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

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

A car diagnostic scanner — aka an on-board diagnostics scanner or an OBD2 code reader — is a device that communicates with your vehicle's computer system to retrieve information about its performance ...

The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, thanks to the numerous sensors connected to the data network in the modern vehicle.

The best OBD-II scanners are a must for any car owner, thanks to their ability to unlock the secrets of your car. It doesn't matter how laid back you are, a mysterious light on your dashboard is ...

and there is an LED in the plug to illuminate the OBD port. Once connected, the information is displayed on a 2.4-inch colour screen. It tells you the code number and gives details, including ...

Often, however, the explanation is simple and the problem is an easy fix. OBD stands for On Board Diagnostics, and an OBD-II scanner can check on your vehicle's vital systems, providing valuable ...