Subaru Impreza Service Bulletins (2023)

219 manufacturer communications on file.

• July 8, 2024•Document ID: 11005593

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-91-24

  Date Added:

  August 5, 2024

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.

  Associated Products (176)

  2025 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 Forester2023 Subaru Impreza2023 Subaru Legacy+ 156 more
  Associated Documents

  • DownloadMC-11005593-0001.pdf↗
• June 28, 2024•Document ID: 11002730

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This information announces reprograming file availability for Gen 4.5 Denso CP1.5 Audio and Navigation systems. Inprovement for CarPlay concerns with hands-free calls when the receiving party is not able to hear the caller.

  Associated Products (176)

  2025 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 Forester2023 Subaru Impreza2023 Subaru Legacy+ 156 more
  Associated Documents

  • DownloadMC-11002730-0001.pdf↗
• June 25, 2024•Document ID: 11002725

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  06-90-24

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.

  Associated Products (176)

  2025 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 Forester2023 Subaru Impreza2023 Subaru Legacy+ 156 more
  Associated Documents

  • DownloadMC-11002725-0001.pdf↗
• May 14, 2024•Document ID: 11000830

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-319-24

  Date Added:

  June 4, 2024

  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 (42)

  2024 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 Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester+ 22 more
  Associated Documents

  • DownloadMC-11000830-0001.pdf↗
• May 14, 2024•Document ID: 11000828

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-115-24

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new oxygen sensors developed to address the following Diagnostic Trouble Codes (DTCs); 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), and P0141 (O2 Sensor Heater Circuit Bank 1 Sensor 2).

  Associated Products (33)

  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+ 13 more
  Associated Documents

  • DownloadMC-11000828-0001.pdf↗
• May 3, 2024•Document ID: 11000812

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ENGINE

  Mfr Comm. #:

  09-123-24

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1).

  Associated Products (24)

  2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Crosstrek2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Crosstrek2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2020 Subaru Crosstrek2020 Subaru Impreza2019 Subaru Crosstrek2019 Subaru Impreza+ 4 more
  Associated Documents

  • DownloadMC-11000812-0001.pdf↗
• March 27, 2024•Document ID: 10252542

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-256-19R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

  Associated Products (28)

  2024 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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10252542-0001.pdf↗
• March 26, 2024•Document ID: 10252541

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-236-18R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin addresses the 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 (28)

  2024 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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10252541-0001.pdf↗
• March 26, 2024•Document ID: 10252539

  Service Bulletin/Repair Instructions
  STEERING; EQUIPMENT

  Mfr Comm. #:

  12-321-21R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.

  Associated Products (19)

  2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2020 Subaru Crosstrek2020 Subaru Impreza2020 Subaru Legacy2020 Subaru Outback2019 Subaru Crosstrek2019 Subaru Impreza2018 Subaru Crosstrek2018 Subaru Impreza2017 Subaru Impreza
  Associated Documents

  • DownloadMC-10252539-0001.pdf↗
• March 25, 2024•Document ID: 10252494

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-303-22R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides information for all Gen 3 Telematics and Cp 1.5 infotainment equipped vehicles, starting with 2023MY, allowing access to valet mode through the head unit.

  Associated Products (22)

  2025 Subaru Impreza2025 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 Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra+ 2 more
  Associated Documents

  • DownloadMC-10252494-0001.pdf↗
• March 19, 2024•Document ID: 10252531

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-257-19R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  "This Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations, and can cause DTC B2A15, a red telematics MIL to illuminate, or recurring STARLINK notification to retailers and emails to customers. "

  Associated Products (28)

  2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback+ 8 more
  Associated Documents

  • DownloadMC-10252531-0001.pdf↗
• March 19, 2024•Document ID: 10252492

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  15-242-19R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.

  Associated Products (53)

  2024 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 Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek+ 33 more
  Associated Documents

  • DownloadMC-10252492-0001.pdf↗
• March 19, 2024•Document ID: 10252491

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-219-18R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.

  Associated Products (53)

  2024 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 Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek+ 33 more
  Associated Documents

  • DownloadMC-10252491-0001.pdf↗
• March 5, 2024•Document ID: 10252454

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-225-22R

  Date Added:

  April 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable.

  Associated Products (24)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza+ 4 more
  Associated Documents

  • DownloadMC-10252454-0001.pdf↗
• January 11, 2024•Document ID: 10249606

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  February 2, 2024

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (34)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek+ 14 more
  Associated Documents

  • DownloadMC-10249606-0001.pdf↗
• January 9, 2024•Document ID: 10249605

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-256-19R

  Date Added:

  February 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

  Associated Products (28)

  2024 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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10249605-0001.pdf↗
• January 8, 2024•Document ID: 10249600

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Mfr Comm. #:

  09-111-24

  Date Added:

  February 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM).

  Associated Products (2)

  2023 Subaru Crosstrek2023 Subaru Impreza
  Associated Documents

  • DownloadMC-10249600-0001.pdf↗
• December 8, 2023•Document ID: 10248193

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-236-18R

  Date Added:

  January 3, 2024

  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 (28)

  2024 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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10248193-0001.pdf↗
• November 15, 2023•Document ID: 10246109

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-232-23

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the revised break-in procedure for the A/C compressor.

  Associated Products (25)

  2023 Subaru Crosstrek2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Impreza2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent+ 5 more
  Associated Documents

  • DownloadMC-10246109-0001.pdf↗
• November 7, 2023•Document ID: 10246083

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-110-23R

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM).

  Associated Products (44)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 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 Ascent+ 24 more
  Associated Documents

  • DownloadMC-10246083-0001.pdf↗