Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can help you identify the problem yourself.

Like most code readers, the FIXD module plugs into your vehicles OBD-II port and uses Bluetooth to connect to your phone. The App will connect to your car and give you all the current information.

Code readers are typically reasonably priced, easy to use, read/clear DTCs and reset the CEL. Scan tools cost more than code readers.

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

Having a hard time interpreting the car codes your dashboard is displaying? Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble ...