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.

We'll explain how to use an OBDII code reader to clear Cummins fault codes, and we'll also explain how to clear the codes if you don't have access to a scan tool.

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.

Rev interfaces with a WiFi OBD-II dongle. If your check engine light is on or flashing, REV is able to check the engine code, list all of the engine codes stored in the vehicle, and reset the ...

Even if you have zero tools or the ability to repair your own vehicle, an OBD reader can still save you money by ensuring that a mechanic is providing an accurate, honest diagnosis of the problem ...

Already an affordable option, right now you can save over $25 on this diagnostic code reader from trusted brand Ancel.