You must open the ECU cover to access the board. Locate the small "Boot" pad on the PCB (typically near the edge of the processor).
: Open KSuite and select the vehicle (Mercedes) or ECU type (Bosch EDC17CP57). Cable Preparation : Connect the to the Ktag main unit and the Main Power Adapter Hardware Connection How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
The Ktag 7.020 is a staple for EDC17 work. For the CP57, it is highly reliable once the correct GPT connections and boot pins are established. Unlike older versions, the 7.020 "Master" clones with GPT cables successfully bypass the password protection that previously required expensive original tools. You must open the ECU cover to access the board