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 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 ...

Actron The primary purpose of the OBD-II connection is for emissions testing, but one of the first and most widespread applications available to consumers is the scan tool or code reader.

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

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 ...