It will then attempt to "Check for Password." This is where the GPT cable does its work.
: Select the Tricore GPT protocol. This is often listed under Protocol 700 for this specific ECU. How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
and select the model (e.g., ML 350 BlueTEC) or the specific ECU: Bosch EDC17CP57 IROM TC1793 GPT The software will suggest the correct protocol (often Plugin 700 or similar for EDC17 GPT). Step 2: Wiring & GPT Connections It will then attempt to "Check for Password
The pinout for EDC17CP57 (bench connection): How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
Ensure your computer is to prevent software/firmware issues.
Note: Some GPT cables need jumper changes inside the green box – verify against your Ktag pinout diagram.