The Drive's DIYers show you what an OBD2 scanner is, how it works, how to use one, and which is the best you can have in your home garage.

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

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

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

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.

While the purpose of an OBD2 scanner can prove invaluable in diagnosing a vehicle’s issues, the cost of entry varies widely.How much you spend on an OBD2 scanner depends on your specific needs ...

Read diagnostic trouble codes (DTC) with the Black and Decker SmartScan OBD II Vehicle Scanner. For more on this code reader, check out Off-Road Magazine.