Technical Service Bulletins (TSBs) for the 2023 Ascent are official communications between Subaru & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    SUSPENSION

    • TSB #05-90-24R

      Date Announced:
      MAR 11, 2024
      NHTSA ID:
      #10252453

      This bulletin announces changes in design to the front strut assemblies which will address cases of rumbling and/or rattling coming from the undercarriage while going over bumps. Read More »

    • TSB #05-90-24

      Date Announced:
      FEB 05, 2024
      NHTSA ID:
      #10251096

      This bulletin addresses rumbling and or rattling coming from the undercarriage while traveling over bumps. Subaru has made a design change to the front strut assemblies to address this issue. Read More »

    • TSB #WRJ-23R

      Date Announced:
      JUN 02, 2023
      NHTSA ID:
      #10238432

      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. Read More »

    • TSB #SubaruNet Announ

      Date Announced:
      JUN 02, 2023
      NHTSA ID:
      #10238434

      WRJ-23 Front lower arm castle nut torque. Read More »

    • TSB #05-62-18R

      Date Announced:
      MAY 22, 2023
      NHTSA ID:
      #10237291

      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. Read More »

    SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

    SUSPENSION:MULTIPLE AXLE:TORQUE ARM

    • TSB #WRJ-23R

      Date Announced:
      JUN 02, 2023
      NHTSA ID:
      #10238432

      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. Read More »

    PARKING BRAKE

    • TSB #WRN-23

      Date Announced:
      NOV 07, 2023
      NHTSA ID:
      #10246080

      Safety Recall a?? Propeller Shaft Center Brace Mounting Surfaces. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #09-117-24

      Date Announced:
      APR 09, 2024
      NHTSA ID:
      #10253953

      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). Read More »

    • TSB #09-114-23R

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10252460

      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. Read More »

    • TSB #09-114-23

      Date Announced:
      NOV 27, 2023
      NHTSA ID:
      #10246135

      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 a??Ba?? Performance / Stuck Open). Read More »

    • TSB #09-106-23R

      Date Announced:
      NOV 27, 2023
      NHTSA ID:
      #10246138

      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. Read More »

    • TSB #15-282-21R

      Date Announced:
      AUG 31, 2023
      NHTSA ID:
      #10241846

      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. Read More »

    • TSB #09-106-23R

      Date Announced:
      AUG 24, 2023
      NHTSA ID:
      #10241843

      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. Read More »

    • TSB #09-107-23

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240114

      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. Read More »

    • TSB #09-106-23

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240108

      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. Read More »

    • TSB #16-136-22R

      Date Announced:
      JUN 13, 2023
      NHTSA ID:
      #10238440

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

    • TSB #15-300-22R

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238438

      This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »

    • TSB #0214013

      Date Announced:
      APR 25, 2013
      NHTSA ID:
      #10233119

      Oil Filler Cap Gasket Coming Unseated Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:OIL COOLER

    • TSB #Announcements-2

      Date Announced:
      MAR 07, 2014
      NHTSA ID:
      #10232894

      Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #09-114-23R

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10252460

      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. Read More »

    • TSB #09-114-23

      Date Announced:
      NOV 27, 2023
      NHTSA ID:
      #10246135

      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 a??Ba?? Performance / Stuck Open). Read More »

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

    • TSB #09-107-23

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240114

      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. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #09-106-23

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240108

      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. Read More »

    POWER TRAIN

    • TSB #09-117-24

      Date Announced:
      APR 09, 2024
      NHTSA ID:
      #10253953

      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). Read More »

    • TSB #16-144-23

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10246084

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

    • TSB #SubaruNet Announ

      Date Announced:
      NOV 06, 2023
      NHTSA ID:
      #10246079

      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. Read More »

    • TSB #SubaruNet Announ

      Date Announced:
      SEP 22, 2023
      NHTSA ID:
      #10243397

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

    • TSB #16-141-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240116

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

    • TSB #16-132-20R

      Date Announced:
      JUN 28, 2023
      NHTSA ID:
      #10238456

      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 ... Read More »

    • TSB #16-136-22R

      Date Announced:
      JUN 13, 2023
      NHTSA ID:
      #10238440

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

    • TSB #16-141-23

      Date Announced:
      MAY 16, 2023
      NHTSA ID:
      #10237278

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

    • TSB #16-132-20R

      Date Announced:
      APR 27, 2023
      NHTSA ID:
      #10235289

      This 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. Read More »

