OBD ll Codes is a free diagnostic tool for Android devices developed by metraqapps. This app is designed to help car owners and mechanics identify and troubleshoot issues related to their vehicle's onboard diagnostics (OBD) system. With a user-friendly interface, the app provides a list of over 14,000 diagnostic trouble codes (DTCs) and their descriptions, making it easy to understand the issues affecting your vehicle.

The app allows users to search for codes by keyword or code number, making it easy to find the information you need quickly. Additionally, users can save their most frequently used codes to a favorites list for even quicker access. OBD ll Codes is an essential tool for anyone who wants to save time and money by diagnosing and fixing issues with their vehicle on their own.