Subaru WRX Service Bulletins (2022)

238 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 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↗
• June 24, 2024•Document ID: 11002723

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-221-23R

  Date Added:

  July 1, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the repair procedures when corrosion is encountered within the instrument panel wiring harness and the rear wiring harness connectors.

  Associated Products (9)

  2023 Subaru Crosstrek2023 Subaru Forester2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru WRX2021 Subaru Crosstrek2021 Subaru Forester2021 Subaru Impreza
  Associated Documents

  • DownloadMC-11002723-0001.pdf↗
• May 14, 2024•Document ID: 11000830

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  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↗
• April 30, 2024•Document ID: 10254003

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-270-20R

  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 Audio and Navigation system utilized in the models listed.

  Associated Products (8)

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

  • DownloadMC-10254003-0001.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 18, 2024•Document ID: 10252460

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

  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↗
• March 15, 2024•Document ID: 10252459

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

  Mfr Comm. #:

  15-301-22R

  Date Added:

  April 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces reprograming files for the optimization of Gen 4 Denso CP1 audio and navigation head units.

  Associated Products (2)

  2023 Subaru WRX2022 Subaru WRX
  Associated Documents

  • DownloadMC-10252459-0001.pdf↗
• January 2, 2024•Document ID: 10249591

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR; ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-246-19R

  Date Added:

  February 2, 2024

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.

  Associated Products (19)

  2024 Subaru Ascent2024 Subaru BRZ2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2023 Subaru BRZ2023 Subaru Forester2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru BRZ2022 Subaru Forester2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Legacy2021 Subaru Outback
  Associated Documents

  • DownloadMC-10249591-0001.pdf↗
• December 7, 2023•Document ID: 10248191

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  OTA

  Date Added:

  January 3, 2024

  Manufacturer:

  SUBARU

  Summary

  OTA version of RC 2304 Announcement

  Associated Products (8)

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

  • DownloadMC-10248191-0001.pdf↗
• 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 27, 2023•Document ID: 10246118

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

  Mfr Comm. #:

  09-94-22R

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy the DTCs listed.

  Associated Products (1)

  2022 Subaru WRX
  Associated Documents

  • DownloadMC-10246118-0001.pdf↗
• November 20, 2023•Document ID: 10246115

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

  Mfr Comm. #:

  09-95-22R

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy DTCs listed.

  Associated Products (1)

  2022 Subaru WRX
  Associated Documents

  • DownloadMC-10246115-0001.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 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↗
• 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↗
• 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↗