Here’s how it works. The best OBD-II scanners can unlock the secrets of your car, connecting to the onboard computer and giving you access to the information it contains. Whether there's a ...

Walk into any parts store and there’s a shelf full of code readers. Most cost under $100. The box says it reads check engine lights and works on all cars. For someone doing basic repairs, that might ...

Instead, he built his own scanner for about 1/6th the cost. Interestingly enough, the scanner resembles what you might imagine a very early Kinect prototype looked like, though it functions just a ...