    • TSB #16-132-20R

      Date Announced:
      JAN 12, 2023
      NHTSA ID:
      #10231299

      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 ... Read More »

    • TSB #16-132-20R

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10226904

      This 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. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #16-141-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240116

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

    • TSB #16-136-22R

      Date Announced:
      JUN 13, 2023
      NHTSA ID:
      #10238440

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #16-136-22R

      Date Announced:
      JUN 13, 2023
      NHTSA ID:
      #10238440

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

    POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT

    • TSB #16-136-22R

      Date Announced:
      JUN 13, 2023
      NHTSA ID:
      #10238440

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

    ELECTRICAL SYSTEM

    • TSB #07-225-24R

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253976

      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. Read More »

    • TSB #15-311-23R

      Date Announced:
      APR 12, 2024
      NHTSA ID:
      #10253962

      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. Read More »

    • TSB #09-117-24

      Date Announced:
      APR 09, 2024
      NHTSA ID:
      #10253953

      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). Read More »

    • TSB #7-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252547

      "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. Read More »

    • TSB #7-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252549

      "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. Read More »

    • TSB #07-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252553

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-303-22R

      Date Announced:
      MAR 25, 2024
      NHTSA ID:
      #10252494

      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. Read More »

    • TSB #15-219-18R

      Date Announced:
      MAR 19, 2024
      NHTSA ID:
      #10252491

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

    • TSB #07-225-24

      Date Announced:
      MAR 13, 2024
      NHTSA ID:
      #10252456

      "This bulletin announces the availability of new reprogramming files developed to address the following three symptoms: EyeSight camera cooling fans becomes inoperable with DTC B28C7; EyeSight system enters temporary halt mode; Internal ... Read More »

    • TSB #18-225-22R

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10252454

      This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable. Read More »

    • TSB #15-315-23R

      Date Announced:
      FEB 27, 2024
      NHTSA ID:
      #10251106

      This bulletin announces the availability of new reprogramming files for the Data Communications Module (DCM). Read More »

    • TSB #15-305-22R

      Date Announced:
      FEB 26, 2024
      NHTSA ID:
      #10251104

      This bulletin announces updated reprogramming files available to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units. Read More »

    • TSB #15-251-19R

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249606

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

    • TSB #18-233-23

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249592

      This Service Information Bulletin announces additional information regarding the 360 Surround Multiview Monitor on Ascent models. Read More »

    • TSB #07-213-22R

      Date Announced:
      DEC 21, 2023
      NHTSA ID:
      #10248209

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-305-22R

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248204

      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. Read More »

    • TSB #15-311-23R

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248202

      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. Read More »

    • TSB #15-315-23

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10246129

      This bulletin announces the availability of new reprogramming files for the DCM. Read More »

    • TSB #12-251-23

      Date Announced:
      NOV 09, 2023
      NHTSA ID:
      #10246093

      This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems. Read More »

    • TSB #16-144-23

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10246084

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

    • TSB #15-266-20R

      Date Announced:
      OCT 26, 2023
      NHTSA ID:
      #10244903

      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. Read More »

    • TSB #12-252-23R

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10244909

      This bulletin announces the availability of new seat ventilation blower units. Read More »

    • TSB #18-224-22R

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10244908

      This Service Information Bulletin is to inform you of the diagnosis procedure of the CP1/ CP1.5 Infotainment System when DTC B2256 is detected. Read More »

    • TSB #07-213-22R

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10244895

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-305-22R

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243364

      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. Read More »

    • TSB #15-282-21R

      Date Announced:
      AUG 31, 2023
      NHTSA ID:
      #10241846

      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. Read More »

    • TSB #07-213-22R

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10241818

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #15-304-22R

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240123

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

    • TSB #09-107-23

      Date Announced:
      JUL 18, 2023
      NHTSA ID:
      #10240114

      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. Read More »

    • TSB #15-285-21R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240113

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #16-141-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240116

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

    • TSB #16-132-20R

      Date Announced:
      JUN 28, 2023
      NHTSA ID:
      #10238456

      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 ... Read More »

    • TSB #15-311-23

      Date Announced:
      JUN 23, 2023
      NHTSA ID:
      #10238458

      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. Read More »

