OBD2 Car Scanner for ELM327

OBD2 vehicle diagnostics, fault codes, live data, trip logging and cloud access in one app.

diagnostiX turns your Android smartphone into a powerful OBD2 car scanner. Connect a compatible HHOBD or ELM327 adapter via Bluetooth or Wi-Fi, check the engine warning light, read DTC fault codes and monitor important vehicle data in real time.

🔧 OBD2 DIAGNOSTICS & FAULT CODES

• Read diagnostic trouble codes and fault memory (DTC)
• Clear supported fault codes and reset the check engine light
• View detected diagnostic faults in a clear overview
• Support for general OBD2, OBD-II and EOBD diagnostics
• Available diagnostic functions depend on the vehicle, control unit and adapter

📊 LIVE DATA, SENSORS & DASHBOARDS

Monitor supported vehicle values while driving or while the vehicle is stationary:

• Engine speed (RPM)
• Coolant temperature
• Battery voltage
• Vehicle speed
• MAF and MAP sensor values
• Fuel consumption and additional engine data

Create custom widgets, charts and dashboards for the vehicle values that matter most to you.

🗺️ TRIP LOG, ROUTES & FUEL CONSUMPTION

• Record trips with a map view
• Display the start point, destination, route and trip history
• Driving style score and eco analysis
• Detect hard braking and efficient driving
• Calculate fuel consumption and trip costs
• Export your trip log as a CSV or PDF file

☁️ OPTIONAL CLOUD & DIAGNOSTIX PLATFORM

The app can be used without an account for local diagnostic functions. With an optional user account, you can save supported vehicle data online and access it through the diagnostiX platform in your web browser.

This allows you to access stored vehicle data outside the app. Available online and browser functions may vary depending on the device, vehicle and OBD2 adapter used.

🚘 EXTENDED VEHICLE SUPPORT

• BMW E-Series: control-unit-specific reading and clearing for supported models, including E60, E61, E70, E87, E90, E91, E92 and E93
• VAG vehicles: supported diagnostic functions for Audi, Volkswagen, Škoda and SEAT
• Supported protocols include CAN / ISO 15765, K-Line / ISO 9141, KWP2000 and others

🔌 COMPATIBLE OBD2 ADAPTERS

• EXZA HHOBD
• Common ELM327 adapters
• Bluetooth Classic
• Wi-Fi

Adapter quality, firmware and vehicle compatibility may affect the available functions.

👥 COMMUNITY & SUPPORT

Ask questions about OBD2 diagnostics, fault codes and vehicle problems. Share problem cards, images, PDF files or voice messages and connect with other drivers through the diagnostiX community.

🔒 PRIVACY & CONTROL

You decide whether to use diagnostiX locally without an account or with optional online functions. Location access may be required for trip recording and map functions.

When using an account or cloud functions, the data required to provide these services is processed. Further information is available in the privacy policy and in the Google Play Data Safety section.

ℹ️ IMPORTANT INFORMATION

• Not every vehicle supports all sensors, control units or functions.
• Some advanced functions may require a Premium subscription.
• diagnostiX does not replace professional vehicle inspection or repair by a qualified workshop.
• BMW, Audi, Volkswagen, Škoda and SEAT are trademarks of their respective owners. diagnostiX is an independent product and is not affiliated with or endorsed by these manufacturers.

Install diagnostiX, connect your OBD2 adapter and start diagnosing your vehicle directly from your smartphone.

Recent changes:

We’ve optimized the app’s performance, fixed minor bugs, and added a new chat function.

With this update, additional issues have been resolved. The new DiagnostiX platform is also going online. Vehicle data can now be saved online and viewed anytime at https://diagnostix.exza.de/.