Subaru Legacy Service Bulletins (2023)

307 manufacturer communications on file.

• June 28, 2024•Document ID: 11002730

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  SubaruNet Announcement

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This information announces reprograming file availability for Gen 4.5 Denso CP1.5 Audio and Navigation systems. Inprovement for CarPlay concerns with hands-free calls when the receiving party is not able to hear the caller.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11002730-0001.pdf↗
• June 28, 2024•Document ID: 11002729

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-305-22R

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin 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-11002729-0001.pdf↗
• June 25, 2024•Document ID: 11002725

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  06-90-24

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.

  Associated Products (38)

  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 WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback+ 18 more
  Associated Documents

  • DownloadMC-11002725-0001.pdf↗
• May 14, 2024•Document ID: 11000830

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  15-319-24

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the diagnostic procedures to be followed when encountering cases of the Remote Engine Start (RES) system being the only non-functioning feature with telematics.

  Associated Products (31)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester+ 11 more
  Associated Documents

  • DownloadMC-11000830-0001.pdf↗
• May 14, 2024•Document ID: 11000828

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-115-24

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new oxygen sensors developed to address the following Diagnostic Trouble Codes (DTCs); P0137 (O2 Sensor Circuit Low Voltage Bank 1 Sensor 2, P0138 (O2 Sensor Circuit High Voltage Bank 1 Sensor 2) P0140 (O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2), and P0141 (O2 Sensor Heater Circuit Bank 1 Sensor 2).

  Associated Products (21)

  2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy+ 1 more
  Associated Documents

  • DownloadMC-11000828-0001.pdf↗
• May 14, 2024•Document ID: 11000822

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: WARNINGS

  Mfr Comm. #:

  07-225-24R

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address DTC B28C7 (EyeSight Fan Motor RPM), E5 (halt code deected by EyeSight Stereo Camera), and B28A6 (Internal Stereo Camera Communication 1).

  Associated Products (6)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-11000822-0001.pdf↗
• May 3, 2024•Document ID: 11000812

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  09-123-24

  Date Added:

  June 4, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1).

  Associated Products (16)

  2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Crosstrek2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Crosstrek2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-11000812-0001.pdf↗
• April 24, 2024•Document ID: 10253995

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  WRI-22R

  Date Added:

  May 2, 2024

  Manufacturer:

  SUBARU

  Summary

  In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating this service program for certain 2023 model year Legacy and Outback vehicles equipped with STARLINK® InVehicle Technology. As a result of 3G network no longer being available, the DCM may not connect to 4G VoLTE for voice calls and the call will fail.

  Associated Products (2)

  2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10253995-0001.pdf↗
• April 18, 2024•Document ID: 10253976

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

  Mfr Comm. #:

  07-225-24R

  Date Added:

  May 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address cases were a halt code E5, B28A6 and or DTC B28C7 is detected by the EyeSight Stereo Camera assembly.

  Associated Products (6)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10253976-0001.pdf↗
• April 12, 2024•Document ID: 10253962

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-311-23R

  Date Added:

  May 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed.

  Associated Products (8)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10253962-0001.pdf↗
• April 9, 2024•Document ID: 10253953

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-117-24

  Date Added:

  May 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprogramming files developed to address cases of DTC P0890 (TCM Power Relay Sense Circuit Low) detected by the Engine Control Module (ECM).

  Associated Products (12)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 Subaru Legacy2022 Subaru Outback2021 Subaru Ascent2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10253953-0001.pdf↗
• March 28, 2024•Document ID: 10252553

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  07-213-22R

  Date Added:

  April 3, 2024

  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 (10)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Legacy2022 Subaru Outback2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10252553-0001.pdf↗
• March 28, 2024•Document ID: 10252549

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  7-213-22R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. This battery has higher capacity and is slightly larger in dimension."

  Associated Products (10)

  2024 Subaru Ascent2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru Legacy2022 Subaru Outback2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10252549-0001.pdf↗
• March 26, 2024•Document ID: 10252539

  Service Bulletin/Repair Instructions
  STEERING; EQUIPMENT

  Mfr Comm. #:

  12-321-21R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.

  Associated Products (10)

  2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10252539-0001.pdf↗
• March 25, 2024•Document ID: 10252494

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-303-22R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides information for all Gen 3 Telematics and Cp 1.5 infotainment equipped vehicles, starting with 2023MY, allowing access to valet mode through the head unit.

  Associated Products (20)

  2025 Subaru Impreza2025 Subaru Outback2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX
  Associated Documents

  • DownloadMC-10252494-0001.pdf↗
• March 19, 2024•Document ID: 10252531

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-257-19R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  "This Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations, and can cause DTC B2A15, a red telematics MIL to illuminate, or recurring STARLINK notification to retailers and emails to customers. "

  Associated Products (20)

  2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10252531-0001.pdf↗
• March 19, 2024•Document ID: 10252492

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  15-242-19R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This 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 (34)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ+ 14 more
  Associated Documents

  • DownloadMC-10252492-0001.pdf↗
• March 19, 2024•Document ID: 10252491

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-219-18R

  Date Added:

  April 3, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.

  Associated Products (34)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru Solterra2024 Subaru WRX2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ+ 14 more
  Associated Documents

  • DownloadMC-10252491-0001.pdf↗
• March 19, 2024•Document ID: 10252490

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  WRQ-23R

  Date Added:

  April 3, 2024

  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. This recall may contain an inhibitor switch that was manufactured with an insufficient weld between the switch stator and cover allowing water intrusion.

  Associated Products (8)

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

  • DownloadMC-10252490-0001.pdf↗
• March 18, 2024•Document ID: 10252460

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

  Mfr Comm. #:

  09-114-23R

  Date Added:

  April 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This will address cases of DTC P04AE for the EVAP purge control valve stuck open.

  Associated Products (7)

  2024 Subaru Legacy2024 Subaru Outback2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-10252460-0001.pdf↗