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This is NOT a fault code. It is an indicator code that simply means all the self-tests have not been run yet since the last computer reset.
It's primary practical effect is to keep vehicle owner's from cheating on emissions tests.
That means there are no codes set and there aren’t enough drive cycles yet completed since the last time the codes were cleared. Once enough drive cycles have been completed you will get system passed or a fault code.
Most likely you need to take a drive, 10 minutes at highway speeds and 20 minutes at city speeds, without turning off the engine. Also while driving at city speeds there has to be several periods of stop and go.
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