    • TSB #14-28-21R

      Date Announced:
      JUN 06, 2023
      NHTSA ID:
      #10238452

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

    • TSB #15-300-22R

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238438

      This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »

    • TSB #07-211-23

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238441

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

    • TSB #SubaruNet Announ

      Date Announced:
      MAY 31, 2023
      NHTSA ID:
      #10237302

      To improve our customera??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. Read More »

    • TSB #14-28-21R

      Date Announced:
      MAY 25, 2023
      NHTSA ID:
      #10237298

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

    • TSB #07-213-22R

      Date Announced:
      MAY 16, 2023
      NHTSA ID:
      #10237284

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-302-22R

      Date Announced:
      MAY 11, 2023
      NHTSA ID:
      #10237272

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

    • TSB #15-305-22R

      Date Announced:
      APR 26, 2023
      NHTSA ID:
      #10235314

      Reprogramming File Availability for Optimization of Gen 4.5 Denso CP1.5 Infotainment Systems Read More »

    • TSB #15-302-22R

      Date Announced:
      APR 11, 2023
      NHTSA ID:
      #10235287

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

    • TSB #15-266-20R

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235285

      This Service Information 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. Read More »

    • TSB #15-285-21R

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10233907

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #15-268-20R

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233899

      USB Map Data Update Procedure for Denso Gen 4 Navigation Equipped System. Read More »

    • TSB #15-305-22R

      Date Announced:
      MAR 09, 2023
      NHTSA ID:
      #10233871

      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. Read More »

    • TSB #07-213-22R

      Date Announced:
      MAR 06, 2023
      NHTSA ID:
      #10233867

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-219-18R

      Date Announced:
      FEB 28, 2023
      NHTSA ID:
      #10232237

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

    • TSB #15-242-19R

      Date Announced:
      FEB 28, 2023
      NHTSA ID:
      #10232239

      This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »

    • TSB #15-305-22R

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232231

      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. Read More »

    • TSB #07-213-22R

      Date Announced:
      JAN 24, 2023
      NHTSA ID:
      #10231296

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-302-22R

      Date Announced:
      JAN 09, 2023
      NHTSA ID:
      #10231291

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

    • TSB #15-246-19R

      Date Announced:
      DEC 30, 2022
      NHTSA ID:
      #10228796

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

    • TSB #15-304-22R

      Date Announced:
      DEC 20, 2022
      NHTSA ID:
      #10228788

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

    • TSB #15-302-22R

      Date Announced:
      DEC 09, 2022
      NHTSA ID:
      #10228780

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

    • TSB #07-213-22R

      Date Announced:
      DEC 03, 2022
      NHTSA ID:
      #10228777

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-240-19R

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10226863

      This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressin customer concerns. Read More »

    • TSB #15-251-19R

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225766

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

    • TSB #15-246-19R

      Date Announced:
      OCT 12, 2022
      NHTSA ID:
      #10225762

      This Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs. Read More »

    • TSB #15-302-22R

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222365

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

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #07-213-22R

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10241818

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #07-211-23

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238441

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

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #14-28-21R

      Date Announced:
      JUN 06, 2023
      NHTSA ID:
      #10238452

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

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT

    • TSB #16-141-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240116

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

    STRUCTURE

    • TSB #12-281-20R

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235282

      This bulletin provides a repair procedure to address a small number of customer concerns of the hood panel surface vibrating while driving. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE

    • TSB #12-251-23

      Date Announced:
      NOV 09, 2023
      NHTSA ID:
      #10246093

      This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #12-251-23

      Date Announced:
      NOV 09, 2023
      NHTSA ID:
      #10246093

      This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems. Read More »

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    WHEELS

    • TSB #WRH-23R

      Date Announced:
      FEB 06, 2024
      NHTSA ID:
      #10251099

      Subaru of America, Inc. (Subaru) has initiated a safety recall and stop sale for certain 2023 model year Ascent vehicles equipped with 20-inch wheels. Read More »

    • TSB #WRH-23R

      Date Announced:
      JUN 29, 2023
      NHTSA ID:
      #10238466

      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. Read More »

    • TSB #SubaruNet Announ

      Date Announced:
      APR 28, 2023
      NHTSA ID:
      #10235299

      UPDATE Safety Recall/STOP SALE: WRH-23 Tire Bead Damage. Read More »

