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

Diagnose auto troubles and check and reset warning lights with some of the best OBD-II scanners on the market. Many of these have been tested by the Gear Team.

Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

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.

Already an affordable option, right now you can save over $25 on this diagnostic code reader from trusted brand Ancel.