Kess 2.90

Kess V2 2.90 is a specific software version used with the Kess V2 ECU programmer, a tool primarily designed for reading and writing Engine Control Units (ECUs) via the OBD2 diagnostic port. This version typically functions as part of the software ecosystem. Alientech UK Core Features of Kess 2.90 OBD2 Direct Communication

• Wide protocol and ECU support across major automotive suppliers.
• Mature read/write toolset with extensive community and third-party documentation.
• Flexible: supports both OBD and bench operations, plus cloning for many modules.
• Frequent incremental updates expanding coverage and improving stability.
• Practical features for real-world tuning shops: logs, session reports, and checksum handling.

Warning: A clone Kess 2.90 can permanently destroy an ECU by corrupting the bootloader. Professional tuners avoid clones. Kess 2.90

Is Kess 2.90 Still Relevant in 2025?

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. Kess V2 2