We recently got our hands on the new GoTech mobile OBD-II diagnostic tool and put it through its paces on several trucks in our fleet. The GoTech is more than just a code reader, though.

Diagnose auto troubles and check and reset warning lights with some of the best OBD-II scanners on the market. Many of these have been tested by the Gear Team.

Check out how to read OBD-II engine codes and learn what they all mean. Get all the details here in this month's issue of Turbo & High-Tech Performance.

Most code readers should also be able to clear codes, meaning you can erase whatever trouble code the car has logged to trigger the warning light in question. My M5, for example, would throw an ...

An OBD reader is a tool that can communicate with your vehicle and highlight any problems that are present. Some tools provide the facility to clear fault codes while some do not.

Curious what OBD stands for in cars? Learn what On-Board Diagnostics means, how it works, and why it’s essential for vehicle maintenance.