Advanced OBD2 car diagnostics tool. Scan trouble codes, customize dashboards, and track trips with the ELM-based computer.

OBD Mary is a powerful EOBD/OBD-2 diagnostic scanner featuring a customizable gauge dashboard and trip computer with exclusive capabilities.

Our OBD2 Car Scanner OBD Mary enables comprehensive vehicle diagnostics, allowing you to read/clear trouble codes and access ECU systems including ABS, SRS, Airbags, HVAC, and more.

OBD Mary supports an extensive range of vehicle brands: Acura, Alfa Romeo, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Citroën, Dodge, Fiat, Ford, Honda, Hyundai, Jaguar, Jeep, Kia, Land Rover, Lexus, Mazda, Mercedes-Benz, Mini, Mitsubishi, Nissan, Opel, Peugeot, Porsche, Renault, Saab, Subaru, Suzuki, Toyota, Volkswagen, Volvo, and many others.

Important Notes:

1. Requires an ELM327 Bluetooth/Wi-Fi adapter for vehicle connection.

2. Remember to scan all available ECUs (electronic control modules) in your vehicle.

3. ELM adapters v2.1 may have compatibility issues - we recommend using v1.5 when possible.

Getting Started

1. Install the application

2. Connect your ELM327 adapter to the vehicle's 16-pin OBD port

3. Turn ignition ON

4. Pair the Bluetooth ELM adapter via your Android device settings

5. Select the paired adapter in the app settings

6. Initiate connection!

Diagnostic Features

Read and reset OBD2 trouble codes with detailed descriptions and web search capability. Access freeze-frame data and monitor live parameters including speed, RPM, coolant temperature, and MAF readings.

Custom Dashboard

Transform your device into a personalized gauge cluster. Design unique dashboards with fully customizable elements - adjust sizes, colors, positions, labels, and backgrounds. Easily reposition gauges using intuitive touch controls.

Trip Monitoring

Utilize OBD Mary with your ELM327 adapter to record detailed trip statistics:

- Duration

- Fuel consumption

- Fuel expenses

- Average speed

- Maximum speed and other metrics

Premium Version

Upgrade to the ad-free full version for complete functionality. Your purchase supports ongoing development and improvements.

Developer Contact: Reach out using the contact button in the app or via email.

What's New in Version 1.251

Last updated on Nov 10, 2024

New gauge templates added to Dashboard
Expanded OBD-2 parameter support
Various bug fixes and improvements