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Inspection/Maintenance (I/M) Ready Status


I/M ready status means a flag for each emission test has been set in the PCM. I/M ready status indicates that the vehicles on-board emissions diagnostics have been run. The status flag does not display passed or failed, only that the on-board diagnostic test was completed. The I/M ready status is used for tests that are not run continuously during a drive cycle but are only run once per trip.