Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

The Drive's DIYers show you what an OBD2 scanner is, how it works, how to use one, and which is the best you can have in your home garage.

Did your vehicle's check-engine light just pop on? An OBD-II scanner can point you in the right direction—and potentially save you a bundle.

Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems.

A code reader for your car can mean the difference between dropping everything and heading for the mechanic and letting that warning light ride a little bit.

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

If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then ...

Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can help you identify the problem yourself.

Code readers come in all shapes and sizes. As noted earlier, even cheap ones will get the job done if all you plan to do is read and clear trouble codes. Perfectly usable, though very simple ...