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.

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.

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 ...

A code reader for your car can mean the difference between dropping everything and heading for the mechanic and letting that warning light ride a little bit.

If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then ...

OBD stands for On Board Diagnostic, and an OBD reader plugs into a standardised socket to help you find out what fault codes have been raised. DIY readers are more limited than the equivalent ...

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

Launch Launch Creader 4001 OBD2 Scanner Diagnostic Scan Tool Car Code Reader for Turning Off Check Engine Light Reads and Clears Engine Fault Codes $36 at Amazon Credit: Amazon ...

Here's how erasing trouble codes can go very wrong for you and your technicians. The typical vehicle rolling into your service department is equipped with the OBD-II self-diagnostic capability.