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

Does a check-engine light really mean something is wrong with your engine? An OBD2 scanner can tell you. What you should do if your idiot light comes on.

What’s an OBD-II (sometimes alternatively referred to as OBD-2, and other times in either form absent the interstitial hyphen) scanner? Answering that question first requires an understanding of what ...

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

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.

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.

This is one of the only, if not the only CarPlay compatible OBD scanner apps on the App Store.

From affordable diagnostics to tech-ready computers, we rounded up the best OBD-II scanners on the market with the help of our friends at the Gear Team.