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OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this self-diagnostic is a requirement to comply with federal emissions standards [1] to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it was originally certified.
A vehicle tracking system combines the use of automatic vehicle location in individual vehicles with software that collects these fleet data for a comprehensive picture of vehicle locations. Modern vehicle tracking systems commonly use GPS or GLONASS technology for locating the vehicle, but other types of automatic vehicle location technology ...
Hum is a vehicle diagnostic and tracking system from Verizon Communications. The system is composed of two devices: a diagnostics reader which connects to a vehicle's OBDII and a speaker with Bluetooth connectivity that can be clipped to the visor. [1] A monthly subscription is required, but also includes a mobile application for reviewing ...
3. Carfax. Although a comprehensive VIN check from Carfax requires a fee, you can still snag free information on some issues regarding used cars. These include airbag issues, open recalls, flood ...
Automatic vehicle location. Automatic vehicle location ( AVL or ~ locating; telelocating in EU) is a means for automatically determining and transmitting the geographic location of a vehicle. This vehicle location data, from one or more vehicles, may then be collected by a vehicle tracking system to manage an overview of vehicle travel.
The data link connector (DLC) is the multi-pin diagnostic connection port for automobiles, trucks, and motorcycles used to interface a scan tool with the control modules of a given vehicle and access on-board diagnostics and live data streams. Prior to 1996, many OBD-I data link connector's were in the engine compartment, usually near the fuse ...
When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem detected. The code is usually a combination of letters and numbers. DTC codes are read by a diagnostic tool, such as an OBD 2 scanner, which is plugged into the vehicle's diagnostic port. The tool communicates with the ...