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

We've all been there: you're driving along, minding your own business, when all of a sudden your check engine light comes on or you begin to hear a mysterious rattle that you can't quite identify. At ...

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

Diagnostic Trouble Codes If something is wrong with your vehicle, a scan tool can help you pinpoint the issue.

Reading OBD codes requires an OBD scanner, which can cost between $30 and $60. It’s a handheld tool with a 16-pin trapezoidal connector that plugs into the vehicle and interprets the OBD code.

The Zurich ZR-PRO scan tool is a professional-level OBD-II scan tool that can read active and pending DTCs and clear the malfunction indicator lamp (MIL).

Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

Instead of an integrated scan tool with a small, monochrome LCD, like the majority of models available, BlueDriver consists of an OBD-II dongle connecting to a smartphone through Bluetooth.

A basic tool for basic needs, this OBDII scanner is a no-brainer if you don't already have one in your toolbox.

Bluedriver's Bluetooth-enabled OBDII scan tool can help you monitor your vehicle's health.

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