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Mode $06 is an advanced diagnostic mode that displays the actual test results for all the noncontinuous monitors (things like the catalyst monitor, EVAP system monitor, heated O2 sensor monitor, EGR flow, secondary air monitor and thermostat monitor). On the newer vehicles with Controller Area Networks (CAN), Mode $06 is also used to monitor misfires.
Mode $06 shows the actual self-test data the OBD II system generates and uses to detect faults and set trouble codes. Think of it as the pending code information that may eventually set an actual trouble code and turn on the check engine light (malfunction indicator lamp or MIL).
Mode $06 shows the actual self-test data the OBD II system generates and uses to detect faults and set trouble codes. Think of it as the pending code information that may eventually set an actual trouble code and turn on the check engine light (malfunction indicator lamp or MIL).