OBDport
The OBD port, short for on-board diagnostics port, is a standardized electrical and data interface found in most modern vehicles. It provides access to diagnostic information and a vehicle’s self-check data, allowing tools to read trouble codes, monitor emissions-related parameters, and retrieve various live data streams. In common usage, the term refers to the OBD-II port that is standard in newer cars.
OBD began with earlier, manufacturer-specific systems, but OBD-II introduced a universal 16-pin diagnostic connector and standardized
Physical characteristics and location
The OBD-II connector is a 16-pin data link connector located under the dashboard, usually on the driver’s
Diagnostic tools connected to the OBD port can read Diagnostic Trouble Codes (DTCs), view freeze-frame snapshots,
Limitations and considerations
Not all data or functions are available on every vehicle, and newer data may be protocol-specific. Security