OBD Mary: Your Comprehensive OBD2 Car Diagnostic Solution
OBD Mary is a powerful EOBD/OBD-II car diagnostic scanner, customizable gauge dashboard, and trip computer packed with features. This app allows you to read and clear OBD-II trouble codes (DTCs) and perform diagnostics on various vehicle ECUs, including ABS, SRS (Airbag), HVAC, and more.
Supported Vehicle Brands:
OBD Mary boasts extensive compatibility, supporting a wide range of vehicle 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, and 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 adapter version 1.5 is recommended; version 2.1 adapters may experience issues.
Quick Start Guide:
- Download the OBD Mary app.
- Connect the ELM327 adapter to your vehicle's 16-pin diagnostic connector.
- Turn the ignition ON.
- Discover your Bluetooth ELM adapter in your Android device's settings.
- Select the discovered ELM327 adapter within the app's settings.
- Establish a connection.
Key Features:
- Diagnostics: Read and reset trouble codes, view code descriptions, and access freeze-frame data. Easily search for code definitions online. Monitor live parameters such as speed, RPM, MAF, and coolant temperature.
- Customizable Dashboard: Create a personalized gauge dashboard. Adjust gauge parameters (size, color, position, labels, backgrounds, etc.) using simple finger gestures.
- Trip Computer: Track trip time, fuel consumption, fuel cost, average speed, maximum speed, and more. Requires continuous adapter connection.
Full Version:
Purchase the full version of OBD Mary to enjoy ad-free functionality and support ongoing development.
Contacting the Developer:
Use the in-app contact button or email to reach the development team.
Version 1.251 (November 10, 2024):
- Added gauge templates to the Dashboard.
- Expanded OBD-II parameter support.
- Fixed several bugs.
