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 info ...

Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble codes on your own.

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.