For all its '81 vehicles, GM introduced a computer-controlled engine-management system named Computer Command Control. It became known as CCC or C-3. The engine controller—first called an engine ...

Most of us cringe in fear when the check engine light in the dashboard of a modern 4x4 is tripped on. Your mind begins to spin in frustration wondering what could have triggered it, how bad it really ...

The new Pro-Link+ from Snap-on combines hardware and software for a complete code-based diagnostic and repair platform for all makes of trucks. It provides a direct path from pulling a fault code via ...

Diesel Laptops is launching what it calls the first free, industry-wide mobile application for diesel engine diagnostic trouble codes; allowing truckers to search by manufacturer, model, and code ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...