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obdII

What is the onboard diagnostics system, OBDII?

June 21, 2022 By Jeff Shepard

OBDII is the second-generation onboard diagnostic (OBD) interface. The first generation of OBD coincided with the advent of onboard computers in vehicles. Initial OBD systems were intended to provide technicians with information on the status of various vehicle systems, with an indicator light on the dash to alert drivers of a malfunction. OBDII includes more […]

Filed Under: Automotive, FAQ, Featured Tagged With: automotive, diagnostics, eobd, FAQ, hdobd, obdII, pulsewidthmodulation, sensors, standards, variablepulsewidth

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