The only problem is, many of those QR code-reading apps for the iPhone just don't do a good job. That prompted me to sift through more than a dozen QR code readers to find some of the best. I came ...

One way to do that is with TOPDON’s CarPal Diagnostic Tool. It is an easy-to-use code reader that connects via Bluetooth to an app you install on your phone.

Use It's simple to use a bar code scanner once you have set it up. First, check the scanner to assure the reader light is active.

Some code readers are designed to work best with certain brands or even certain cars. I had to purchase a specific code reader from eBay just to clear the airbag light on my M5 after a sensor in ...

Android 13 Developer Preview 2 is out with a new QR Code reader. Here's how it work on your Google Pixel with Android 13.

QR codes are easy to use, if you know how to access the information they contain and have an internet connection.

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.