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

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.

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.