OBD-II Software for ELM327 USB is a free program that allows you to use your PC and a hardware interface to get the information AL OBDII USB V1.4 ELM327 CAN-BUS Auto Car Diagnostic ScannerFeatures:Very user-friendly, easy to learn and easy to install. The software supports two platforms - DOS and Windows.Read diagnostic trouble codes, both generic and manufacturer-specific, and display their ...