If you are a professional tuner or a car enthusiast using the Alientech KESS V2, seeing the "Protocol Not Found" error can be incredibly frustrating. This specific error message typically pops up when you attempt to communicate with an ECU (Engine Control Unit), effectively halting your remapping or diagnostic work.
Do you have the firmware version (e.g., v5.017) and K-Suite version currently in use so I can provide the specific files or steps for that model? Fix "Protocol not found" error on KESS V2 kess v2 protocol not found
What is KESS v2 Protocol?
If your computer sees the KESS V2 as an "Unknown Device," the software cannot send the protocol query. If you are a professional tuner or a
