How to Use a Scan Tool There are countless scan tools on the market today. Some are available from major retailers for less than $30, while other, professional-grade offerings can cost thousands.

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

Here's how to read OBD codes so that when that Check Engine light pops on, you can use an OBD scanner to find out what’s wrong with your vehicle ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.