An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do ...

There's nothing more intimidating for many drivers than to find a warning error light appear on your vehicle dashboard. While some may be confident in their ability ...

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 ...

I was recently at a seminar going over some diagnostics for some of the problematic and reoccurring fault codes. The general discussion led us in an interesting direction about the nature of fault ...

In the January issue, we discussed the history of OBD. This time we are going to investigate some of the technology required to meet OBD II standards. To give an idea of the magnitude of technological ...