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Posts Tagged: OBDII readiness monitor

OBDII Readiness Monitor

What is a readiness monitor and how do they work? An OBDII  readiness monitor is a software protocol in the car’s computer that self-tests every section of the emissions system. The system was developed to prevent drivers from gaming their state’s emissions testing. In the past, drivers would get a trouble code showing a problem with a sensor or a system issue that was outside of spec. They would then disconnect the battery cables or use a scan tool to erase the stored codes and do a hard reset on … Read More


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