Subaru Ascent Service Bulletins (2021)

369 manufacturer communications on file.

• May 24, 2023•Document ID: 10237282

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  07-219-23R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of a new Genuine Subaru Alternative Replacement Battery introduced to satisfy current supply demands.

  Associated Products (2)

  2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10237282-0001.pdf↗
• May 22, 2023•Document ID: 10237291

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-62-18R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides a procedure to address customer concerns of surface rust accumulating in the top center retaining nut area of the front strut mounts.

  Associated Products (18)

  2023 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 Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10237291-0001.pdf↗
• May 16, 2023•Document ID: 10237278

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-141-23

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM).

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10237278-0001.pdf↗
• May 15, 2023•Document ID: 10237276

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-255-19R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units (H/U).

  Associated Products (14)

  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 WRX
  Associated Documents

  • DownloadMC-10237276-0001.pdf↗
• May 11, 2023•Document ID: 10237273

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

  Mfr Comm. #:

  15-236-18R

  Date Added:

  June 5, 2023

  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 (13)

  2023 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-10237273-0001.pdf↗
• May 8, 2023•Document ID: 10237254

  Service Bulletin/Repair Instructions
  EQUIPMENT; AIR BAGS

  Mfr Comm. #:

  17-18-23

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of the one-time use mounting clip and spacer clip for the air bag curtain module.

  Associated Products (10)

  2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10237254-0001.pdf↗
• May 4, 2023•Document ID: 10237241

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-282-21R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature.

  Associated Products (16)

  2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2021 Subaru WRX
  Associated Documents

  • DownloadMC-10237241-0001.pdf↗
• May 2, 2023•Document ID: 10237239

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

  Mfr Comm. #:

  15-256-19R

  Date Added:

  June 5, 2023

  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 (13)

  2023 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-10237239-0001.pdf↗
• April 27, 2023•Document ID: 10235289

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-132-20R

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions used in the models listed.

  Associated Products (18)

  2023 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 Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10235289-0001.pdf↗
• April 26, 2023•Document ID: 10235310

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-140-23

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new reprograming files for the Transmission Control Module (TCM) to address judder a sensation possibly accompanied by a vibration-type sound when accelerating from slow speeds.

  Associated Products (1)

  2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10235310-0001.pdf↗
• April 25, 2023•Document ID: 10235307

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  11-204-23

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces a design change made to the Positive Crankcase Ventilation (PCV) hose assembly.

  Associated Products (6)

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

  • DownloadMC-10235307-0001.pdf↗
• April 17, 2023•Document ID: 10235291

  Service Bulletin/Repair Instructions
  EQUIPMENT; LATCHES/LOCKS/LINKAGES:DOORS:LOCK

  Mfr Comm. #:

  07-217-23

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces additional cautions being added to the Owner’s Manual and Service Manual regarding the operation of door locks.

  Associated Products (13)

  2022 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 Outback
  Associated Documents

  • DownloadMC-10235291-0001.pdf↗
• April 5, 2023•Document ID: 10235285

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-266-20R

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru.

  Associated Products (25)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek+ 5 more
  Associated Documents

  • DownloadMC-10235285-0001.pdf↗
• April 5, 2023•Document ID: 10235282

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  12-281-20R

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides a repair procedure to address a small number of customer concerns of the hood panel surface vibrating while driving.

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10235282-0001.pdf↗
• March 27, 2023•Document ID: 10233911

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-219-23R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of a new Genuine Subaru Alternative Replacement Battery introduced to satisfy current supply demands.

  Associated Products (2)

  2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10233911-0001.pdf↗
• March 23, 2023•Document ID: 10233907

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

  Mfr Comm. #:

  15-285-21R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

  Associated Products (25)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek+ 5 more
  Associated Documents

  • DownloadMC-10233907-0001.pdf↗
• March 15, 2023•Document ID: 10233886

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-240-19R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.

  Associated Products (15)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10233886-0001.pdf↗
• February 28, 2023•Document ID: 10232239

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-242-19R

  Date Added:

  March 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information 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 (25)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek+ 5 more
  Associated Documents

  • DownloadMC-10232239-0001.pdf↗
• February 28, 2023•Document ID: 10232237

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-219-18R

  Date Added:

  March 2, 2023

  Manufacturer:

  SUBARU

  Summary

  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 (25)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek+ 5 more
  Associated Documents

  • DownloadMC-10232237-0001.pdf↗
• February 20, 2023•Document ID: 10232227

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  WRL-22R

  Date Added:

  March 2, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2022 model year Ascent vehicles.

  Associated Products (2)

  2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10232227-0001.pdf↗