Subaru Ascent Service Bulletins (2023)

293 manufacturer communications on file.

• February 17, 2025•Document ID: 11014867

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-189-21R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new door window regulator assemblies and door glass run channel seals in response to limited concerns of erratic operation of the anti-entrapment feature and/or the door glass either not closing or closing very slowly.

  Associated Products (16)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11014867-0001.pdf↗
• February 17, 2025•Document ID: 11014865

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-193-24R

  Date Added:

  March 4, 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 (42)

  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+ 22 more
  Associated Documents

  • DownloadMC-11014865-0001.pdf↗
• February 10, 2025•Document ID: 11014852

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (174)

  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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11014852-0001.pdf↗
• January 31, 2025•Document ID: 11013551

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-151-24R

  Date Added:

  February 4, 2025

  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 (19)

  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 Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11013551-0001.pdf↗
• January 31, 2025•Document ID: 11013530

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subarunet Announcement

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This announcement is in regard to special service tool shipment will be shipped directly to the Subar retailers during February.

  Associated Products (174)

  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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11013530-0001.pdf↗
• January 31, 2025•Document ID: 11013515

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  07-189-21R

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new door window regulator assemblies and door glass run channel seals in response to limited concerns of erratic operation of the anti-entrapment feature and / or the door glass either not closing or closing very slowly.

  Associated Products (16)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11013515-0001.pdf↗
• January 28, 2025•Document ID: 11013525

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  RC5 Head Unit OTA

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  A head unit OTA will be available via cellular network for Mid and High Grade CP1.5 head units.

  Associated Products (174)

  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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11013525-0001.pdf↗
• January 18, 2025•Document ID: 11013519

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  The 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-11013519-0001.pdf↗
• January 17, 2025•Document ID: 11013512

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  11-205-25

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the repair procedures to be followed when DTC P1449 (EVAP System Clog Detected) is detected by the Engine Control Module (ECM).

  Associated Products (28)

  2024 Subaru Ascent2024 Subaru Forester2024 Subaru WRX2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru WRX2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester+ 8 more
  Associated Documents

  • DownloadMC-11013512-0001.pdf↗
• December 19, 2024•Document ID: 11012265

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  02-193-24

  Date Added:

  January 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 (52)

  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+ 32 more
  Associated Documents

  • DownloadMC-11012265-0001.pdf↗
• December 13, 2024•Document ID: 11012260

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EXTERIOR LIGHTING

  Mfr Comm. #:

  07-59-07R

  Date Added:

  January 3, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin is for information purposes only.The bulletin adresses design changes of the headlamps and rear combination lamps, where moisture and or condensation may develop on the inside of the lamp lenses.

  Associated Products (172)

  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+ 152 more
  Associated Documents

  • DownloadMC-11012260-0001.pdf↗
• December 4, 2024•Document ID: 11012257

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-151-24R

  Date Added:

  January 3, 2025

  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 (19)

  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 Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11012257-0001.pdf↗
• December 3, 2024•Document ID: 11012253

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-150-24R

  Date Added:

  January 3, 2025

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces availability of new reprogramming files developed to address the two symptoms described below: 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. NOTE: Both of these symptoms are not related with a fault code. The new files contain enhanced software optimizing input clutch application along with enhanced hydraulic pressure control during braking/deceleration."

  Associated Products (19)

  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 Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11012253-0001.pdf↗
• November 22, 2024•Document ID: 11010932

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-150-24R

  Date Added:

  December 3, 2024

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces availability of new reprogramming files developed to address the two symptoms described below: 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. NOTE: Both of these symptoms are not related with a fault code."

  Associated Products (20)

  2025 Subaru Outback2024 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 Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11010932-0001.pdf↗
• November 22, 2024•Document ID: 11010931

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  06-92-24R

  Date Added:

  December 3, 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 (6)

  2024 Subaru Ascent2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent2020 Subaru Ascent2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11010931-0001.pdf↗
• November 22, 2024•Document ID: 11010928

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEAT BELTS

  Mfr Comm. #:

  17-20-24

  Date Added:

  December 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces a design change made to the second row inner seat belt buckle assembly to address cases of the seat belt indicator warnings not turning off after the buckle is fully latched.

  Associated Products (5)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent2020 Subaru Ascent2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11010928-0001.pdf↗
• November 21, 2024•Document ID: 11010905

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  12-251-23R

  Date Added:

  December 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems.

  Associated Products (14)

  2023 Subaru Ascent2023 Subaru Forester2023 Subaru Outback2022 Subaru Ascent2022 Subaru Forester2022 Subaru Outback2021 Subaru Ascent2021 Subaru Forester2021 Subaru Outback2020 Subaru Ascent2020 Subaru Forester2020 Subaru Outback2019 Subaru Ascent2019 Subaru Forester
  Associated Documents

  • DownloadMC-11010905-0001.pdf↗
• November 14, 2024•Document ID: 11010925

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  December 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This annocement is to inform dealers to the Gen 3.1 Head Unit OTA will be available via Wi-Fi. The update will take place in multiple batches with the first beginneing November 15th and the last being Decemeber 3rd. This update is for approximatelt 714,000 VINs.

  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-11010925-0001.pdf↗
• November 7, 2024•Document ID: 11010911

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  December 2, 2024

  Manufacturer:

  SUBARU

  Summary

  The 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-11010911-0001.pdf↗
• November 7, 2024•Document ID: 11010910

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-151-24R

  Date Added:

  December 2, 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 (19)

  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 Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-11010910-0001.pdf↗