The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, thanks to the numerous sensors connected to the data network in the modern vehicle.

Modern vehicles are rolling computers, with systems managed by embedded hardware and software designed to talk to the manufacturers' diagnostic tools locally and wirelessly. While this complexity ...

The best OBD-II scanners are about as far from the expensive luxuries of the past as you can get. The fact is you don't need to enlist the services of a mechanic to diagnose problems in your car ...

A garage will charge for this diagnosis, but it is easy to check yourself using an On Board Diagnostics (OBD) reader, which simply plugs into a standardised socket present in almost every car made ...

Want to identify your car’s faults quickly and easily? We’ve tested the best OBD-II scanners around to find out which reign supreme Today’s vehicles may be festooned with exotic tech ...