Join Date: Apr 2007
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PROBLEM: When I scan the vehicle, it says NOT READY in the second line.
CAUSE: The vehicle has not completed its "readiness" tests since the last time it was cleared or
the battery was disconnected.
SOLUTION: It will continue to say "NOT READY" until all on board diagnostic tests have
been completed. This does not mean that it is not ready to be scanned.. To get to this screen the
vehicle computer reported that no trouble codes exist. Some states require that some or all onboard
tests be completed and no trouble codes be present to pass emissions testing. When the
ScanGaugeII reports No Codes Found and READY, the vehicle is ready to pass emissions.
Some states allow some tests to not be completed and can pass the vehicle even when the
ScanGaugeII reports NOT READY.