How to use Kess V2 clone to Unlock PCR 2.1?

Problem:   I try more times with KESS v2 clone to unlock a pcr2.1 eeprom in bench, I get an error with KESS when I select READING EEPROM and after display “start communication”. The wires are OK and voltage is OK, KESS works fine.   These are the images of my connection: Experience for sharing and how-to guide:…

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