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

What is an Automotive Scan Tool? But first, what is an automotive scan tool? Simply put, it’s a device that plugs into the diagnostic port found on essentially every modern vehicle. These ...

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.

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 point you in the right direction—and potentially save you a bundle.

How to Use a Scan Tool There are countless scan tools on the market today. Some are available from major retailers for less than $30, while other, professional-grade offerings can cost thousands.

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.

Topdon TopScan OBD2 Scanner Bluetooth for $54 (save $45): The bi-directional scan tool enables you to send commands from your smartphone directly to the vehicle's ECU for active testing.

If you have a check engine light on, a diagnostic tool is great for troubleshooting the problem. Here's what you need to know before buying one.

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).

Harbor Freight carries a wide-variety of products, including diagnostic tools like the Icon T10, but it comes at a price. Here's everything it can do.