Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

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.

To help you pick an OBD2 scanner for your vehicle, we have compiled a list of the 10 best Bluetooth OBD2 scanners.

Finding where to plug a diagnostic tool Once you have your hands on a check engine light code reader or a scan tool, the first step in using it is to locate the diagnostic connector.

A basic tool for basic needs, this OBDII scanner is a no-brainer if you don't already have one in your toolbox.

We'll explain how to use an OBDII code reader to clear Cummins fault codes, and we'll also explain how to clear the codes if you don't have access to a scan tool.