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 ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...

The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...

Danny Gredinberg, administrator of the DEG, shares what he's learned about documenting ADAS diagnostics in the repair ...