NA Subaru [Discontinued]

This product and Accesstuner for this platform are no longer available and further support has been discontinued.  This page is solely meant to offer information for those who have purchased one used or still have one available to them.

Congratulations on your purchase of the AccessPORT for the 2005-2009 impreza 2.5i and 2.5RS

There is some confusion with this part number as the part number is an AP-SUB-004 which can easily be confused with the newer AP3-SUB-004 which is for 2015-2018 WRX and STI models.  Any V2 Accessport with this part number WILL NOT work on any vehicle other than those specified below.

Accessport Part Number and Vehicle Coverage

 Serial Numbers Start - 141

  • Impreza 2.5RS 2005 - 2008
  • Final Firmware Version

Subaru Impreza 2.5RS and 2.5i Map Notes

  • Maps pre-loaded on your AccessPORT:
    • STG1 - Standard and aggressive throttle mapping for 91+ or 93+ octane fuels
    • STG2 - Same requirements as STG1 and RalliTEK Camshafts.

    • Anti-Theft Mode – This map was designed to not allow the vehicle to start.

    • Stock Style Mode – Stock Style Mode map. Uses stock values for conditions when you need the vehicle's ECU to act like it is still stock. DOES NOT UNINSTALL AP FROM THE ECU.

    • Valet Mode – Valet Mode for use with STOCK INTAKE SYSTEM ONLY. Rev limiter set to 3200 RPM.

Accessport Functions

  • You can check and reset your Check Engine Light and various DTC codes (transmission and chassis modules).
  • You can use the AccessPORT to view various engine data with the Live Data function.
  • The AccessPORT can be used to measure and record 0-60 MPH and ¼ mile performance.

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