Subaru Ascent Service Bulletins (2023)

267 manufacturer communications on file.

• October 31, 2024•Document ID: 11009699

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN; ENGINE

  Mfr Comm. #:

  16-150-24R

  Date Added:

  November 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprogramming files developed to address symptoms which a jerk or judder sensation can be felt from the powertrain during braking with air conditioning on, or a shudder felt from the powertrain along with a screeching type of sound.

  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-11009699-0001.pdf↗
• October 22, 2024•Document ID: 11009694

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  16-151-24

  Date Added:

  November 4, 2024

  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.

  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-11009694-0001.pdf↗
• October 7, 2024•Document ID: 11009690

  Other
  SERVICE BRAKES

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  November 4, 2024

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. has announced a warranty extension to the front brakes which will address concerns related to squeak and or judder noises. This is related to Ascent vehicles manufactured prior to January 11th, 2024.

  Associated Products (4)

  2024 Subaru Ascent2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-11009690-0001.pdf↗
• October 2, 2024•Document ID: 11009689

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  November 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin 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 (12)

  2025 Subaru Forester2025 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-11009689-0001.pdf↗
• October 1, 2024•Document ID: 11009685

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-167-08R

  Date Added:

  November 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11009685-0001.pdf↗
• September 27, 2024•Document ID: 11008283

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-298-22R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINK® Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008283-0001.pdf↗
• September 27, 2024•Document ID: 11008282

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  01-167-08R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008282-0001.pdf↗
• September 26, 2024•Document ID: 11008281

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-192-24

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008281-0001.pdf↗
• September 26, 2024•Document ID: 11008280

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-178-21R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This Service Information bulletin is being released as guidance for proper testing and charging of vehicle batteries.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008280-0001.pdf↗
• September 26, 2024•Document ID: 11008279

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-320-24

  Date Added:

  October 2, 2024

  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 (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008279-0001.pdf↗
• September 26, 2024•Document ID: 11008278

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  06-92-24R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the front brake on 2019-24 model year Ascent models to 8 years (96 months) or 150,000 miles (whichever comes first) to address cases of front brake pulsation or squealing.

  Associated Products (4)

  2024 Subaru Ascent2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-11008278-0001.pdf↗
• September 26, 2024•Document ID: 11008277

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE; POWER TRAIN

  Mfr Comm. #:

  16-150-24R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprogramming files developed to address the two symptoms, a jerk or judder sensation felt from the powertrain during braking with the air conditioning on, or a shudder is felt from the powertrain along with a screeching type of sound.

  Associated Products (9)

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

  • DownloadMC-11008277-0001.pdf↗
• September 26, 2024•Document ID: 11008276

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  The CP1.5 RCs OTA is available for all mid and high grade CP1.5 head units.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008276-0001.pdf↗
• September 19, 2024•Document ID: 11008270

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER; STRUCTURE:BODY

  Mfr Comm. #:

  12-254-24

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the rear gate glass, it is intended to address cases of rust build up along the edge of the rear gate opening of the rear quarter panel.

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-11008270-0001.pdf↗
• September 17, 2024•Document ID: 11008268

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

  Mfr Comm. #:

  07-211-23

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides the printable target chart needed to perform the wide angle mono camera adjustment procedure for the EyeSight system.

  Associated Products (5)

  2024 Subaru Crosstrek2024 Subaru Impreza2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11008268-0001.pdf↗
• September 17, 2024•Document ID: 11008267

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-191-22R

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of the NEW genuine Subaru engine oil filter.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008267-0001.pdf↗
• September 13, 2024•Document ID: 11008265

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-150-24

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprogramming files developed to address of a a jerk or judder sensation felt from the powertrain during braking with air conditioning on, or a shudder felt from the powertrain along with a screeching type of sound.

  Associated Products (8)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX
  Associated Documents

  • DownloadMC-11008265-0001.pdf↗
• September 4, 2024•Document ID: 11008259

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  03-94-24

  Date Added:

  October 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to reduce unnecessary bushing replacement.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11008259-0001.pdf↗
• August 15, 2024•Document ID: 11006932

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-308-23R

  Date Added:

  September 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces important diagnostic information to utilize when the Data Communication Module (DCM) is being tested as a dark current/standby current source.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11006932-0001.pdf↗
• August 5, 2024•Document ID: 11006935

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-320-24

  Date Added:

  September 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure for 2025MY vehicles.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11006935-0001.pdf↗