Several third-party apps can be used on a smartphone ... One of the smallest in this best Bluetooth OBD2 scanners test, this proved difficult to unplug from the OBD2 socket on some cars.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The best OBD-II scanners can unlock the secrets of your car, connecting to the onboard ...

and many OBD2 scanner companies have their own apps as well. Make sure that Bluetooth is enabled once installed. Open the OBD2 app on your phone. It may prompt you to select your OBD2 adapter or ...