This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

OBD Server - a simple implementation of a RESTful app, compiled into a runnable JAR. Enable the upload functionality in preferences Set proper endpoint address and port in preferences. Have you ...

It’s no secret that, in the car repair business, the best Bluetooth ODB2 app is costly. They can very quickly get expensive when you start purchasing professional equipment that can go through every ...

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 ...

What do you do when the "Check Engine" light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...

If you've ever gone to a mechanic for a check engine light problem on your car, then chances are you've heard the technician say something about an OBD scanner. It's a handheld phone-like device that ...

If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then, ...

What do you do when the 'Check Engine' light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...

What’s an OBD-II (sometimes alternatively referred to as OBD-2, and other times in either form absent the interstitial hyphen) scanner? Answering that question first requires an understanding of what ...

Weekend wrenchers rejoice: there’s finally a CarPlay-compatible OBD scanner app available for iPhone users. It’s called OnTrack. For years we’ve been restricted to using a phone mount to diagnose cars ...