failed reads/writes. Whether you run an original Alientech unit or a trusted clone, 2.90 streamlines many everyday tuning tasks.
: Plug your KESS V2 hardware into the computer's USB port. Verify that the device manager recognizes it under USB devices. Vehicle & Protocol Compatibility Matrix This article dives
Disclaimer: ECU tuning is a complex technical process. Improper modification of engine software can lead to mechanical failure, permanent ECU damage, or the voiding of manufacturer warranties. All tuning activities should be conducted in compliance with local emissions and safety regulations. Share public link
As vehicle cybersecurity increases (SFD protection on VAG cars, Bosch RDACS on BMW), the limitations of Kess 2.90 become apparent. It cannot read 2021+ Mercedes or 2022+ Ford trucks.