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What is OBD?

OBD stands for On-Board Diagnostics. In the early 1970s the U.S. adopted The Clean Air Act, which mandated that vehicle manufacturers develop more efficient, lower emission vehicles. Manufacturers soon determined that mechanical systems alone were not sufficient to achieve the emission reductions required by the new law. This led to the development of the first computer-controlled automotive OBD. A car's OBD system is comprised mainly of software designed into the vehicle's on-board computer to detect emission-control system malfunctions as they occur by monitoring virtually every component and system that can cause increases in emissions.



 

 
 
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