You must connect the GPT cable and standard power/CAN wires to the ECU's pins. Follow the standard Bosch EDC17CP57 pinout: Red (+12V): Connect to the power pins. Black (GND): Connect to the ground pins.
To put the ECU into "Boot Mode," you must connect a grey wire (Boot) to the specific boot pin on the PCB. In many Mercedes EDC17CP57 variants, this involves a single soldering point or a probe held firmly against a small resistor or pad on the underside or topside of the board. The Reading Process Once the hardware is connected and the ECU is powered up: Click "Select" on the protocol in KSuite. Go to the "Read" tab. How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
: Preferably the "Red PCB" version for better stability with newer Tricore protocols. You must connect the GPT cable and standard