The range of vehicle diagnostic tools available for mobile phones is expanding. We covered some upcoming models at last year's Specialty Equipment Manufacturers Association convention. Now PLX, one of ...

“Helped me dx and solve a problem the first time I plugged it in.” Plugging a scanner into the OBD2 port under your steering wheel is one of the first steps a mechanic will take to diagnose customer ...

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 ...

An OBD2 scanner that can read your vehicle’s trouble codes is a critical tool for DIYers. But even if you don’t like turning wrenches yourself, it’s hugely helpful to be able to get an idea of what’s ...

Our entire lives are run through — and directed by — our smartphones, so it only makes sense that your car’s diagnostics would live there, too. Thanks to Bluetooth technology, wireless OBD2 scanners ...

Micah is a 20-year authority in the automotive industry with extensive experience founded on marketing, events, and racing. His writing beats can be found in various online publications such as Car ...

When my check engine light came on recently, I decided to try the FIXD scanner to avoid an unnecessary mechanic visit. The device plugs into the OBD2 port and pairs with my phone via Bluetooth, giving ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Modern cars are technological marvels, ...

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?

Something we all dread seeing is the check engine light popping up on our dash. Instead of guessing what’s going on, OBD2 diagnostic scanners can look over your car’s systems and help you figure out ...