Subaru WRX Service Bulletins

1,134 manufacturer communications on file.

• April 22, 2025•Document ID: 11017444

  Service Bulletin/Repair Instructions
  SUSPENSION; POWER TRAIN

  Mfr Comm. #:

  03-96-25

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes made to the rear axle hubs. These changes have been implemented to reduce cases water intrusion further leading to harmonic, humming, and grinding type sounds heard from the axle hub while driving.

  Associated Products (35)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru WRX2023 Subaru Ascent2023 Subaru Forester2023 Subaru WRX2022 Subaru Ascent2022 Subaru Forester2022 Subaru WRX2021 Subaru Ascent2021 Subaru Forester2021 Subaru WRX2020 Subaru Ascent2020 Subaru Forester2020 Subaru WRX2019 Subaru Ascent2019 Subaru Forester2019 Subaru WRX+ 15 more
  Associated Documents

  • DownloadMC-11017444-0001.pdf↗
• April 14, 2025•Document ID: 11017438

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  02-193-24R

  Date Added:

  May 1, 2025

  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 (52)

  2024 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 Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback+ 32 more
  Associated Documents

  • DownloadMC-11017438-0001.pdf↗
• April 8, 2025•Document ID: 11017434

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-131-25

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the following Diagnostic Trouble Codes (DTCs). The ELCM may accumulate condensation causing the inaccurate detection of P2404. P0420 may become falsely detected due to unstable combustion caused by a downshift. The new reprogramming files contains enhanced software allowing for condensation conditions and downshift rotational speeds be more accurately detected by the Engine Control Module (ECM).

  Associated Products (7)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru WRX2018 Subaru WRX2017 Subaru WRX2016 Subaru WRX2015 Subaru WRX
  Associated Documents

  • DownloadMC-11017434-0001.pdf↗
• April 2, 2025•Document ID: 11017432

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-92-25R

  Date Added:

  May 1, 2025

  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 (3)

  2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11017432-0001.pdf↗
• March 31, 2025•Document ID: 11016234

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  14-31-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces availability of a User Guide and an informative video to supplement the recent releases to retailers of the SOA321152 and SOA321153 Terminal Test Kits.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016234-0001.pdf↗
• March 27, 2025•Document ID: 11016180

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

  Mfr Comm. #:

  15-323-25R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new combination meter reprogramming files developed to address cases of inaccurate fuel economy displayed on the Center Information Display (CID).

  Associated Products (16)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-11016180-0001.pdf↗
• March 24, 2025•Document ID: 11016213

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  WQK-47R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (SOA) has determined that a defect, which relates to motor vehicle safety, exists on certain 2005-2009 model year Subaru Legacy and Outback vehicles, 2009- 2013 Subaru Forester vehicles, 2008-2011 Subaru Impreza, WRX, and STI vehicles, and 2012-2014 Subaru WRX and STI vehicles currently or formerly registered in at least one of the “salt-belt” states listed below or in the District of Columbia. Part numbers in the bulletin has been updated.

  Associated Products (26)

  2014 Subaru WRX2013 Subaru Forester2013 Subaru WRX2012 Subaru Forester2012 Subaru WRX2011 Subaru Forester2011 Subaru Impreza2011 Subaru WRX2010 Subaru Forester2010 Subaru Impreza2010 Subaru WRX2009 Subaru Forester2009 Subaru Impreza2009 Subaru Legacy2009 Subaru Outback2009 Subaru WRX2008 Subaru Impreza2008 Subaru Legacy2008 Subaru Outback2008 Subaru WRX+ 6 more
  Associated Documents

  • DownloadMC-11016213-0001.pdf↗
• March 24, 2025•Document ID: 11016233

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-322-25R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the CP1 & Gen 3.1 Head Unit used in the above listed models and model years to (8) eight years / 150,000 miles to cover certain qualifying repairs to the infotainment audio system.

