Imagine quickly diagnosing why your car's check engine light is on. A scan tool, also known as a trouble code reader, can ...

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

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 ...

Eric Andersen from Cognex Corporation demonstrates the operation of a liquid lens that lets a code reader autofocus on small to large 1D and 2D bar codes. 2:02 Machine Design distills the cutting-edge ...