2 pc ELM 327 elm327 USB interface supports all

ELM 327 USB interface supports all OBDII protocols
OBD-II Software for ELM327 is a free program that allows you to use your PC and a hardware interface to get the information from your car′s computer.
The program is very user-friendly, and easy to learn. It is also very easy to install:
simply extract the files into a folder on your computer′s hard drive, and you′re ready to go. To uninstall the program, simply delete the entire contents of the folder where the program resides.