ELM327 is a popular car scanner used for diagnostics of OBD-2 compliant vehicles, both with computers and most modern mobile devices - tablets, smartphones, etc. All known protocols of the ODB2 family are supported and compatibility with numerous diagnostic software is claimed. Communication with a PC or mobile device is done via Bluetooth wireless protocol. The main features of the scanner are reading and viewing all fault codes, identifying faulty sensors, resetting errors and much more.