Subaru WRX Service Bulletins (2016)

429 manufacturer communications on file.

• June 23, 2025•Document ID: 11019942

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  July 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Service Information bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11019942-0001.pdf↗
• May 29, 2025•Document ID: 11018914

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  02-193-24R

  Date Added:

  June 3, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).

  Associated Products (52)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback+ 32 more
  Associated Documents

  • DownloadMC-11018914-0001.pdf↗
• May 19, 2025•Document ID: 11018909

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-168-09R

  Date Added:

  June 3, 2025

  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 (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11018909-0001.pdf↗
• May 13, 2025•Document ID: 11018899

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-105-25R

  Date Added:

  June 3, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak. To improve Fixed Right First-Time (FRFT) and customer satisfaction, SOA is introducing a new procedure and fail code for first-time suspected A/C refrigerant leaks for cases when a Technician is unable to find the source of the leak or believes there was a potential factory under charge of the A/C system refrigerant.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11018899-0001.pdf↗
• April 30, 2025•Document ID: 11017466

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  May 2, 2025

  Manufacturer:

  SUBARU

  Summary

  This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11017466-0001.pdf↗
• April 22, 2025•Document ID: 11017452

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  02-192-24R

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11017452-0001.pdf↗
• April 22, 2025•Document ID: 11017444

  Service Bulletin/Repair Instructions
  SUSPENSION; POWER TRAIN

  Mfr Comm. #:

  03-96-25

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces design changes made to the rear axle hubs. These changes have been implemented to reduce cases water intrusion further leading to harmonic, humming, and grinding type sounds heard from the axle hub while driving.

  Associated Products (35)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru WRX2023 Subaru Ascent2023 Subaru Forester2023 Subaru WRX2022 Subaru Ascent2022 Subaru Forester2022 Subaru WRX2021 Subaru Ascent2021 Subaru Forester2021 Subaru WRX2020 Subaru Ascent2020 Subaru Forester2020 Subaru WRX2019 Subaru Ascent2019 Subaru Forester2019 Subaru WRX+ 15 more
  Associated Documents

  • DownloadMC-11017444-0001.pdf↗
• April 14, 2025•Document ID: 11017438

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  02-193-24R

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).

  Associated Products (52)

  2024 Subaru Ascent2024 Subaru Crosstrek2024 Subaru Forester2024 Subaru Impreza2024 Subaru Legacy2024 Subaru Outback2024 Subaru WRX2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback+ 32 more
  Associated Documents

  • DownloadMC-11017438-0001.pdf↗
• April 8, 2025•Document ID: 11017434

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-131-25

  Date Added:

  May 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the following Diagnostic Trouble Codes (DTCs). The ELCM may accumulate condensation causing the inaccurate detection of P2404. P0420 may become falsely detected due to unstable combustion caused by a downshift. The new reprogramming files contains enhanced software allowing for condensation conditions and downshift rotational speeds be more accurately detected by the Engine Control Module (ECM).

  Associated Products (7)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru WRX2018 Subaru WRX2017 Subaru WRX2016 Subaru WRX2015 Subaru WRX
  Associated Documents

  • DownloadMC-11017434-0001.pdf↗
• March 31, 2025•Document ID: 11016234

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  14-31-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin announces availability of a User Guide and an informative video to supplement the recent releases to retailers of the SOA321152 and SOA321153 Terminal Test Kits.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016234-0001.pdf↗
• March 24, 2025•Document ID: 11016224

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  09-51-08R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016224-0001.pdf↗
• March 18, 2025•Document ID: 11016206

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-304-22R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016206-0001.pdf↗
• March 17, 2025•Document ID: 11016205

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-167-08R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016205-0001.pdf↗
• March 6, 2025•Document ID: 11016172

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-219-18R

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11016172-0001.pdf↗
• March 4, 2025•Document ID: 11016166

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  09-131-25

  Date Added:

  April 1, 2025

  Manufacturer:

  SUBARU

  Summary

  "This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the following Diagnostic Trouble Codes (DTCs). • P2404: EVAP System Leak Detection Pump Sense Circuit Range/Performance. • P0420: Catalyst System Efficiency Below Threshold Bank 1. (not applicable for 15-18 models)"

  Associated Products (7)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru WRX2018 Subaru WRX2017 Subaru WRX2016 Subaru WRX2015 Subaru WRX
  Associated Documents

  • DownloadMC-11016166-0001.pdf↗
• February 18, 2025•Document ID: 11014872

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-103-16R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.

  Associated Products (48)

  2020 Subaru Ascent2019 Subaru Ascent2019 Subaru Crosstrek2019 Subaru Forester2019 Subaru Impreza2019 Subaru Legacy2019 Subaru Outback2019 Subaru WRX2018 Subaru Crosstrek2018 Subaru Forester2018 Subaru Impreza2018 Subaru Legacy2018 Subaru Outback2018 Subaru WRX2017 Subaru Crosstrek2017 Subaru Forester2017 Subaru Impreza2017 Subaru Legacy2017 Subaru Outback2017 Subaru WRX+ 28 more
  Associated Documents

  • DownloadMC-11014872-0001.pdf↗
• February 10, 2025•Document ID: 11014852

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-251-19R

  Date Added:

  March 4, 2025

  Manufacturer:

  SUBARU

  Summary

  "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16."

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11014852-0001.pdf↗
• January 31, 2025•Document ID: 11013530

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Subarunet Announcement

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This announcement is in regard to special service tool shipment will be shipped directly to the Subar retailers during February.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11013530-0001.pdf↗
• January 28, 2025•Document ID: 11013525

  Other
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  RC5 Head Unit OTA

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  A head unit OTA will be available via cellular network for Mid and High Grade CP1.5 head units.

  Associated Products (174)

  2025 Subaru Ascent2025 Subaru Crosstrek2025 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 WRX2024 Subaru XV CrossTrek2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester+ 154 more
  Associated Documents

  • DownloadMC-11013525-0001.pdf↗
• January 17, 2025•Document ID: 11013507

  Other
  EXTERIOR LIGHTING

  Mfr Comm. #:

  Subarunet Announcement (

  Date Added:

  February 4, 2025

  Manufacturer:

  SUBARU

  Summary

  This announcement provides dealers information on an effort to increase the completion rate for the WRE-22 safety recall.

  Associated Products (7)

  2021 Subaru WRX2020 Subaru WRX2019 Subaru WRX2018 Subaru WRX2017 Subaru WRX2016 Subaru WRX2015 Subaru WRX
  Associated Documents

  • DownloadMC-11013507-0001.pdf↗