Once limited to reading generic trouble codes, OBD2 scanners now range from inexpensive handhelds to advanced diesel diagnostic platforms. Modern tools can handle manufacturer-specific codes, ...

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

On-board diagnostics (OBD-II) scanners, required in U.S. vehicles since 1996, have progressed from simple fault code readers to advanced systems capable of real-time data monitoring and, in some cases ...

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 ...