Effective OBD2 vehicle diagnostics, DTC code scanner, customizable dashboard, and ELM trip computer.

Obd Mary is an EOBD/OBD-2 diagnostic scanner, a gauge dashboard, and a trip computer packed with powerful features.

Our OBD2 Car Scanner, OBD Mary, not only reads and clears OBD-2 trouble codes but also performs diagnostics on various vehicle ECUs, including: ABS, SRS, Airbag, HVAC, and more.

Our Car Scanner, OBD Mary, supports a wide range of brands, such as: 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 Notice:

1. You will need an ELM327 Bluetooth or Wi-Fi adapter to connect your vehicle to this application.

2. Your vehicle may have multiple ECUs (electronic control modules), so remember to check all available modules.

3. ELM adapters version 2.1 are often unreliable; we recommend choosing version 1.5 if possible.

Quick Start Guide

1. Download the app.

2. Plug the ELM327 adapter into your vehicle's 16-pin diagnostic port.

3. Turn the ignition ON.

4. Discover your Bluetooth ELM adapter in your Android device's settings.

5. Select the discovered ELM327 adapter within the app's settings.

6. Attempt to connect!

Diagnostics

Read and reset trouble codes from OBD2-compliant control units. View fault code descriptions and search for them online with a single tap. Access freeze-frame data for active DTCs. Monitor live parameters like speed, RPM, MAF, and coolant temperature.

Dashboard

Use our OBD2 app as a fully customizable gauge dashboard. Create your own gauge sets. You can adjust almost every parameter—sizes, colors, positions of strokes, arrows, text, labels, backgrounds, and more. In edit mode, simply use your fingers to resize and reposition gauges to your liking. Enjoy a personalized dashboard style!

Trip Computer

Track your journeys with the Obd Mary app and your ELM327 adapter. Keep the adapter connected in your car, and the app will automatically connect to log your trip data, including:

- Trip duration;

- Fuel consumption;

- Fuel cost;

- Average speed;

- Maximum speed, and more.

Full Version

Purchase the full version of the Obd Mary app to unlock all features and enjoy an ad-free experience. Your purchase directly supports future development and maintenance. Thank you.

Contact the Developer: Feel free to contact us using the appropriate button on the main app screen. Please use the email channel.

What's New in the Latest Version 1.251

Last updated on Nov 10, 2024

Added gauge templates to the Dashboard.
Added more OBD-2 parameters.
Fixed various bugs.