Turn your phone into a powerful car diagnostics tool! Scan and diagnose your car. OBD2 tools for real-time sensor data.

OBDiag is a fast OBD2 car scanner that helps you read & clear DTC codes, stream live data (PIDs), and understand what your Check Engine Light really means. Build custom dashboards, track sensor values in real time, and stay on top of maintenance—from daily driving to deep diagnostics.

Key features
• Read & clear OBD2 DTCs with clear code meanings and freeze frame
• Live Data (PIDs) with gauges & charts: RPM, coolant temp, O₂ sensors, MAF/MAP, fuel pressure, STFT/LTFT, IAT, speed, and more.
• Emissions readiness & Mode 6 support (device/vehicle dependent).
• Custom dashboards & themes for your favorite sensors and workflows.
• Maintenance reminders and service notes to keep your car healthy.
• Export/share reports (e.g., CSV) for mechanics or record-keeping.

Adapter & vehicle support
• Works with most Bluetooth/Wi-Fi OBD adapters that are ELM327-compatible.
• Supports most vehicles with an OBD2 port (availability varies by market/year/model—check your vehicle specs).

OBDiag Pro
Unlock advanced features such as more PIDs, unlimited dashboards, extended logging, and additional diagnostics tools designed for enthusiasts and small garages.

Safety & legal
Use only when safe—do not interact with the app while driving. OBDiag provides insights but does not replace professional diagnosis and repair.

Whether you’re a DIY enthusiast, daily driver, small garage, or fleet owner, OBDiag gives you clear OBD2 diagnostics, live data, and reports to help maintain your car and drive with confidence.