I bought a tool for reading OBD II code, but cannot find the port on my Hyundai Elantra GT 2001. A: The OBD II socket is located under the drivers side dash, above the feet. It is excess able with out removing any panels for us Tech`s to faster read any codes in the ECU. If you would like to better understand what these codes mean then please click here. http://www.OBD-codes.com/trouble_codes/ I hope this will help you some. Good Luck!