This story appears in the March 23 print edition of Transport Topics. Click here to subscribe today. Truck technicians next year will have to deal with a pronounced increase in engine fault codes ...

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 ...

That Check Engine light can mean so many different things, as can any noticeable difference in your car's performance or weird sounds. Fortunately, there are ways to narrow down the problem using ...

Cars are more than just oil and steel. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components. That means maintaining your car's ...

If you've ever seen a port by your car's dashboard that can't charge your phone or provide auxiliary power from your vehicle's battery, there's a good chance that it is an OBD (On-Board Diagnostics) ...

The technology available to managers and service technicians on their smartphones continues to get better—now Cummins engine owners can use a mobile app to read prioritized engine fault codes and ...

Throughout your vehicle’s lifetime, you will encounter a range of issues. For instance, your brake pads may become worn, your AC unit might start to produce an unpleasant smell, or your axle may break ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light ...

Car ownership and maintenance can be expensive, and there's nothing worse than firing up your vehicle and seeing the dreaded check engine light. I've been in that situation, and fortunately, this ...