Did your vehicle's check-engine light just pop on? An OBD-II scanner can point you in the right direction—and potentially save you a bundle.

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Best Overall: Innova OBD2 Scanner Best Value: Motopower OBD2 Scanner Code Reader Best High-End: Topdon Artidiag Pro San Tool Best for Smartphones: BlueDriver Pro OBD2 Bluetooth Car Diagnostic Scan ...

The Innova CarScan Mobile 1000 is one of the most innovative Bluetooth OBD scanners, with a near-unbeatable price tag.

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 ...

Nearly all TTAC readers and writers have wrenched on a vehicle equipped with the OBD-II diagnostic system. Having a handheld code reader in yer box of tools can help douse that infernal check ...

From affordable diagnostics to tech-ready computers, we rounded up the best OBD-II scanners on the market with the help of our friends at the Gear Team.