Accesstuner Pro is Windows compatible only. We do not support Mac OS at this time other than through the use of Apple Boot Camp.
See the latest changes as well as a history of changes that have been implemented in Accesstuner software.

Step-By-Step Accesstuner Update Instructions:

Open the Accesstuner software on your computer.
Click on Help in the menu bar.
Select Updates.
Select Check For Updates.
Select Get Updates.

Subaru Accesstuner
Comprehensive guides for operating the Accesstuner software.

Subaru Tuning Guides
The Subaru tuning guides walk you through the Subaru tuning process.

Subaru COBB Custom Features
The COBB Custom Features document set is a comprehensive guide that walks you through the various custom feature setup and tuning process.

Subaru Accesstuner Tech Bulletins
The Tech Bulletins outline key technical topics of interest for tuners.

Subaru Accesstuner Table and Monitor List
The Subaru table and monitor lists include help descriptions for all factory tables and monitors available in the Subaru software.

Subaru Accesstuner Calibration Data and Spreadsheets

Text Tutorials:

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