    • TSB #WRH-23

      Date Announced:
      APR 07, 2023
      NHTSA ID:
      #10235286

      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. Read More »

    • TSB #SubaruNet Announ

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235276

      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. Read More »

    SEATS

    • TSB #12-252-23R

      Date Announced:
      OCT 25, 2023
      NHTSA ID:
      #10244909

      This bulletin announces the availability of new seat ventilation blower units. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #07-225-24R

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253976

      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. Read More »

    • TSB #07-225-24

      Date Announced:
      MAR 13, 2024
      NHTSA ID:
      #10252456

      "This bulletin announces the availability of new reprogramming files developed to address the following three symptoms: EyeSight camera cooling fans becomes inoperable with DTC B28C7; EyeSight system enters temporary halt mode; Internal ... Read More »

    LANE DEPARTURE

    • TSB #07-225-24R

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253976

      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. Read More »

    • TSB #07-211-23

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238441

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

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #07-211-23

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238441

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

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #18-233-23

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249592

      This Service Information Bulletin announces additional information regarding the 360 Surround Multiview Monitor on Ascent models. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #15-266-20R

      Date Announced:
      OCT 26, 2023
      NHTSA ID:
      #10244903

      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. Read More »

    • TSB #15-300-22R

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238438

      This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »

    EQUIPMENT

    • TSB #07-225-24R

      Date Announced:
      APR 18, 2024
      NHTSA ID:
      #10253976

      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. Read More »

    • TSB #15-311-23R

      Date Announced:
      APR 12, 2024
      NHTSA ID:
      #10253962

      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. Read More »

    • TSB #7-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252547

      "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. Read More »

    • TSB #7-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252549

      "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. Read More »

    • TSB #07-213-22R

      Date Announced:
      MAR 28, 2024
      NHTSA ID:
      #10252553

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-303-22R

      Date Announced:
      MAR 25, 2024
      NHTSA ID:
      #10252494

      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. Read More »

    • TSB #15-219-18R

      Date Announced:
      MAR 19, 2024
      NHTSA ID:
      #10252491

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

    • TSB #15-242-19R

      Date Announced:
      MAR 19, 2024
      NHTSA ID:
      #10252492

      This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »

    • TSB #09-114-23R

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10252460

      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. Read More »

    • TSB #07-225-24

      Date Announced:
      MAR 13, 2024
      NHTSA ID:
      #10252456

      "This bulletin announces the availability of new reprogramming files developed to address the following three symptoms: EyeSight camera cooling fans becomes inoperable with DTC B28C7; EyeSight system enters temporary halt mode; Internal ... Read More »

    • TSB #18-225-22R

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10252454

      This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable. Read More »

    • TSB #15-315-23R

      Date Announced:
      FEB 27, 2024
      NHTSA ID:
      #10251106

      This bulletin announces the availability of new reprogramming files for the Data Communications Module (DCM). Read More »

    • TSB #WRH-23R

      Date Announced:
      FEB 06, 2024
      NHTSA ID:
      #10251099

      Subaru of America, Inc. (Subaru) has initiated a safety recall and stop sale for certain 2023 model year Ascent vehicles equipped with 20-inch wheels. Read More »

    • TSB #15-251-19R

      Date Announced:
      JAN 11, 2024
      NHTSA ID:
      #10249606

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

    • TSB #18-233-23

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10249592

      This Service Information Bulletin announces additional information regarding the 360 Surround Multiview Monitor on Ascent models. Read More »

    • TSB #15-305-22R

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248204

      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. Read More »

    • TSB #15-311-23R

      Date Announced:
      DEC 20, 2023
      NHTSA ID:
      #10248202

      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. Read More »

    • TSB #15-315-23

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10246129

      This bulletin announces the availability of new reprogramming files for the DCM. Read More »

    • TSB #15-266-20R

      Date Announced:
      OCT 26, 2023
      NHTSA ID:
      #10244903

      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. Read More »

    • TSB #18-224-22R

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10244908

      This Service Information Bulletin is to inform you of the diagnosis procedure of the CP1/ CP1.5 Infotainment System when DTC B2256 is detected. Read More »

    • TSB #15-305-22R

      Date Announced:
      SEP 05, 2023
      NHTSA ID:
      #10243364

      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. Read More »

    • TSB #15-282-21R

      Date Announced:
      AUG 31, 2023
      NHTSA ID:
      #10241846

      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. Read More »

