An OBD2 scanner that can read your vehicle’s trouble codes is a critical tool for DIYers. But even if you don’t like turning wrenches yourself, it’s hugely helpful to be able to get an idea of what’s ...

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If you don’t want to install third-party tools, use simple online QR code scanner tools. These online tools are more advanced now; they can even scan QR codes from an image and a live webcam ...

Therefore, you can purchase any global scan tool — often called a code reader — at most automotive parts stores or online. And yes, they all work on Fords. Have an automotive question?

5. If you have a basic OBD2 scanner, you may only see a code, such as P0171 or P0456, and nothing else on the display. In this case, you will need to do some research to find out what the code means.

Some even offer advanced features. Others are useless, with no legitimate product support. This list includes the best OBD2 scanner tool for every purpose and buyer, and it's updated periodically.

If you don't have access to a scan tool or aren't sure how to use a code reader to clear your codes, don't worry. As a former professional mechanic, a lifelong gearhead, and a diehard Cummins ...

QR codes are those square barcode-looking things that when scanned by your iPhone 16 Pro, Galaxy S25 Ultra or any other phone, can send you straight to a particular webpage or to download an app ...

5. If you have a basic OBD2 scanner, you may only see a code, such as P0171 or P0456, and nothing else on the display. In this case, you will need to do some research to find out what the code means.