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

The Drive's DIYers show you what an OBD2 scanner is, how it works, how to use one, and which is the best you can have in your home garage.

If you own a car, you need an OBD2 scanner. The most basic function of these devices is to tap into your vehicle’s onboard diagnostics system to read and clear engine trouble codes. But then ...

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

Reading and understanding OBD2 trouble codes today couldn't be easier. This is partly because of tools like Innova's Digital CAN OBD2 Code Reader.

Having a hard time interpreting the car codes your dashboard is displaying? Car codes can be confusing, so here are the best OBD2 scanners for reading, analyzing and clearing diagnostic trouble ...

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

The OBD2 scanner is on sale at Walmart for $16, and shoppers say it "functions flawlessly." ...

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

What follows is some of what an OBD2 scanner can provide: Diagnostic Trouble Codes (DTCs): OBD2 scanners can read and interpret DTCs, which are codes that indicate issues within the vehicle's systems.