Diag App is a comprehensive tool for searching OBD DTC fault codes, even without an internet connection. With over 70,000 fault codes available for embedded automotive electronics systems, this app offers a wide range of features. It includes generic codes as well as codes for popular car brands like Chevrolet, Fiat, Ford, Volkswagen, Renault, Peugeot, and more. Additionally, it provides translations for over 50% of the generic codes into Portuguese while keeping the original English text. Users can also utilize Google Translate for further translations and view images and videos related to the searched codes. The app also features a handy unit converter for added convenience.