Subaru Legacy Service Bulletins

2,189 manufacturer communications on file.

• May 2, 2023•Document ID: 10237239

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM; 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 (27)

  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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX2019 Subaru Ascent+ 7 more
  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 (35)

  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 Outback2020 Subaru Ascent2020 Subaru Crosstrek+ 15 more
  Associated Documents

  • DownloadMC-10235289-0001.pdf↗
• April 26, 2023•Document ID: 10235314

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

  Mfr Comm. #:

  15-305-22R

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  Reprogramming File Availability for Optimization of Gen 4.5 Denso CP1.5 Infotainment Systems

  Associated Products (3)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10235314-0001.pdf↗
• April 25, 2023•Document ID: 10235307

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

  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 (10)

  2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  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 (25)

  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 Outback2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent+ 5 more
  Associated Documents

  • DownloadMC-10235291-0001.pdf↗
• April 11, 2023•Document ID: 10235287

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-302-22R

  Date Added:

  May 2, 2023

  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 (10)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek
  Associated Documents

  • DownloadMC-10235287-0001.pdf↗
• April 5, 2023•Document ID: 10235281

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM; STRUCTURE; VISIBILITY:GLASS, SIDE/REAR

  Mfr Comm. #:

  07-189-21R

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of new front door window regulator assemblies 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 (2)

  2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10235281-0001.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 (43)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2022 Subaru XV CrossTrek2021 Subaru Ascent+ 23 more
  Associated Documents

  • DownloadMC-10235285-0001.pdf↗
• April 4, 2023•Document ID: 10235277

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  TKA, TKB, TKC-20

  Date Added:

  May 2, 2023

  Manufacturer:

  SUBARU

  Summary

  Takata Front Passenger Airbag Module / Inflator “Like for Like” Recall

  Associated Products (50)

  2014 Subaru Forester2014 Subaru Legacy2014 Subaru Outback2014 Subaru WRX2013 Subaru Forester2013 Subaru Legacy2013 Subaru Outback2013 Subaru WRX2012 Subaru Forester2012 Subaru Legacy2012 Subaru Outback2012 Subaru WRX2011 Subaru Forester2011 Subaru Impreza2011 Subaru Legacy2011 Subaru Outback2011 Subaru WRX2010 Subaru Forester2010 Subaru Impreza2010 Subaru Legacy+ 30 more
  Associated Documents

  • DownloadMC-10235277-0001.pdf↗
• March 23, 2023•Document ID: 10233907

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

  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 (74)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2022 Subaru XV CrossTrek2021 Subaru Ascent+ 54 more
  Associated Documents

  • DownloadMC-10233907-0001.pdf↗
• March 15, 2023•Document ID: 10233895

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  16-128-20R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of a new transmission harness for use when diagnosis of DTC P0842 -TRANSMISSION FLUID PRESSURE SENSOR / SWITCH “A” CIRCUIT LOW determines the sensor itself is OK but the transmission wiring harness is NG.

  Associated Products (4)

  2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-10233895-0001.pdf↗
• March 15, 2023•Document ID: 10233917

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-273-20

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin addresses isolated customer concerns regarding the pictured CP1 BASE Model Center Information Display (CID) LOWER 7-inch display screen flashing, not responding to touch inputs and / or shutting off intermittently.

  Associated Products (10)

  2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233917-0001.pdf↗
• March 15, 2023•Document ID: 10233899

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

  Mfr Comm. #:

  15-268-20R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  USB Map Data Update Procedure for Denso Gen 4 Navigation Equipped System.

  Associated Products (11)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233899-0001.pdf↗
• March 15, 2023•Document ID: 10233892

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

  Mfr Comm. #:

  15-270-20R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4 Audio and Navigation system utilized in the models listed.

  Associated Products (10)

  2023 Subaru BRZ2023 Subaru WRX2022 Subaru BRZ2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233892-0001.pdf↗
• March 15, 2023•Document ID: 10233886

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

  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 (32)

  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 Outback2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru Legacy+ 12 more
  Associated Documents

  • DownloadMC-10233886-0001.pdf↗
• March 15, 2023•Document ID: 10233882

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  WRK-21/22R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) has initiated this safety and emissions Recall for certain 2019 -2020 model year Ascent vehicles, 2020-2021 model year turbo Legacy vehicles, and 2020-2021 model year turbo Outback vehicles in which the Continuously Variable Transmission (CVT) chain may slip and/or break.

  Associated Products (6)

  2021 Subaru Legacy2021 Subaru Outback2020 Subaru Ascent2020 Subaru Legacy2020 Subaru Outback2019 Subaru Ascent
  Associated Documents

  • DownloadMC-10233882-0001.pdf↗
• March 13, 2023•Document ID: 10233880

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

  Mfr Comm. #:

  15-261-20R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.

  Associated Products (6)

  2022 Subaru Legacy2022 Subaru Outback2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233880-0001.pdf↗
• March 10, 2023•Document ID: 10233875

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  WRH-20

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update.

  Associated Products (2)

  2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233875-0001.pdf↗
• March 10, 2023•Document ID: 10233874

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  WRI-20R

  Date Added:

  April 6, 2023

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.

  Associated Products (4)

  2021 Subaru Legacy2021 Subaru Outback2020 Subaru Legacy2020 Subaru Outback
  Associated Documents

  • DownloadMC-10233874-0001.pdf↗
• March 9, 2023•Document ID: 10233871

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

  Mfr Comm. #:

  15-305-22R

  Date Added:

  April 6, 2023

  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 (3)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10233871-0001.pdf↗