The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...

Having a car (or truck or minivan or crossover) means electronic issues popping up every now and then. Here’s how to avoid the heavy costs. If you’re relying on a service center to assess the ...

Vehicle Diagnostics by Delphi is a wireless module that not only tells you where your car has been, but shows its current fuel and battery status. Wayne Cunningham Managing Editor / Roadshow Wayne ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

A car can be compared to the human body and may need diagnostic tests very often. For humans, when a patient consults a doctor about a symptom, the doctor runs a medical diagnostic test to ascertain ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...