Jpdiag

I understand the reasoning, but the current registration process seems unnecessarily complicated based on the FAQ. I spent several hours attempting registration 25-30 times before finally getting a license file—which still doesn't work properly.

The software successfully connects and reads ECU type ...

I give up on this software. The registration process is just not working, no matter what you try. Very frustrating. I will look for other software Diagnostic solutions.

I was able to generate a license file and I am able to read from with ecu, but most functions are still inactive. The license file does not seem to be working. I did not modify the file name, placed it in the same folder with the melcodiag.exe and unblocked the file. The "Get license" button in the ...

New versions solved the problem. I can now communicate with the controller. Thx

Can you help with a COM issue. The MelcoDiag interface seems to be communicating, but the Get License process is not working due to the rquired missing information. Also, the debug report is showing reading errors and indication partial reading.

"File generated On 12/25/2025 2:45:06 PM"
"Software ...