Subaru Forester Service Bulletins

498 manufacturer communications on file.

• June 17, 2025•Document ID: 11019937

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-326-25

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed.

  Associated Products (1)

  2025 Subaru Forester
  Associated Documents

  • DownloadMC-11019937-0001.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↗
• June 10, 2025•Document ID: 11019934

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-236-18R

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

  The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed

  Associated Products (15)

  2025 Subaru Forester2024 Subaru Forester2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru WRX
  Associated Documents

  • DownloadMC-11019934-0001.pdf↗
• June 9, 2025•Document ID: 11019933

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-226-25R

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (3)

  2025 Subaru Forester2024 Subaru Crosstrek2024 Subaru Impreza
  Associated Documents

  • DownloadMC-11019933-0001.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 (28)

  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+ 8 more
  Associated Documents

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

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; ELECTRICAL SYSTEM

  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 29, 2025•Document ID: 11018912

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-322-25R

  Date Added:

  June 3, 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 (18)

  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 WRX
  Associated Documents

  • DownloadMC-11018912-0001.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 (40)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 20 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 (40)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 20 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 (40)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 20 more
  Associated Documents

  • DownloadMC-11017466-0001.pdf↗
• April 30, 2025•Document ID: 11017463

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

  Mfr Comm. #:

  12-253-23R

  Date Added:

  May 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address the following two symptoms:SYMPTOM #1 : 2022-23MY ONLY: After the EyeSight camera has been exposed to high humidity/temperatureconditions without any operation, the cooling fans become inoperable, and DTC B28C7 is detected by the EyeSight Stereo Camera Assembly. SYMPTOM #2 : 2022-24MY ONLY: The EyeSight system enters into a temporary halt mode with an E5 halt code detected by the EyeSight Stereo Camera Assembly.

  Associated Products (3)

  2024 Subaru Forester2023 Subaru Forester2022 Subaru Forester
  Associated Documents

  • DownloadMC-11017463-0001.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 (40)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 20 more
  Associated Documents

  • DownloadMC-11017452-0001.pdf↗
• April 22, 2025•Document ID: 11017448

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  12-263-25

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces repair procedures to address cases of a loose fitting exterior rear door garnish.

  Associated Products (1)

  2025 Subaru Forester
  Associated Documents

  • DownloadMC-11017448-0001.pdf↗
• April 22, 2025•Document ID: 11017444

  Service Bulletin/Repair Instructions
  POWER TRAIN; SUSPENSION

  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 (14)

  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 WRX
  Associated Documents

  • DownloadMC-11017444-0001.pdf↗
• April 22, 2025•Document ID: 11017437

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  09-115-24R

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces the availability of new oxygen sensors developed to address the following Diagnostic Trouble Codes (DTCs) detected by the Engine Control Module: • P0137: O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 • P0138: O2 Sensor Circuit High Voltage Bank 1 Sensor 2 • P0140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 • P0141: O2 Sensor Heater Circuit Bank 1 Sensor 2"

  Associated Products (21)

  2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy+ 1 more
  Associated Documents

  • DownloadMC-11017437-0001.pdf↗
• April 14, 2025•Document ID: 11017438

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ENGINE

  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 (28)

  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+ 8 more
  Associated Documents

  • DownloadMC-11017438-0001.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 (40)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza+ 20 more
  Associated Documents

  • DownloadMC-11016234-0001.pdf↗
• March 27, 2025•Document ID: 11016230

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  12-265-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes made to the Power Rear Gate Drive (PRG) Unit to address concerns of the power rear gate being inoperative.

  Associated Products (8)

  2024 Subaru Ascent2024 Subaru Forester2023 Subaru Ascent2023 Subaru Forester2022 Subaru Ascent2022 Subaru Forester2021 Subaru Ascent2021 Subaru Forester
  Associated Documents

  • DownloadMC-11016230-0001.pdf↗
• March 27, 2025•Document ID: 11016229

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This announcement is in regard to the warranty extension initiated for windshields for the models listed.

  Associated Products (8)

  2022 Subaru Ascent2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11016229-0001.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 (18)

  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 WRX
  Associated Documents

  • DownloadMC-11016233-0001.pdf↗