Automobile OBD scanning devices plug right into a port that is located straight under the dashboard of every USA produced automobiles after the year 1996. A lot of generally pertained to as OBDII cars and trucks, just before 1996 traits weren't consistent and vehicle suppliers possessed a variety of techniques and vehicle diagnostics to identify concerns. Almost all vehicles built after the year 1996 were nourished with an OBDII device that makes it possible for global codes viewers to help find out troubles with the engine.