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

Just link the code reader to the vehicle's 16-pin DLC using the supplied adapter cable and wait. Remember, all of the link ports are the same here, so there's only one cable, one connection.

An OBD2 scanner that can read your vehicle’s trouble codes is a critical tool for DIYers. But even if you don’t like turning wrenches yourself, it’s hugely helpful to be able to get an idea of what’s ...

The scanner you buy should depend on which cars you plan to use it on most often. Some code readers are designed to work best with certain brands or even certain cars.

We recently got our hands on the new GoTech mobile OBD-II diagnostic tool and put it through its paces on several trucks in our fleet. The GoTech is more than just a code reader, though.

Already an affordable option, right now you can save over $25 on this diagnostic code reader from trusted brand Ancel.