An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems.

Check out how to read OBD-II engine codes and learn what they all mean. Get all the details here in this month's issue of Turbo & High-Tech Performance.

It stored a defined Diagnostic Trouble Code (DTC) in its computer memory and evoked an amber dashboard light. The ability to self-diagnose was often a confounding aspect of the GM system.

When something goes wrong, the OBD computer stores a five-letter diagnostic trouble code (DTC) that summarizes the issue at hand. These are also commonly known as OBD codes or OBD-II codes.

For instance, code readers provide basic functionality to read and clear codes connected to the problems of a car that comes equipped with the advanced onboard diagnostics (OBD) system.

If you don't know the meaning of your C5 trouble codes, this article will teach you all C5 diagnostic codes through the driver information center. You can also find out exaclty what the problem is ...

Onboard diagnostics provide near-universal codes, allowing users to understand what is going wrong in their vehicle. By understanding the differences in OBD versus OBD II and the different code ...

Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits.

Diagnostic code monitoring is critical to machine maintenance and uptime optimization, which ties in directly with equipment return on investment (ROI). Diagnostic codes are sometimes called “fault ...