Opel Műhely Hibakódok is a free Android application that helps identify fault codes for Opel vehicles. By reading the error codes through pedálteszt and entering them into the application, users can receive the error report in Hungarian. The app currently contains 22 error codes related to engine codes, and it is continuously expanding.

It is important to note that the translation of error codes is still in progress, and there may still be some error codes in English. Additionally, internet access is required to use the application. Opel Műhely Hibakódok is a useful tool for Opel vehicle owners and technicians who want to quickly and easily identify fault codes without the need for manual decoding.