The Autel AL319 OBD-II scanner was slow to boot up, slow to read codes, and difficult to navigate. Thanks to a single directional button, churning through the menus takes some practice (and patience).

The hand-held Equus 3100 OBD-II code reader is versatile and easy to use. Just plug it into the diagnostic port, hit the link key, and wait for the codes to flow. The owner's manual has more than ...

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 Ancel BD310, the Gear Team's Best Overall choice for home OBD-II scanners, offers versatility with both corded and Bluetooth capabilities. In Bluetooth mode, its free app is simple to navigate ...

If you want to see vehicular data through the OBD-II port, you'll want to spend some more. For those interested in cheap scan tools, one of our favorites is on sale right now for over 50 percent off.