We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.

When something goes wrong, the OBD computer stores a five-letter diagnostic trouble code (DTC) that summarizes the issue at hand. These are also commonly known as OBD codes or OBD-II codes.

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

OBD stands for onboard diagnostics, and an OBD-II scanner can check on your vehicle's vital systems, providing valuable information about warning lights, airbags, ABS, and more.

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

Before buying an OBD-II scanner, make sure it supports enhanced diagnostics such as ABS, SRS, and transmission codes for your specific make. This is particularly key on newer vehicles.

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.

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

When your check engine light comes on, it can be tough to figure out why. Since the mid-'90s, though, most cars are made with OBD ports that make things easier.