OpenDiag

Unlock Your Vehicle's Hidden Data with Professional-Grade Diagnostics

OpenDiag transforms your mobile device into a powerful automotive diagnostic scanner. Directly access your car's ECU, read fault codes, and monitor live sensor data without expensive proprietary tools. This application provides a clear window into your vehicle's health, enabling proactive maintenance and informed troubleshooting for both enthusiasts and everyday drivers.

Core Diagnostic Functionality

The application establishes a direct connection to your vehicle's On-Board Diagnostics (OBD) system via compatible Bluetooth or Wi-Fi adapters. It supports multiple protocols including OBD-II, EOBD, and JOBD for broad vehicle compatibility. The core feature set allows for reading and clearing Diagnostic Trouble Codes (DTCs) from the Engine, Transmission, ABS, and Airbag systems. You can view detailed code definitions, possible causes, and suggested fixes. Furthermore, the app displays real-time vehicle parameters, graphing data like engine RPM, coolant temperature, vehicle speed, and fuel trim for comprehensive performance analysis.

Key Technical Advantages

The interface is designed for clarity, presenting complex diagnostic data in an organized, scannable format. It features a customizable dashboard where you can pin your most frequently monitored parameters. The app includes a built-in freeze frame function to capture sensor data at the moment a fault code is triggered, which is critical for accurate diagnosis. Performance is optimized for low latency data streaming, ensuring that live sensor readings are updated without significant delay, providing a reliable real-time feedback loop.

• Read & clear engine fault codes
• Monitor live sensor data streams
• View detailed repair code information
• Customizable real-time dashboards
• Support for multiple OBD protocols
• Save and export diagnostic sessions

Get professional-level insight into your vehicle's performance and start diagnosing with confidence today.

Internet required for initial features database. Compatible OBD2 adapter required for vehicle connection.