OBD Mary: Your All-in-One OBD2 Car Diagnostic Tool
OBD Mary is a comprehensive OBD-II car diagnostic scanner, customizable gauge dashboard, and trip computer packed with useful 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.
OBD Mary boasts extensive vehicle compatibility, supporting a wide range of makes and models, including Acura, Alfa Romeo, Audi, BMW, and many others. (See the full list in the original description).
Important Notes:
- An ELM327 Bluetooth or Wi-Fi adapter is required to connect the app to your vehicle.
- Remember to check all ECUs in your vehicle, as it may contain multiple electronic control modules.
- ELM adapters using version 2.1 are prone to issues; version 1.5 is recommended if possible.
Quick Start:
- Download the OBD Mary app.
- Connect the ELM327 adapter to your vehicle's 16-pin diagnostic connector.
- Turn your ignition ON.
- Pair your Bluetooth ELM adapter with your Android device.
- Select your 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 display. Adjust gauge parameters, including size, color, positioning, and more. Easily resize and reposition gauges using your fingers.
- Trip Computer: Continuously track trip data (while the adapter remains connected), including trip time, fuel consumption, fuel cost, average speed, and maximum speed.
Full Version:
The full version of OBD Mary removes ads and supports continued development.
Contacting the Developer: Use the in-app contact button or email.
What's New (Version 1.251 - November 10, 2024):
- Added gauge templates to the Dashboard.
- Expanded the number of supported OBD-II parameters.
- Bug fixes.
