What does it mean when OBD scan says no codes?
What does it mean when OBD scan says no codes? Just because a scan tool check shows no codes found doesn't mean your vehicle will pass emissions. All of the OBD monitors must also be complete for your vehicle to be test ready. On this Innova scan tool, the emissions ready status is shown with colored LED lights. GREEN means no faults and the vehicle is ready to pass. Where is the OBD reader on my car? To perform this method: Plug the reader into the OBD port of your vehicle. This port is usually located on the underside of...