Jpdiag

Thanks, will buy one and test when back in Sweden.

OK, thanks. Will test on cars. Tested both M3C and Melcodiag many times.Also downloaded and installed M3C as a separate program but same result. I will fly to Tenerife tomorrow so further testing has to wait 3 weeks.
I am quite sure it must be a defect ELM cable so if you have a link to a cable that ...

Sorry but do not understand. Whot other software could i test? I have downloaded the latest USB drivers.

Today i borrowed a Windows 11 PC. Downloaded Melcodiag and exactly the same problem "cannot initiate ELM". Using correct COM and tried different speeds.

It´s ELM327 V1.4. Com 6 in one of the PC:s, Com 3 in the other so they should be correct.

Hello. I have been trying to connect Melcodiag and M3C9 to my Monster 1100 EVO to reset service wrench. Used 2 different laptops with Windows 10, Lonelec 4 pin cable and ELM 327 which should have correct chip, pic18f24k80. I know the right COM port number also and have tested with diffrent COM:s and ...