While pricey, the Innova CarScan Pro 52 is a must-have for those who want to know what’s wrong with their cars. On the downside, the CarScan Pro 5210 has a 27-inch cable, which is short, and its overall dimensions feel bulky, particularly compared to the smaller and lighter EDIAG YA-201. It found the fault I introduced to my 2014 Audi AllRoad and turned off the car's check engine light. With a 9-key interface, the Pro 5210 is one of the easiest of the best OBD-II scanners to navigate. The software explains the repairs and even the parts needed to fix the car. The CarScan Pro 5210 goes beyond displaying the expected fault codes with a Bluetooth connection to a phone or tablet and Innova’s Repair Solutions2 free app.

Its LED lights glow red for a permanent fault, yellow for an intermittent fault and green for no problems. The Pro 5210 scanner’s 2.8-inch color screen is bright and its narrow and long aspect ratio means it can squeeze in lots of automotive details, from fault codes to live data to a pre-inspection check. The Innova’s CarScan Pro 5210’s can tell you more about your car than the competition, which is why it is our top pick among the best OBD-II scanners. The best OBD-II scanners you can buy today See all of our picks for the best OBD-II scanners below. It does double duty by providing a small but efficient cabled handheld scanner for nosing around under the hood, and it can also wirelessly receive OBD data to serve as an auxiliary gauge inside the cabin to display key engine parameters. The Innova provides code definitions to help you easily identify car problems and the Repair Solutions2 app helps you get verified fixes and will give you the exact parts you need, recall info and more.Īncel's BD310 is another great OBD-II scanner. It offers a relatively big color display and delivers a ton of useful data. The best OBD-II scanner we used and tested is the Innova CarScan Pro 5210.

One of the best OBD-II scanners is no longer an unaffordable luxury, but something you need to have in your car.

Whichever type of device you choose, there are several high-performance OBD-II scanners that cost less than $100. Wireless OBD2II scanners plug into the port, but then connect via Bluetooth to a smartphone or tablet.

Handheld OBD-II scanners come with their own screen and cable to plug into the car's OBD port.

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