Subaru Legacy Service Bulletins (2021)

430 manufacturer communications on file.

• November 27, 2023•Document ID: 10246138

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-106-23R

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes made to the Exhaust Pipe Front (EPF) to address concerns of rattle-type or fluttering sounds coming from the undercarriage during acceleration caused by cracking in the EPF.

  Associated Products (11)

  2023 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-10246138-0001.pdf↗
• November 27, 2023•Document ID: 10246135

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

  Mfr Comm. #:

  09-114-23

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin the announces availability of new reprogramming files for the Engine Control Module (ECM) developed to address cases of DTC P04AE (EVAP System Purge Control Valve “B” Performance / Stuck Open).

  Associated Products (11)

  2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10246135-0001.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 (14)

  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 Outback
  Associated Documents

  • DownloadMC-10246109-0001.pdf↗
• November 13, 2023•Document ID: 10246101

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  WRI-20R

  Date Added:

  December 5, 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 (2)

  2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10246101-0001.pdf↗
• November 10, 2023•Document ID: 10246097

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

  Mfr Comm. #:

  15-261-20R

  Date Added:

  December 5, 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 (4)

  2022 Subaru Legacy2022 Subaru Outback2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10246097-0001.pdf↗
• November 10, 2023•Document ID: 10246089

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

  Mfr Comm. #:

  SubaruNet Announ

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2021 model year Crosstrek vehicles, certain 2022 model year Forester, and certain 2021-2023 model year Legacy and Outback vehicles.

  Associated Products (8)

  2023 Subaru Legacy2023 Subaru Outback2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10246089-0001.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 (19)

  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 WRX
  Associated Documents

  • DownloadMC-10246083-0001.pdf↗
• October 26, 2023•Document ID: 10244903

  Service Bulletin/Repair Instructions
  COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-266-20R

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This 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 (32)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 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 Forester+ 12 more
  Associated Documents

  • DownloadMC-10244903-0001.pdf↗
• October 25, 2023•Document ID: 10244910

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  12-248-23R

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces the repair procedure developed to address rattle-type sounds heard from the left and/or right B-Pillar area.

  Associated Products (12)

  2024 Subaru Forester2024 Subaru Legacy2024 Subaru Outback2023 Subaru Forester2023 Subaru Legacy2023 Subaru Outback2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10244910-0001.pdf↗
• October 25, 2023•Document ID: 10244909

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEATS

  Mfr Comm. #:

  12-252-23R

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new seat ventilation blower units.

  Associated Products (7)

  2023 Subaru Ascent2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10244909-0001.pdf↗
• October 12, 2023•Document ID: 10244908

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

  Mfr Comm. #:

  18-224-22R

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin is to inform you of the diagnosis procedure of the CP1/ CP1.5 Infotainment System when DTC B2256 is detected.

  Associated Products (17)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru BRZ2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10244908-0001.pdf↗
• October 9, 2023•Document ID: 10244906

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

  Mfr Comm. #:

  09-110-23

  Date Added:

  November 6, 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). If DTC P0420 is found to be stored in the ECM, follow the diagnostic procedures outlined below.

  Associated Products (16)

  2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 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-10244906-0001.pdf↗
• October 6, 2023•Document ID: 10244895

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-213-22R

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.

  Associated Products (7)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Legacy2022 Subaru Outback2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10244895-0001.pdf↗
• September 28, 2023•Document ID: 10243402

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-136-22R

  Date Added:

  October 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This service bulletin provides a repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.

  Associated Products (6)

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

  • DownloadMC-10243402-0001.pdf↗
• September 28, 2023•Document ID: 10243401

  Service Bulletin/Repair Instructions
  SEATS; ELECTRICAL SYSTEM

  Mfr Comm. #:

  12-299-20R

  Date Added:

  October 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces a design change made to the outer hinge cover on the driver’s 10-way adjustable power seats.

  Associated Products (10)

  2023 Subaru Forester2023 Subaru WRX2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10243401-0001.pdf↗
• September 12, 2023•Document ID: 10243393

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  12-248-23R

  Date Added:

  October 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the repair procedure developed to address rattle-type sounds heard from the left and/or right B-Pillar area.

  Associated Products (9)

  2023 Subaru Forester2023 Subaru Legacy2023 Subaru Outback2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2021 Subaru Forester2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10243393-0001.pdf↗
• September 12, 2023•Document ID: 10243391

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  WRK-21/22R

  Date Added:

  October 3, 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 (2)

  2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10243391-0001.pdf↗
• September 11, 2023•Document ID: 10243372

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  18-231-23

  Date Added:

  October 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces additional information regarding error codes 1403- 1407 encountered when attempting an adjustment/calibration of the EyeSight® system after body repair procedures have been performed.

  Associated Products (16)

  2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Impreza2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback2021 Subaru WRX
  Associated Documents

  • DownloadMC-10243372-0001.pdf↗
• August 31, 2023•Document ID: 10241846

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

  Mfr Comm. #:

  15-282-21R

  Date Added:

  September 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information 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 (32)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 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 Forester+ 12 more
  Associated Documents

  • DownloadMC-10241846-0001.pdf↗
• August 24, 2023•Document ID: 10241843

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-106-23R

  Date Added:

  September 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes made to the Exhaust Pipe Front (EPF) to address concerns of rattle-type or fluttering sounds coming from the undercarriage during acceleration caused by crackingin the EPF.

  Associated Products (9)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10241843-0001.pdf↗