Subaru WRX Service Bulletins (2024)

180 manufacturer communications on file.

• June 24, 2025•Document ID: 11019932

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (172)

  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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 152 more
  Associated Documents

  • DownloadMC-11019932-0001.pdf↗
• June 23, 2025•Document ID: 11019942

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Service Information 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 (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-11019942-0001.pdf↗
• June 13, 2025•Document ID: 11019935

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

  OTA head unit software update for CP1.5 head units. General software improvements for a better drving experience and functionality.

  Associated Products (2)

  2025 Subaru Forester2024 Subaru WRX
  Associated Documents

  • DownloadMC-11019935-0001.pdf↗
• May 29, 2025•Document ID: 11018915

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-136-25R

  Date Added:

  June 3, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This logic was developed to address the following Diagnostic Trouble Code (DTC): P062F - Internal Control Module EEPROM Error. If DTC P062F is detected by the ECM, perform the reprogramming procedure outlined in this bulletin.

  Associated Products (11)

  2025 Subaru Ascent2025 Subaru Legacy2025 Subaru Outback2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX
  Associated Documents

  • DownloadMC-11018915-0001.pdf↗
• May 29, 2025•Document ID: 11018914

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  02-193-24R

  Date Added:

  June 3, 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-11018914-0001.pdf↗
• May 29, 2025•Document ID: 11018913

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES

  Mfr Comm. #:

  06-95-25

  Date Added:

  June 3, 2025

  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 (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-11018913-0001.pdf↗
• May 19, 2025•Document ID: 11018909

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-168-09R

  Date Added:

  June 3, 2025

  Manufacturer:

  SUBARU

  Summary

  The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

  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-11018909-0001.pdf↗
• May 13, 2025•Document ID: 11018899

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  June 3, 2025

  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. To improve Fixed Right First-Time (FRFT) and customer satisfaction, SOA is introducing a new procedure and fail code for first-time suspected A/C refrigerant leaks for cases when a Technician is unable to find the source of the leak or believes there was a potential factory under charge of the A/C system refrigerant.

  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-11018899-0001.pdf↗
• April 30, 2025•Document ID: 11017466

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  May 2, 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-11017466-0001.pdf↗
• April 30, 2025•Document ID: 11017462

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: WARNING; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: WARNINGS

  Mfr Comm. #:

  07-226-24R

  Date Added:

  May 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprogramming files developed to address the following two symptoms: SYMPTOM #1: After the EyeSight camera has been exposed to high humidity/temperature conditions without any operation, the cooling fans become inoperable and DTC B28C7 (Fan Motor RPM) is detected by the EyeSight Stereo Camera Assembly. (EXCLUDING 2024 WRX) SYMPTOM #2: The EyeSight system enters into a temporary halt mode with an E5 halt code detected by the EyeSight Stereo Camera Assembly.

  Associated Products (5)

  2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11017462-0001.pdf↗
• April 22, 2025•Document ID: 11017452

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-192-24R

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.

  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-11017452-0001.pdf↗
• 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 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 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 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↗