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.

Once connected, the code reader begins a check of the car's computer to decide which communication protocol to use. There are currently five protocols, or sets of communication rules, used by ...

Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.

San Jose, California, America’s 10 th largest city, isn’t just content to put license plate readers on police cars anymore—rather, it now wants to deputize garbage trucks to be an additional ...