Scan Tool 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 ...

Available with a subscription, which costs between $75 per day and $700 per year, Tesla Toolbox is a browser-based diagnostic ...

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Harbor Freight carries a wide-variety of products, including diagnostic tools like the Icon T10, but it comes at a price. Here's everything it can do.