It is prudent for a mechanic to erase codes, operate the vehicle, and then see what codes come back. If a code returns, underlying problem is likely a valid one.

How to Use An OBD Scanner 1. Connect The Scanner Your OBD scanner will have a connection cable with a 16-pin trapezoidal plug at the end. This plug goes into your vehicle’s OBD port, also referred to ...

If, for whatever reason, you can’t figure out how use your phone’s built-in QR reader, there are many free easy-to-use QR code reader apps available for iOS and Android.

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them ...

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.

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.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.