EOBD Facile is the ultimate OBD2 Bluetooth car scanner. With an ELM327 adapter you will have the best ODB car scanner tool in your pocket! Your Check Engine Light is on? Run an OBD2 car diagnostic with your smartphone and discover the reason why the OBD light is on... No need to go to the mechanic for car maintenance! Connect an ELM327 diagnostic interface to your car's ODB port (OBD2) and run our OBD2 car diagnostics scanner app: you will be able to read the engine and transmission fault code