Subaru WRX Service Bulletins (2023)

199 manufacturer communications on file.

• August 31, 2026•Document ID: 11036820

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEATS

  Mfr Comm. #:

  10-107-26

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes to the front seat bottom heat unit.

  Associated Products (11)

  2026 Subaru Crosstrek2026 Subaru Impreza2026 Subaru WRX2025 Subaru Crosstrek2025 Subaru Impreza2025 Subaru WRX2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11036820-0001.pdf↗
• August 21, 2026•Document ID: 11036804

  Other
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  SubaruNet Announcement (C

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This Announcement provides diagnostic assistance for CVT issues.

  Associated Products (40)

  2026 Subaru Ascent2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru WRX2025 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 WRX+ 20 more
  Associated Documents

  • DownloadMC-11036804-0001.pdf↗
• August 20, 2026•Document ID: 11036811

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-196-26R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This service bulletin outlines the diagnostic and repair procedure for white smoke emitted from the exhaust after startup. This is an revised version of the original bulletin.

  Associated Products (22)

  2026 Subaru Ascent2026 Subaru Outback2026 Subaru WRX2025 Subaru Ascent2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent+ 2 more
  Associated Documents

  • DownloadMC-11036811-0001.pdf↗
• August 20, 2026•Document ID: 11036809

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-154-25R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the release of a new diagnostic assistance application for TR690 and TR580 CVT-equipped vehicles. This is an revised version of the original bulletin.

  Associated Products (38)

  2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2025 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 Crosstrek+ 18 more
  Associated Documents

  • DownloadMC-11036809-0001.pdf↗
• August 20, 2026•Document ID: 11036808

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-150-24R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprogramming files developed to address SYMPTOM 1: A jerk or judder sensation felt from the powertrain during braking with the air conditioning on. SYPMTOM 2: A shudder is felt from the powertrain along with a screeching type of sound. This is an revised version of the original bulletin.

  Associated Products (15)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11036808-0001.pdf↗
• August 20, 2026•Document ID: 11036807

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-308-23R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts.This is an revised version of the original bulletin.

  Associated Products (53)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru Trailseeker2026 Subaru Uncharted2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent+ 33 more
  Associated Documents

  • DownloadMC-11036807-0001.pdf↗
• August 13, 2026•Document ID: 11036796

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-304-22R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)

  Associated Products (53)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru Trailseeker2026 Subaru Uncharted2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent+ 33 more
  Associated Documents

  • DownloadMC-11036796-0001.pdf↗
• August 5, 2026•Document ID: 11036794

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  Article Locator

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  Techtips newsletter locator index.

  Associated Products (53)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru Trailseeker2026 Subaru Uncharted2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent+ 33 more
  Associated Documents

  • DownloadMC-11036794-0001.pdf↗
• August 1, 2026•Document ID: 11036789

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-333-25R

  Date Added:

  September 3, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin

  Associated Products (53)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru Trailseeker2026 Subaru Uncharted2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent+ 33 more
  Associated Documents

  • DownloadMC-11036789-0001.pdf↗
• July 24, 2026•Document ID: 11035650

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  12-282-26

  Date Added:

  August 4, 2026

  Manufacturer:

  SUBARU

  Summary

  This Bulletin outlines a new repair procedure to follow when replacing the trunk lock assembly.

  Associated Products (4)

  2025 Subaru WRX2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11035650-0001.pdf↗
• July 22, 2026•Document ID: 11035643

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-93-26

  Date Added:

  August 4, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the front coil spring to address cases of a rubbing sound heard driving over bumps and/or turning.

  Associated Products (3)

  2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11035643-0001.pdf↗
• June 30, 2026•Document ID: 11034269

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-193-24R

  Date Added:

  July 2, 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). (This is an revised version of the original bulletin.)

  Associated Products (41)

  2026 Subaru Ascent2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru WRX2025 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 WRX+ 21 more
  Associated Documents

  • DownloadMC-11034269-0001.pdf↗
• June 30, 2026•Document ID: 11034268

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-246-19R

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the vehicles listed. (This is an revised version of the original bulletin.)

  Associated Products (20)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru BRZ2023 Subaru Forester2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru BRZ2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11034268-0001.pdf↗
• June 26, 2026•Document ID: 11034264

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  09-74-21R

  Date Added:

  July 2, 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). (This is an revised version of the original bulletin.)

  Associated Products (41)

  2026 Subaru Ascent2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru WRX2025 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 WRX+ 21 more
  Associated Documents

  • DownloadMC-11034264-0001.pdf↗
• June 23, 2026•Document ID: 11034257

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-196-26

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin outlines the diagnostic and repair procedure for white smoke emitted from the exhaust after startup.

  Associated Products (22)

  2026 Subaru Ascent2026 Subaru Outback2026 Subaru WRX2025 Subaru Ascent2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent+ 2 more
  Associated Documents

  • DownloadMC-11034257-0001.pdf↗
• June 20, 2026•Document ID: 11034251

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; ELECTRICAL SYSTEM

  Mfr Comm. #:

  06-94-25R

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new Electronic Brake Booster (EBB) & Vehicle Dynamics Control (VDC) module reprogramming files developed to address cases of a cracking-type noise heard under the dashboard in the brake pedal area when the brake pedal is released. (This is an revised version of the original bulletin.)

  Associated Products (15)

  2025 Subaru Forester2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Forester2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Forester2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback
  Associated Documents

  • DownloadMC-11034251-0001.pdf↗
• June 12, 2026•Document ID: 11034249

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  SubaruNet Annoucement (E

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.

  Associated Products (53)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2026 Subaru Trailseeker2026 Subaru Uncharted2026 Subaru WRX2025 Subaru Ascent2025 Subaru BRZ2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2025 Subaru WRX2024 Subaru Ascent+ 33 more
  Associated Documents

  • DownloadMC-11034249-0001.pdf↗
• June 11, 2026•Document ID: 11034247

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

  Mfr Comm. #:

  07-241-26

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin was developed to provide removal and installation tips to be followed when working with EyeSight Stereo Cameras.

  Associated Products (27)

  2026 Subaru Ascent2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru WRX2025 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 WRX+ 7 more
  Associated Documents

  • DownloadMC-11034247-0001.pdf↗
• June 5, 2026•Document ID: 11034271

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-151-24R

  Date Added:

  July 2, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR690 model CVT transmissions used in the models listed. (This is an revised version of the original bulletin.)

  Associated Products (22)

  2026 Subaru Ascent2026 Subaru Outback2026 Subaru WRX2025 Subaru Ascent2025 Subaru Legacy2025 Subaru Outback2025 Subaru WRX2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent+ 2 more
  Associated Documents

  • DownloadMC-11034271-0001.pdf↗
• June 2, 2026•Document ID: 11034241

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  05-98-26

  Date Added:

  July 1, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address cases in which the following DTCs are detected by the Electric Control Damper Control Unit (ECU Damper).

  Associated Products (5)

  2026 Subaru WRX2025 Subaru WRX2024 Subaru WRX2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-11034241-0001.pdf↗