    • TSB #07-213-22R

      Date Announced:
      AUG 10, 2023
      NHTSA ID:
      #10241818

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #15-304-22R

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240123

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

    • TSB #15-285-21R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240113

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #09-106-23

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240108

      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. Read More »

    • TSB #14-28-21R

      Date Announced:
      JUN 06, 2023
      NHTSA ID:
      #10238452

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

    • TSB #15-300-22R

      Date Announced:
      JUN 05, 2023
      NHTSA ID:
      #10238438

      This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »

    • TSB #SubaruNet Announ

      Date Announced:
      MAY 31, 2023
      NHTSA ID:
      #10237302

      To improve our customera??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. Read More »

    • TSB #07-213-22R

      Date Announced:
      MAY 16, 2023
      NHTSA ID:
      #10237284

      This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. Read More »

    • TSB #15-302-22R

      Date Announced:
      MAY 11, 2023
      NHTSA ID:
      #10237272

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

    • TSB #15-305-22R

      Date Announced:
      APR 26, 2023
      NHTSA ID:
      #10235314

      Reprogramming File Availability for Optimization of Gen 4.5 Denso CP1.5 Infotainment Systems Read More »

    • TSB #15-302-22R

      Date Announced:
      APR 11, 2023
      NHTSA ID:
      #10235287

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

    • TSB #12-281-20R

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235282

      This bulletin provides a repair procedure to address a small number of customer concerns of the hood panel surface vibrating while driving. Read More »

    • TSB #15-266-20R

      Date Announced:
      APR 05, 2023
      NHTSA ID:
      #10235285

      This Service Information 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. Read More »

    • TSB #15-285-21R

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10233907

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #15-219-18R

      Date Announced:
      FEB 28, 2023
      NHTSA ID:
      #10232237

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

    • TSB #15-242-19R

      Date Announced:
      FEB 28, 2023
      NHTSA ID:
      #10232239

      This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »

    • TSB #15-305-22R

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232231

      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. Read More »

    • TSB #15-246-19R

      Date Announced:
      DEC 30, 2022
      NHTSA ID:
      #10228796

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

    • TSB #15-304-22R

      Date Announced:
      DEC 20, 2022
      NHTSA ID:
      #10228788

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

    • TSB #15-240-19R

      Date Announced:
      NOV 17, 2022
      NHTSA ID:
      #10226863

      This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressin customer concerns. Read More »

    • TSB #15-251-19R

      Date Announced:
      OCT 18, 2022
      NHTSA ID:
      #10225766

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

    • TSB #15-302-22R

      Date Announced:
      SEP 27, 2022
      NHTSA ID:
      #10222365

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

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #15-268-20R

      Date Announced:
      MAR 15, 2023
      NHTSA ID:
      #10233899

      USB Map Data Update Procedure for Denso Gen 4 Navigation Equipped System. Read More »

    • TSB #15-305-22R

      Date Announced:
      MAR 09, 2023
      NHTSA ID:
      #10233871

      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. Read More »

    • TSB #15-305-22R

      Date Announced:
      FEB 24, 2023
      NHTSA ID:
      #10232231

      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. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #18-225-22R

      Date Announced:
      MAR 05, 2024
      NHTSA ID:
      #10252454

      This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable. Read More »

    • TSB #18-224-22R

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10244908

      This Service Information Bulletin is to inform you of the diagnosis procedure of the CP1/ CP1.5 Infotainment System when DTC B2256 is detected. Read More »

    • TSB #15-304-22R

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240123

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

    • TSB #15-285-21R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240113

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #15-311-23

      Date Announced:
      JUN 23, 2023
      NHTSA ID:
      #10238458

      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. Read More »

    • TSB #15-305-22R

      Date Announced:
      APR 26, 2023
      NHTSA ID:
      #10235314

      Reprogramming File Availability for Optimization of Gen 4.5 Denso CP1.5 Infotainment Systems Read More »

    • TSB #15-285-21R

      Date Announced:
      MAR 23, 2023
      NHTSA ID:
      #10233907

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #15-285-21R

      Date Announced:
      JUL 13, 2023
      NHTSA ID:
      #10240113

      This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation. Read More »

    • TSB #15-311-23

      Date Announced:
      JUN 23, 2023
      NHTSA ID:
      #10238458

      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. Read More »