That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available ...

Most drivers think the OBD-II port is only for check engine lights, but the right scanner can unlock live vehicle data and deeper diagnostics.

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 ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?