: Using an incompatible version of K-Suite for the specific ECU protocol can cause communication failures. Some users find that switching to KESS or FGTECH for specific BDM reads solves the issue. Recommended Solutions 1 Check Power Supply
: K-TAG often relies on the input voltage to power the ECU. If your power adapter provides less than the required voltage (e.g., only 12V when 13.5V+ is needed for certain Bosch ME7 units), the ECU may not wake up or communicate properly. ktag hardware configuration not supported