  Associated Products (32)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2021 Subaru WRX2020 Subaru Ascent2020 Subaru Crosstrek+ 12 more
  Associated Documents

  • DownloadMC-11016233-0001.pdf↗
• March 24, 2025•Document ID: 11016227

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  April 1, 2025

  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 (15)

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

  • DownloadMC-11016227-0001.pdf↗
• March 24, 2025•Document ID: 11016224

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-51-08R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016224-0001.pdf↗
• March 24, 2025•Document ID: 11016210

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  WQQ-52R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  Due to incomplete repair instructions previously provided in the WQK-47 recall bulletin, the WQQ-52 recall will involve applying additional anti-corrosion material to the four-way (2-2 way) joint connector area of the brake line system on Forester, Impreza, WRX, and STI vehicles previously repaired under the WQK-47 (14V-311) brake line corrosion recall prior to the December 23, 2014 WQK-47 recall bulletin revision. The revisions to the bulletin are for part number changes.

  Associated Products (26)

  2023 Subaru Forester2022 Subaru Forester2021 Subaru Forester2020 Subaru Forester2019 Subaru Forester2018 Subaru Forester2017 Subaru Forester2016 Subaru Forester2015 Subaru Forester2014 Subaru Forester2014 Subaru WRX2013 Subaru Forester2013 Subaru WRX2012 Subaru Forester2012 Subaru WRX2011 Subaru Forester2011 Subaru Impreza2011 Subaru WRX2010 Subaru Forester2010 Subaru Impreza+ 6 more
  Associated Documents

  • DownloadMC-11016210-0001.pdf↗
• March 18, 2025•Document ID: 11016207

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-324-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin details a new procedure for conducting a CommCheck on vehicles equipped with a GEN 3/GEN 3+ DCM.

  Associated Products (17)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11016207-0001.pdf↗
• March 18, 2025•Document ID: 11016206

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-304-22R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016206-0001.pdf↗
• March 17, 2025•Document ID: 11016205

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-167-08R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016205-0001.pdf↗
• March 6, 2025•Document ID: 11016172

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-219-18R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  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 (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016172-0001.pdf↗
• March 4, 2025•Document ID: 11016166

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  09-131-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the following Diagnostic Trouble Codes (DTCs). • P2404: EVAP System Leak Detection Pump Sense Circuit Range/Performance. • P0420: Catalyst System Efficiency Below Threshold Bank 1. (not applicable for 15-18 models)"

  Associated Products (7)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru WRX2018 Subaru WRX2017 Subaru WRX2016 Subaru WRX2015 Subaru WRX
  Associated Documents

  • DownloadMC-11016166-0001.pdf↗
• February 21, 2025•Document ID: 11014843

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-318-24R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the Warranty Extension for the Data Communication Module (DCM) up to 8 years (96 months) or 150,000 miles (whichever comes first) to address a dead battery resulting from excessive dark current draw caused by the DCM, due to internal memory corruption.

  Associated Products (5)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX
  Associated Documents

  • DownloadMC-11014843-0001.pdf↗
• February 18, 2025•Document ID: 11014872

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-103-16R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.

  Associated Products (48)

  2020 Subaru Ascent2019 Subaru Ascent2019 Subaru Crosstrek2019 Subaru Forester2019 Subaru Impreza2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX2018 Subaru Crosstrek2018 Subaru Forester2018 Subaru Impreza2018 Subaru Legacy2018 Subaru Outback2018 Subaru WRX2017 Subaru Crosstrek2017 Subaru Forester2017 Subaru Impreza2017 Subaru Legacy2017 Subaru Outback2017 Subaru WRX+ 28 more
  Associated Documents

  • DownloadMC-11014872-0001.pdf↗
• February 18, 2025•Document ID: 11014870

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-322-25R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the CP1 & Gen 3.1 Head Unit used in the listed models and model years to (8) eight years / 150,000 miles to cover certain qualifying repairs to the infotainment audio system.

  Associated Products (32)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2021 Subaru WRX2020 Subaru Ascent2020 Subaru Crosstrek+ 12 more
  Associated Documents

  • DownloadMC-11014870-0001.pdf↗
• February 10, 2025•Document ID: 11014852

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16."

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11014852-0001.pdf↗