What Are Trouble Codes? Diagnostic trouble codes help narrow down and pinpoint specific areas and elements that could cause the CEL to illuminate. Never ignore the CEL. Most codes have to do with ...

An OBD-II reader attaches to a connector near your steering wheel, scans the vehicle's computer, and provides owners with a specific code for the issue at hand.

The auction company has streamlined OBD2 (onboard diagnostic II) scans through a new process, meaning inspections at ADESA vehicle logistics centers will include emissions codes more clearly ...

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. Of course you have to ...