Reply To: 2015 gv 250 efi elm327 connection
Thank you mate. I learned Hyosung ecu is delphi system and thats why with obd2 normal systems intel, impossible 🙂 only delphi obd2 system can diagnose this fckn brand s ecu. And there is no need to 4 pin use k-line, +12v and ground that we use. Other 1 pin is for updating ecu