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 ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes in seconds.

There is no one-size-fits-all tool to do everything, so you will need a checklist of what's required to do the job correctly.

For individuals in search of a comprehensive automotive diagnostic solution, the XTOOL D5S stands out as a high-quality option. With its exceptional performance and user-friendly design, the D5S ...