What Causes a “Not-Ready” Report? Causes of a “not ready” report: Recent vehicle repairs in which diagnostic trouble codes have been cleared with a OBDII scan tool; or, if the battery had been recently disconnected or replaced; or, if the vehicle’s computer requires a software update; or, a pending problem has not yet illuminated the “check …
https://dmv.ny.gov/brochure/what-do-you-mean-my-cars-not-ready