Modern OBD2 scanners let everyday drivers peek into their car’s brain, revealing trouble codes and live data once reserved for mechanics. With the right hardware and software, you can decode issues, ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

A range of 2026 buyer’s guides and MSN automotive features identify standout OBD-II scanners and diagnostic tools for both DIYers and professionals. Reviews emphasize capabilities such as live data ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?