A free program for Android, by Parity Zone.

OBD2 is a free app that lets you diagnose problems with your car’s engine. This app works with any ELM327 Bluetooth Smart device and can scan for and diagnose many different types of errors and faults.

This tool can work with any ELM327 device, which is a device that can scan for different errors and faults. This app works by connecting your phone or tablet to an OBD2 Bluetooth scanner tool. Before downloading OBD2, do take note that this app doesn’t work as a standalone tool.