Using an OBD2 scanner is a relatively simple process that can provide crucial information about the vehicle’s electronic and mechanical components alike.

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

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

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.