Freeze frame data can be useful in understanding your vehicle and keeping the emission system well maintained. Check out here to know more about how it works.
Vehicles that are made in 1996 or later are required by law to have an OBD2 system, which lets you communicate with your vehicle to ensure the vehicle works well. Each car contains a DLC (Data Link Connector) which is to make a connection between the car and the scanner. Known as the OBD2 protocol, …
OBD2 is a modern diagnostic system that is found in most cars. Check out this article and you will know all about it.