While the hardware interface is fairly standardized now, manufacturers use one of several different standards to encode the data. [Alex Sidorenko] has built an open source OBD-II Adapter which ...

OBD-II became the mandatory I/O diagnostic port on cars starting around 1996 in the US. Considering that the interface consists of a couple of I/O lines, serial/usb adapters have been ridiculously ...

Technology has made an extreme improvement in the accessibility of diagnosing vehicular issues. Long gone are the days of ...

This port is where you plug into the car and interface with the onboard computer. A variety of devices can be plugged into the OBD-II port including OBD-II scanners, insurance black boxes ...

But do they actually work? In a word, no. The plug-in modules connect to the diagnostic interface (OBD2), which has been available in almost all vehicles for around 20 years and is used by ...