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 ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

Here are the best OBD2 scanners for smarter vehicle diagnostics for modern drivers that are worth checking out.

LONDON--(BUSINESS WIRE)--The automotive on-board diagnostics (OBD) market is expected to grow by USD 34.83 billion during 2020-2024. The report also provides the market impact and new opportunities ...