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

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 ...

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

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).

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.

For fans of DIY, the camera will also function as an OBD-II code reader. If you're driving along and your check-engine light comes on, Waylens will display the code that triggered the warning ...

HexCode GS-911: BMW Diagnostics On The Go When I got my first performance vehicle (a 2000 Subaru Forester STI) the first thing I bought for it was an OBD-II code reader so I could monitor the sensor ...