Kess V2 Protocol Not Found Link

Check the KESS V2 protocol list. If the ECU is marked as "Boot" or "BDM" only, you cannot read it via the OBD port. You will need to open the ECU and use a BDM frame or Boot wires.

: Clean the card slot and ensure the card has proper contact. Some users find that simply reseating the card resolves temporary read errors. kess v2 protocol not found