Present-day OBD is in fact a set of tools, codes, and procedures that allows the vehicle to determine if and what is wrong with itself, and then relay that information to humans whenever asked to.

Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

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

The OBD (On-Board Diagnosis) system in your Toyota Corolla will enable you to see what’s wrong with it without going to the service if you choose the low-budget DIY way.

OBD-II scanners are designed to read your onboard diagnostic system. Diagnostic Trouble Codes (DTCs) indicate an issue—but it's crucial to recognize that the scanner is just the starting point ...