Triple A

Triple A

Triple A is a free and open-source car diagnostic software used to troubleshoot issues with engine performance and emissions. It supports reading and clearing diagnostic trouble codes, viewing live data from sensors, and performing various actuator tests.
System & Hardware Diagnostics
Triple A image
car diagnostic obd2 emissions sensors
Triple A alternatives ➤

Triple A: Car Diagnostic Software

Free and open-source car diagnostic software for engine performance and emissions troubleshooting, reading/diagnostic trouble codes, live sensor data view, and actuator tests.

What is Triple A?

Triple A is an open-source, cross-platform car diagnostic program that allows users to connect an OBD-II adapter to their vehicle and access detailed telemetry from the engine control unit (ECU). Developed by a community of automotive enthusiasts, Triple A provides powerful scanning and diagnostic capabilities rivaling commercial offerings at a fraction of the cost.

Once paired with a compatible ELM327 adapter via Bluetooth or USB, Triple A can read and clear diagnostic trouble codes that trigger the check engine light. It can graph live sensor data - like engine rpm, vehicle speed, coolant temperature, fuel trim, and oxygen sensor voltages - to pinpoint issues. The software also lets users perform various actuator tests like cycling the EVAP canister vent valve to check for leaks.

Built on Java, Triple A runs on Windows, Mac OSX, and Linux. The intuitive user interface provides access to manufacturer-specific parameters and allows reflashing of stock ECU firmware on supported vehicles. Users can log sensor data for export and offline analysis. An active community forum enables crowdsourced troubleshooting. With its professional-grade features available free, Triple A is widely considered an essential tool for modern gearheads.

Triple A Features

Features

  1. Reading and clearing diagnostic trouble codes
  2. Viewing live data from vehicle sensors
  3. Performing various actuator tests
  4. Graphing and logging sensor data
  5. Generating diagnostic reports

Pricing

  • Free
  • Open Source

Pros

Free and open source

Works with many OBD-II compliant vehicles

Supports a wide range of protocols

User friendly interface

Available on Windows, Mac, and Linux

Cons

Limited support for some newer vehicles

Less comprehensive than paid options

Requires an OBD-II adapter

Lacks support resources of commercial software

Official Links

Official Website
https://sunglab.com/apps/2014/04/20/TripleA.html

The Best Triple A Alternatives

Top System & Hardware and Diagnostics and other similar apps like Triple A

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