Subaru WRX Service Bulletins (2025)

56 manufacturer communications on file.

• March 26, 2026•Document ID: 11030557

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-167-08R

  Date Added:

  April 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11030557-0001.pdf↗
• March 16, 2026•Document ID: 11030567

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-219-18R

  Date Added:

  April 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11030567-0001.pdf↗
• March 4, 2026•Document ID: 11030561

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement (A

  Date Added:

  April 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11030561-0001.pdf↗
• February 25, 2026•Document ID: 11029347

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-240-26R

  Date Added:

  March 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin was developed to provide interim guidance for 2026 model year vehicles exhibiting DTC B2A20 with gen 4 Telematics.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11029347-0001.pdf↗
• February 13, 2026•Document ID: 11029338

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  06-95-25R

  Date Added:

  March 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address cases of DTC C1C40 being detected by the Electronic Brake Booster (EBB) in addition to Failure Detail Code 30A2 stored within the Freeze Frame Data (FFD).

  Associated Products (16)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11029338-0001.pdf↗
• February 6, 2026•Document ID: 11029329

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  March 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11029329-0001.pdf↗
• January 20, 2026•Document ID: 11027996

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  February 2, 2026

  Manufacturer:

  SUBARU

  Summary

  The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units utilized in the models listed.

  Associated Products (19)

  2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11027996-0001.pdf↗
• January 15, 2026•Document ID: 11027986

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  Subaru Tech Tips Special

  Date Added:

  February 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This Subaru service and technical support line newsletter provides information on the next phase of TechShare.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11027986-0001.pdf↗
• January 12, 2026•Document ID: 11027983

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-328-26

  Date Added:

  February 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides information on the availability of a new auxiliary USB terminal designed to resolve intermittent connectivity issues when connected via the USB port.

  Associated Products (14)

  2026 Subaru Forester2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11027983-0001.pdf↗
• January 12, 2026•Document ID: 11027982

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-300-22R

  Date Added:

  February 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11027982-0001.pdf↗
• January 12, 2026•Document ID: 11027981

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subarunet Announcement (E

  Date Added:

  February 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This announcement has been created to address difficulties with software updates on Subaru Select Monitors with DST-010 interface firmware has been updated.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11027981-0001.pdf↗
• December 16, 2025•Document ID: 11027093

  Service Bulletin/Repair Instructions
  STEERING; SUSPENSION

  Mfr Comm. #:

  05-92-25R

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the front lower control arms developed to address cases of a click or cracking type sound heard when moving forward or backward at low speed with the steering wheel fully turned position.

  Associated Products (4)

  2025 Subaru WRX2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11027093-0001.pdf↗
• December 12, 2025•Document ID: 11027090

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  09-74-21R

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).

  Associated Products (59)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 39 more
  Associated Documents

  • DownloadMC-11027090-0001.pdf↗
• December 8, 2025•Document ID: 11027083

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-226-25R

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11027083-0001.pdf↗
• December 8, 2025•Document ID: 11027081

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-228-25R

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the diagnostic procedures to be used when DTCs P2096 (POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1) and P2097 (POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1) are detected by the Engine Control Module (ECM).

  Associated Products (67)

  2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 47 more
  Associated Documents

  • DownloadMC-11027081-0001.pdf↗
• December 2, 2025•Document ID: 11027073

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-333-25

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

  Associated Products (181)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek+ 161 more
  Associated Documents

  • DownloadMC-11027073-0001.pdf↗