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What is OBD?

April 26, 2017OBD

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What is OBD?

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OBD stands for On Board Diagnostics, a standard interface used on automobiles to monitor some components, detect malfunction and store the information in the vehicle’s on-board computer. The latest version, OBD2, is now a worldwide standard.

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“OBD” is the acronym that indicates “on-board diagnostics”. The OBD is a computer system in a vehicle that monitors the engine and the other systems of the vehicle. All light-duty vehicles that were manufactured since 1996 have included the OBD system. The OBD system diagnoses the vehicle and then warns the driver or the automotive technician about a possible problem by illuminating the MIL (malfunction indicator light) or “Check Engine” light. Some of the problems the OBD system detects can increase the exhaust emissions to levels that are higher than the levels allowed by Federal standards.