![]() 1980: implements a proprietary interface and for testing of the (ECM) on the vehicle assembly line. Simple OBD implementations appear, though there is no standardization in what is monitored or how it is reported. 1978: On-board computers begin appearing on consumer vehicles, largely motivated by their need for real-time tuning of systems. History.ฤก968: introduces the first on-board computer system with scanning capability, in their models. Modern OBD implementations use a standardized digital communications port to provide real-time data in addition to a standardized series of, or DTCs, which allow one to rapidly identify and remedy malfunctions within the vehicle. Early versions of OBD would simply illuminate a malfunction indicator light or ' if a problem was detected but would not provide any information as to the nature of the problem. The amount of diagnostic information available via OBD has varied widely since its introduction in the early 1980s versions of on-board vehicle computers. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle subsystems. (June 2009) On-board diagnostics ( OBD) is an term referring to a vehicle's self-diagnostic and reporting capability. ![]() ![]() Unsourced material may be challenged and removed. This article needs additional citations for. ![]()
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