Subaru Forester Service Bulletins (2021)

352 manufacturer communications on file.

• 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 (39)

  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+ 19 more
  Associated Documents

  • DownloadMC-11027081-0001.pdf↗
• December 8, 2025•Document ID: 11027076

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-84-21R

  Date Added:

  January 6, 2026

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.

  Associated Products (3)

  2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11027076-0001.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 (51)

  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+ 31 more
  Associated Documents

  • DownloadMC-11027073-0001.pdf↗
• November 20, 2025•Document ID: 11025796

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subaru Tech Tips (Article

  Date Added:

  December 1, 2025

  Manufacturer:

  SUBARU

  Summary

  Subaru service article locator.

  Associated Products (48)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy+ 28 more
  Associated Documents

  • DownloadMC-11025796-0001.pdf↗
• November 20, 2025•Document ID: 11025790

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-228-25

  Date Added:

  December 1, 2025

  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 (37)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy+ 17 more
  Associated Documents

  • DownloadMC-11025790-0001.pdf↗
• November 20, 2025•Document ID: 11025789

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subaru Tech Tips (Article

  Date Added:

  December 1, 2025

  Manufacturer:

  SUBARU

  Summary

  Subaru service article locator.

  Associated Products (48)

  2026 Subaru Ascent2026 Subaru BRZ2026 Subaru Crosstrek2026 Subaru Forester2026 Subaru Impreza2026 Subaru Outback2026 Subaru Solterra2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy+ 28 more
  Associated Documents

  • DownloadMC-11025789-0001.pdf↗
• November 4, 2025•Document ID: 11024861

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-156-25R

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces a design change made to the CVT Control Valve Body which enhancement was implemented to prevent abnormal operations. The updated valve body incorporates an enhanced valve sleeve to improve durability.

  Associated Products (6)

  2023 Subaru Forester2022 Subaru Forester2022 Subaru Impreza2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza
  Associated Documents

  • DownloadMC-11024861-0001.pdf↗
• October 29, 2025•Document ID: 11024867

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  15-130-08R

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides information on the load carrying capacity reduced label when a port-installed or retailer-installed accessory exeeds 1.5 percent of the GVWR or 100 pounds, which ever is lower.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024867-0001.pdf↗
• October 28, 2025•Document ID: 11024869

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-308-23R

  Date Added:

  November 4, 2025

  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.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024869-0001.pdf↗
• October 28, 2025•Document ID: 11024864

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-319-24R

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the diagnostic procedures to be followed when encountering cases of the Remote Engine Start (RES) system being the only non-functioning feature with telematics.

  Associated Products (36)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy+ 16 more
  Associated Documents

  • DownloadMC-11024864-0001.pdf↗
• October 28, 2025•Document ID: 11024863

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subaru Tech Tips (Article

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  Subaru tech tips newsletter article locator.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024863-0001.pdf↗
• October 28, 2025•Document ID: 11024859

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subaru Tech Tips (Article

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  Subaru tech tips newsletter article locator.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024859-0001.pdf↗
• October 23, 2025•Document ID: 11024858

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-236-25

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin outlines a comprehensive update to the dark current/parasitic draw diagnosis & testing procedures.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024858-0001.pdf↗
• October 23, 2025•Document ID: 11024857

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-233-25R

  Date Added:

  November 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11024857-0001.pdf↗
• September 30, 2025•Document ID: 11023536

  Service Bulletin/Repair Instructions
  ENGINE; FORWARD COLLISION AVOIDANCE: WARNINGS

  Mfr Comm. #:

  07-235-25

  Date Added:

  October 2, 2025

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage in the models listed. The extension will address instances of “phantom braking” or the EyeSight/RAB systems causing unnecessary stoppage/slowing of the vehicle.

  Associated Products (16)

  2024 Subaru BRZ2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Impreza2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11023536-0001.pdf↗
• September 30, 2025•Document ID: 11023524

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-219-18R

  Date Added:

  October 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin addresses cases 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 (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11023524-0001.pdf↗
• September 30, 2025•Document ID: 11023523

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-156-25

  Date Added:

  October 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces a design change made to the CVT Control Valve Body. The updated valve body incorporates an enhanced valve sleeve to improve durability.

  Associated Products (9)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza
  Associated Documents

  • DownloadMC-11023523-0001.pdf↗
• September 30, 2025•Document ID: 11023522

  Service Bulletin/Repair Instructions
  POWER TRAIN; WHEELS

  Mfr Comm. #:

  05-94-25

  Date Added:

  October 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin outlines the repair procedure to follow when the axle nut has rotated from its originally torqued position.

  Associated Products (4)

  2024 Subaru Forester2023 Subaru Forester2022 Subaru Forester2021 Subaru Forester
  Associated Documents

  • DownloadMC-11023522-0001.pdf↗
• September 5, 2025•Document ID: 11023505

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  October 2, 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.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11023505-0001.pdf↗
• September 3, 2025•Document ID: 11023500

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-233-25

  Date Added:

  October 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory wjhich must be tested and reported every 30 days.

  Associated Products (41)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 Subaru Forester2025 Subaru Impreza2025 Subaru Legacy2025 Subaru Outback2025 Subaru Solterra2024 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 Forester+ 21 more
  Associated Documents

  • DownloadMC-11023500-0001.pdf↗