Software Release Notes:
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 Help Files
The Accesstuner Help Files are comprehensive guides for operating the Accesstuner software. - Subaru Tuning Guides
The Subaru tuning guides walk you through the Subaru tuning process.- Subaru Accesstuner DIT Tuning Guide Supplement
- Subaru Accesstuner Tuning Guide
- Subaru Accesstuner FA24DIT Tuning Supplement
- Subaru Accesstuner 2.4L DIT WRX Tuning Guide Supplement
- 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 Custom Monitor List
- Subaru Custom Sensor Logging
- Subaru Differential Fuel Pressure Compensation
- NexGen Flex Fuel DTC Troubleshooting
- Subaru Flex Fuel Tuning Guide
- Subaru Fuel Mileage Display Correction
- Subaru Per Gear Boost Compensation
- Subaru Speed Density Guide: 2.0, 2.5L, DIT
- Subaru DIT V4.0 CCF (Gen2) Additions
- Subaru EJ 2.0L (02-05 WRX MT) CCF Additions
- Launch Control and Flat-Foot Shift for Subaru FAQ
- NEXGEN Flex Fuel How to Update Maps
- NEXGEN Flex Fuel Software Changes and Updates
- Subaru Accesstuner Tech Bulletins
The Tech Bulletins outline key technical topics of interest for tuners.- DIT Recall FAQ for Protuners
- Tech Bulletin - 02-05 WRX (SD ECU Type) - Wall Wetting Calibration Improvement
- Tech Bulletin - 2017 WRX STI - Subaru Logic and OTS Calibration Changes
- Tech Bulletin - 2018 WRX STI - Subaru Logic and OTS Calibration Changes
- Tech Bulletin - DIT Subaru - Fuel "Lean Limit" tables causing unexpected fueling behavior
- Tech Bulletin - Subaru - Wastegate Frequency & Behavior
- Tech Bulletin - Targeting High Boost Levels
- Tech Bulletin – Unexpected Ignition Timing Correction (2.5L Turbo Subaru)
- Tech Bulletin - COBB / Injector Dynamics "1300cc" Injectors
- Tech Bulletin - AVCS Activation Improvement
- Tech Bulletin - Fuel Pump Duty Post-Start High Level Activation (Max. Engine Run Time)
- VA DIT Logging Update
- 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: