Subaru Ascent Service Bulletins (2023)

280 manufacturer communications on file.

• November 8, 2023•Document ID: 10246084

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-144-23

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces the availability new service procedure developed for the diagnosis of the following DTCs detected by the Transmission Control Module (TCM):

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10246084-0001.pdf↗
• November 7, 2023•Document ID: 10246080

  Service Bulletin/Repair Instructions
  PARKING BRAKE

  Mfr Comm. #:

  WRN-23

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  Safety Recall – Propeller Shaft Center Brace Mounting Surfaces.

  Associated Products (4)

  2023 Subaru Ascent2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10246080-0001.pdf↗
• November 6, 2023•Document ID: 10246079

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  SubaruNet Announ

  Date Added:

  December 5, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023 model year Outback, Legacy, Ascent and Impreza vehicles. Please be advised that the parts for this recall are now available.

  Associated Products (4)

  2023 Subaru Ascent2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10246079-0001.pdf↗
• October 26, 2023•Document ID: 10244903

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

  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: 10244909

  Service Bulletin/Repair Instructions
  SEATS; ELECTRICAL SYSTEM

  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
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; 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 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 22, 2023•Document ID: 10243397

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  SubaruNet Announ

  Date Added:

  October 3, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023 model year Outback, Legacy, Ascent and Impreza vehicles.

  Associated Products (4)

  2023 Subaru Ascent2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10243397-0001.pdf↗
• September 5, 2023•Document ID: 10243364

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-305-22R

  Date Added:

  October 2, 2023

  Manufacturer:

  SUBARU

  Summary

  The following information 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 (3)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10243364-0001.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↗
• August 10, 2023•Document ID: 10241818

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

  Mfr Comm. #:

  07-213-22R

  Date Added:

  September 5, 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-10241818-0001.pdf↗
• August 1, 2023•Document ID: 10241801

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

  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 (25)

  2023 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 Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek+ 5 more
  Associated Documents

  • DownloadMC-10241801-0001.pdf↗
• July 31, 2023•Document ID: 10240123

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

  Mfr Comm. #:

  15-304-22R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (15)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek2021 Subaru Outback2021 Subaru WRX
  Associated Documents

  • DownloadMC-10240123-0001.pdf↗
• July 18, 2023•Document ID: 10240114

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

  Mfr Comm. #:

  09-107-23

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

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

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10240114-0001.pdf↗
• July 13, 2023•Document ID: 10240113

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM; 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 (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-10240113-0001.pdf↗
• July 11, 2023•Document ID: 10240116

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; POWER TRAIN

  Mfr Comm. #:

  16-141-23R

  Date Added:

  August 2, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM). The new files were designed to address cases of DTC P0711 (Transmission Fluid Temperature Sensor “A” Circuit Range/Performance) being detected by the TCM during low ambient temperatures (32° F(0° C)).

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10240116-0001.pdf↗
• July 11, 2023•Document ID: 10240108

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  09-106-23

  Date Added:

  August 2, 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 (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10240108-0001.pdf↗
• June 29, 2023•Document ID: 10238466

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  WRH-23R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) is initiating a new safety recall and stop sale for certain 2023 model year Ascent vehicles equipped with 20-inch wheels.

  Associated Products (1)

  2023 Subaru Ascent
  Associated Documents

  • DownloadMC-10238466-0001.pdf↗
• June 28, 2023•Document ID: 10238456

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  16-132-20R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions used in the models listed.

  Associated Products (18)

  2023 Subaru Ascent2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2022 Subaru Ascent2022 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-10238456-0001.pdf↗