OBD Mary: Your Comprehensive OBD2 Car Diagnostic Tool
OBD Mary is a powerful EOBD/OBD-II car diagnostic scanner, customizable dashboard, and trip computer packed with features. This app goes beyond simply reading and clearing trouble codes (DTCs); it allows diagnostics for various vehicle ECUs, including ABS, SRS (Airbag), HVAC, and more.
OBD Mary boasts extensive vehicle compatibility, supporting a wide range of makes and models, including (but not limited to): Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall, Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi, Nissan, Opel, Peugeot, Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo.
Important Notes:
- An ELM327 Bluetooth or Wi-Fi adapter is required to connect to your vehicle.
- Thoroughly check all ECUs in your vehicle, as some may be present.
- ELM adapters version 1.5 are generally more reliable than version 2.1; consider using 1.5 if possible.
Quick Start:
- Download the OBD Mary app.
- Plug your ELM327 adapter into your vehicle's 16-pin diagnostic connector.
- Turn your vehicle's ignition ON.
- Discover your Bluetooth ELM adapter within your Android device's settings.
- Select the discovered ELM327 adapter in the app's settings.
- Connect!
Key Features:
- Diagnostics: Read and clear OBD2 trouble codes, view code descriptions, and easily search online for more information. Access freeze-frame data for active DTCs. Monitor live parameters such as speed, RPM, MAF, and coolant temperature.
- Customizable Dashboard: Create a personalized gauge dashboard. Adjust gauge sizes, colors, positions, labels, and backgrounds to your preference.
- Trip Computer: Continuously track trip data (time, fuel consumption, cost, average/max speed, etc.) while the ELM327 adapter remains connected.
Full Version:
Purchase the full version for an ad-free experience and to support continued development.
Contact: Reach out to the developer via the in-app contact button or email.
Version 1.251 (Updated Nov 10, 2024):
- Added gauge templates to the Dashboard.
- Added more OBD-2 parameters.
- Bug fixes.
