Subaru Legacy Service Bulletins (2019)

430 manufacturer communications on file.

• March 19, 2024•Document ID: 10252465

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-318-24R

  Date Added:

  April 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription.

  Associated Products (5)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX
  Associated Documents

  • DownloadMC-10252465-0001.pdf↗
• February 23, 2024•Document ID: 10251102

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-318-24

  Date Added:

  March 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of a Data Communication Module (DCM) bypass box. This has been designed as an alternative replacement part for vehicles without active STARLINK subscriptions. The bypass box will support audio functions for the infotainment system.

  Associated Products (5)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX
  Associated Documents

  • DownloadMC-10251102-0001.pdf↗
• January 9, 2024•Document ID: 10249605

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-256-19R

  Date Added:

  February 2, 2024

  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 (28)

  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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10249605-0001.pdf↗
• December 8, 2023•Document ID: 10248193

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-236-18R

  Date Added:

  January 3, 2024

  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 (28)

  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 WRX2020 Subaru Ascent2020 Subaru BRZ2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza2020 Subaru WRX+ 8 more
  Associated Documents

  • DownloadMC-10248193-0001.pdf↗
• November 27, 2023•Document ID: 10246143

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  07-207-22R

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. is extending the New Car Basic Warranty coverage for the 12 Volt batteries used in the above listed models and model years beyond the original three (3) years or thirty six thousand miles (36,000), whichever comes first.

  Associated Products (26)

  2020 Subaru Ascent2020 Subaru Forester2020 Subaru Legacy2020 Subaru Outback2020 Subaru WRX2019 Subaru Ascent2019 Subaru Forester2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX2018 Subaru Forester2018 Subaru Legacy2018 Subaru Outback2018 Subaru WRX2017 Subaru Forester2017 Subaru Legacy2017 Subaru Outback2017 Subaru WRX2016 Subaru Forester2016 Subaru Legacy+ 6 more
  Associated Documents

  • DownloadMC-10246143-0001.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 (44)

  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 WRX2020 Subaru Ascent+ 24 more
  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 (51)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek2022 Subaru Ascent2022 Subaru BRZ+ 31 more
  Associated Documents

  • DownloadMC-10244903-0001.pdf↗
• October 9, 2023•Document ID: 10244906

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

  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 (38)

  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 Outback2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza+ 18 more
  Associated Documents

  • DownloadMC-10244906-0001.pdf↗
• October 2, 2023•Document ID: 10244884

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-314-23

  Date Added:

  November 6, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin is to inform you of the availability of the new auxiliary USB terminal and adapter cord designed to address cases of intermittent communication loss when using Apple CarPlay and/or Android Auto application connected via the auxiliary USB terminal port (2-port type) to Gen 3.1 Harman Head Unit.

  Associated Products (8)

  2019 Subaru Ascent2019 Subaru BRZ2019 Subaru Crosstrek2019 Subaru Forester2019 Subaru Impreza2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX
  Associated Documents

  • DownloadMC-10244884-0001.pdf↗
• October 2, 2023•Document ID: 10244889

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

  Mfr Comm. #:

  15-236-18R

  Date Added:

  November 6, 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 (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-10244889-0001.pdf↗
• September 11, 2023•Document ID: 10243372

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

  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 (51)

  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 WRX2020 Subaru Ascent2020 Subaru Crosstrek2020 Subaru Forester2020 Subaru Impreza+ 31 more
  Associated Documents

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

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

  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 (51)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek2022 Subaru Ascent2022 Subaru BRZ+ 31 more
  Associated Documents

  • DownloadMC-10241846-0001.pdf↗
• August 1, 2023•Document ID: 10241801

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT; LATCHES/LOCKS/LINKAGES

  Mfr Comm. #:

  01-168-09R

  Date Added:

  September 5, 2023

  Manufacturer:

  SUBARU

  Summary

  The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

  Associated Products (162)

  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+ 142 more
  Associated Documents

  • DownloadMC-10241801-0001.pdf↗
• July 31, 2023•Document ID: 10240125

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  07-207-22R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. is extending the New Car Basic Warranty coverage for the 12 Volt batteries used in the above listed models and model years beyond the original three (3) years or thirty six thousand miles (36,000), whichever comes first.

  Associated Products (26)

  2020 Subaru Ascent2020 Subaru Forester2020 Subaru Legacy2020 Subaru Outback2020 Subaru WRX2019 Subaru Ascent2019 Subaru Forester2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX2018 Subaru Forester2018 Subaru Legacy2018 Subaru Outback2018 Subaru WRX2017 Subaru Forester2017 Subaru Legacy2017 Subaru Outback2017 Subaru WRX2016 Subaru Forester2016 Subaru Legacy+ 6 more
  Associated Documents

  • DownloadMC-10240125-0001.pdf↗
• July 25, 2023•Document ID: 10240121

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-109-23

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces diagnostic procedures along with availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sensor Circuit Range/Performance) detection.

  Associated Products (8)

  2019 Subaru Legacy2019 Subaru Outback2018 Subaru Legacy2018 Subaru Outback2017 Subaru Legacy2017 Subaru Outback2016 Subaru Legacy2016 Subaru Outback
  Associated Documents

  • DownloadMC-10240121-0001.pdf↗
• July 13, 2023•Document ID: 10240111

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  07-223-23R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of a new Genuine Subaru Replacement Battery introduced to replace the current battery (SOA821B400). The new battery (SOA821B950) has a higher capacity and is slightly different in size.

  Associated Products (12)

  2019 Subaru Legacy2019 Subaru Outback2018 Subaru Legacy2018 Subaru Outback2017 Subaru Legacy2017 Subaru Outback2016 Subaru Legacy2016 Subaru Outback2015 Subaru Legacy2015 Subaru Outback2014 Subaru Legacy2014 Subaru Outback
  Associated Documents

  • DownloadMC-10240111-0001.pdf↗
• July 13, 2023•Document ID: 10240113

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

  Mfr Comm. #:

  15-285-21R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (82)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2023 Subaru XV CrossTrek2022 Subaru Ascent2022 Subaru BRZ+ 62 more
  Associated Documents

  • DownloadMC-10240113-0001.pdf↗
• July 11, 2023•Document ID: 10240107

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT

  Mfr Comm. #:

  07-223-23

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of a new Genuine Subaru Replacement Battery introduced to replace the current battery (SOA821B400) once current inventory is depleted.

  Associated Products (12)

  2019 Subaru Legacy2019 Subaru Outback2018 Subaru Legacy2018 Subaru Outback2017 Subaru Legacy2017 Subaru Outback2016 Subaru Legacy2016 Subaru Outback2015 Subaru Legacy2015 Subaru Outback2014 Subaru Legacy2014 Subaru Outback
  Associated Documents

  • DownloadMC-10240107-0001.pdf↗
• July 11, 2023•Document ID: 10240110

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  12-249-23R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the recommended cleaning procedures to followed when encountering vehicles with long time exposure to pollen on painted surfaces on vehicles imported from Japan. This bulletin does not apply to SIA built vehicles.

  Associated Products (171)

  2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX+ 151 more
  Associated Documents

  • DownloadMC-10240110-0001.pdf↗
• June 29, 2023•Document ID: 10238470

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-240-19R

  Date Added:

  July 3, 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-10238470-0001.pdf↗