An unstable power delivery can trick the K-Tag into reporting a hardware configuration error.
In the K-Suite vehicle selection list, look at the column. ktag hardware configuration not supported
Ensure you have selected the correct ECU Family in K-Suite. Reinstalling K-Suite can also resolve missing dependencies, such as Microsoft Visual C++ redistributables, which are required for proper operation. An unstable power delivery can trick the K-Tag
If the error persists despite troubleshooting, the specific ECU/hardware combination may simply be incompatible with your current setup. KESS V2 Master Version with Ksuite V2.80 Firmware V5.017 such as Microsoft Visual C++ redistributables
The internal micro SD card inside the K-Suite hardware holds protocols and configuration files. If these files become corrupted, the hardware fails to identify itself properly.