Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

Physical OBD locks cover the port itself, typically encasing it with solid metal. An access panel can be opened using a key, ...