Subaru Ascent Service Bulletins (2023)

267 manufacturer communications on file.

• July 31, 2023•Document ID: 10240123

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

  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
  ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  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; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

  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
  ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; 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
  EQUIPMENT; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

  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↗
• June 23, 2023•Document ID: 10238458

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

  Mfr Comm. #:

  15-311-23

  Date Added:

  July 3, 2023

  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 (3)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10238458-0001.pdf↗
• June 13, 2023•Document ID: 10238440

  Service Bulletin/Repair Instructions
  POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-136-22R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.

  Associated Products (24)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek2021 Subaru Forester+ 4 more
  Associated Documents

  • DownloadMC-10238440-0001.pdf↗
• June 6, 2023•Document ID: 10238452

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

  Mfr Comm. #:

  14-28-21R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the new control module software reprogramming procedures.

  Associated Products (6)

  2024 Subaru Crosstrek2024 Subaru Impreza2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru BRZ
  Associated Documents

  • DownloadMC-10238452-0001.pdf↗
• June 5, 2023•Document ID: 10238441

  Service Bulletin/Repair Instructions
  LANE DEPARTURE; LANE DEPARTURE: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-211-23

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This Bulletin provides the printable target chart needed to perform the wide angle mono camera adjustment procedure for the EyeSight system.

  Associated Products (5)

  2024 Subaru Crosstrek2024 Subaru Impreza2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10238441-0001.pdf↗
• June 5, 2023•Document ID: 10238438

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

  Mfr Comm. #:

  15-300-22R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models.

  Associated Products (24)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru WRX2022 Subaru Ascent2022 Subaru BRZ2022 Subaru Crosstrek2022 Subaru Forester2022 Subaru Impreza2022 Subaru Legacy2022 Subaru Outback2022 Subaru WRX2021 Subaru Ascent2021 Subaru BRZ2021 Subaru Crosstrek2021 Subaru Forester+ 4 more
  Associated Documents

  • DownloadMC-10238438-0001.pdf↗
• June 2, 2023•Document ID: 10238434

  Service Bulletin/Repair Instructions
  SUSPENSION; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

  Mfr Comm. #:

  SubaruNet Announ

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  WRJ-23 Front lower arm castle nut torque.

  Associated Products (1)

  2023 Subaru Ascent
  Associated Documents

  • DownloadMC-10238434-0001.pdf↗
• June 2, 2023•Document ID: 10238432

  Service Bulletin/Repair Instructions
  SUSPENSION:MULTIPLE AXLE:TORQUE ARM; SUSPENSION

  Mfr Comm. #:

  WRJ-23R

  Date Added:

  July 3, 2023

  Manufacturer:

  SUBARU

  Summary

  Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023 model year Ascent vehicles that may be equipped with a front lower control arm with a loose castle nut.

  Associated Products (1)

  2023 Subaru Ascent
  Associated Documents

  • DownloadMC-10238432-0001.pdf↗
• May 31, 2023•Document ID: 10237302

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  SubaruNet Announ

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  To improve our customer’s experience with software updates, bug fixes and performance enhancements, we are launching our first Head Unit FOTA to eligible customers who are subscribed to STARLINK Safety Plus.

  Associated Products (3)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback
  Associated Documents

  • DownloadMC-10237302-0001.pdf↗
• May 25, 2023•Document ID: 10237298

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  14-28-21R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This Service Information Bulletin announces the new control module software reprogramming procedures for 2022MY and later BRZ models.

  Associated Products (4)

  2023 Subaru Ascent2023 Subaru Legacy2023 Subaru Outback2022 Subaru BRZ
  Associated Documents

  • DownloadMC-10237298-0001.pdf↗
• May 22, 2023•Document ID: 10237291

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  05-62-18R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin provides a procedure to address customer concerns of surface rust accumulating in the top center retaining nut area of the front strut mounts.

  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-10237291-0001.pdf↗
• May 16, 2023•Document ID: 10237284

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  07-213-22R

  Date Added:

  June 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-10237284-0001.pdf↗
• May 16, 2023•Document ID: 10237278

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-141-23

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM).

  Associated Products (3)

  2023 Subaru Ascent2022 Subaru Ascent2021 Subaru Ascent
  Associated Documents

  • DownloadMC-10237278-0001.pdf↗
• May 11, 2023•Document ID: 10237272

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  15-302-22R

  Date Added:

  June 5, 2023

  Manufacturer:

  SUBARU

  Summary

  This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

  Associated Products (9)

  2023 Subaru Ascent2023 Subaru BRZ2023 Subaru Crosstrek2023 Subaru Forester2023 Subaru Impreza2023 Subaru Legacy2023 Subaru Outback2023 Subaru Solterra2023 Subaru WRX
  Associated Documents

  • DownloadMC-10237272-0001.pdf↗