Obd Mary

Effective OBD2 Car Diagnostics Tool
OBD Mary is an advanced EOBD/OBD-2 vehicle diagnostic scanner featuring custom gauge dashboards, trip computer functionality, and powerful diagnostic capabilities.

Comprehensive Vehicle Diagnostics
Our OBD2 Car Scanner OBD Mary not only reads and clears trouble codes but also performs in-depth diagnostics across multiple vehicle ECUs including ABS, SRS Airbag, HVAC systems, and more.

Vehicle Compatibility
Our Car Scanner OBD Mary supports nearly all major automotive brands:

Acura, Audi, BMW, Buick, Cadillac
Chevrolet, Chrysler, Citroën, Dodge
Fiat, Ford, Honda, Hyundai
Infiniti, Jaguar, Jeep, Kia
Land Rover, Lexus, Mazda
Mercedes-Benz, Mitsubishi
Nissan, Opel, Peugeot
Porsche, Renault, Skoda
Subaru, Suzuki, Toyota
Volkswagen, Volvo


Important Notes:

Connection Requirement: Requires ELM327 Bluetooth or Wi-Fi adapter
ECU Compatibility: Multiple ECUs may require individual scanning
Adapter Recommendation: Version 1.5 ELM adapters often perform better than v2.1


Getting Started Guide

Install the app on your Android device
Connect ELM327 adapter to vehicle's 16-pin OBD2 port
Turn ignition ON (engine doesn't need to be running)
Pair Bluetooth ELM adapter in device settings
Select paired adapter within the app
Establish connection to begin diagnostics


Diagnostic Features

Read/Clear OBD2 trouble codes (DTCs)
View detailed code descriptions
Access freeze-frame data for active DTCs
Monitor live parameters (RPM, Speed, Coolant Temp, MAF)


Custom Dashboard
Transform your device into a fully customizable gauge cluster:

Create personalized gauge layouts
Adjust sizes, colors, positions
Modify text, labels, backgrounds
Rearrange gauges with intuitive touch controls


Trip Computer Functionality
With continuous ELM327 connection, track detailed trip statistics:

Trip duration
Fuel consumption tracking
Fuel cost calculations
Average/maximum speed
Additional driving metrics


Premium Version Benefits

Ad-free experience
Complete feature access
Support future development


Support
Contact our development team through the app's support interface or via email.

Latest Version Updates (v1.251)

Added new gauge templates
Expanded OBD-2 parameter support
General bug fixes and improvements
Released November 10, 2024