The OBD-II standard specifies the type of diagnostic connector and its pinout, the electrical signaling protocols available, and the messaging format. It also provides a candidate list of vehicle ...

You may have even noticed its 16-pin connector lurking underneath the driver's side dashboard, but what is it? Required since the mid-1990s, OBD-II — short for Onboard Diagnostics II — is a ...

every car sold in the United States since 1996 and in Europe since 2001 comes equipped with a connector known as an OBD-II (Onboard Diagnostics 2) port that gives the manufacturer, independent car ...