2026 Subaru Forester Technical Service Bulletins

84 technical service bulletins (TSBs) are on record for the 2026 Subaru Forester. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037943Oct 5, 2026Electrical system, Other or unknown. This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
• 11037942Sep 28, 2026Transmission and drivetrain, Electrical system. This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance application.
• 11037940Sep 18, 2026Other or unknown. This bulletin provides paint code information for 2027 model year vehicles.
• 11037938Sep 18, 2026Electrical system. "This Bulletin announces additional troubleshooting steps for the following DTCs: DTC C1956: RH Actuator Circuit DTC C1957: LH Actuator Circuit"
• 11037935Sep 18, 2026Electrical system, Brakes. This bulletin announces an inspection and repair procedure when diagnosing DTCs C1460 Brake Booster Abnormality and C1C01 Reservoir level too low.
• 11037930Sep 15, 2026Other or unknown. This announcement provides an update to all 2027 model year Subaru warranty coverages for wear items and adjustments.
• 11037929Sep 14, 2026Electrical system, Other or unknown. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin.
• 11037927Sep 14, 2026Electrical system. This bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. This is an revised version of the original bulletin.
• 11037926Sep 10, 2026Other or unknown, Electrical system. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area.This is an revised version of the original bulletin.
• 11037923Sep 4, 2026Other or unknown. This announcement provides an update to the WRH-26 certification label recall.
• 11037920Sep 1, 2026Electrical system. "This bulletin announces a design change to the cord assembly that connects the Center Infotainment Display (CID) to the CCU, addressing reports of CID screen flickering."
• 11036824Aug 31, 2026Electrical system, Body and structure. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area. This is an revised version of the original bulletin.
• 11036817Aug 25, 2026Other or unknown. Subaru of America, Inc. (Subaru) has initiated a non-compliance recall for certain 2026 model year Crosstrek Hybrid vehicles, 2025-2026 model year Forester & Forester Hybrid vehicles, and 2019- 2026 Ascent vehicles due to incorrect information listed on the certification label. This is an revised version of the original bulletin.
• 11036805Aug 21, 2026Other or unknown. This Subaru announcement provides an update to the non-compliance recall WRH-26 Certification label.
• 11036804Aug 21, 2026Transmission and drivetrain, Electrical system. This Announcement provides diagnostic assistance for CVT issues.
• 11036814Aug 20, 2026Transmission and drivetrain. This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR580 model CVT transmissions used in the models listed.
• 11036813Aug 20, 2026Electrical system. This bulletin announces a design change to the cord assembly that connects the Center Infotainment Display (CID) to the CCU, addressing reports of CID screen flickering.
• 11036809Aug 20, 2026Transmission and drivetrain. This Service Information Bulletin announces the release of a new diagnostic assistance application for TR690 and TR580 CVT-equipped vehicles. This is an revised version of the original bulletin.
• 11036807Aug 20, 2026Electrical system. This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts.This is an revised version of the original bulletin.
• 11036803Aug 20, 2026Electrical system. This bulletin announces a 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. This is an revised version of the original bulletin.
• 11036796Aug 13, 2026Electrical system. This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)
• 11036794Aug 5, 2026Electrical system. Techtips newsletter locator index.
• 11036789Aug 1, 2026Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin
• 11035661Jul 28, 2026Body and structure, Other or unknown. WRH-26 Certification Label Non-Compliance Recall- Parts and SSLP Process Updates.
• 11035646Jul 24, 2026Other or unknown. This announcement provides WRH-26 recall information for owner contact and a vehicle disclosure form.
• 11035645Jul 24, 2026Other or unknown. This announcement provides WRH-26 recall information for customers.
• 11035644Jul 24, 2026Other or unknown. This announcement provides information on WRH-26 affected CPO and Used Vehicle Inventory.
• 11035649Jul 23, 2026Other or unknown. This bulletin announces the diagnostic procedure to be performed before the service manual.
• 11035648Jul 23, 2026Seats. This Bulletin provides parts ordering and service guidance when replacing passenger seat assemblies and other passenger seat components.
• 11035642Jul 22, 2026Other or unknown. Subaru of America, Inc. (Subaru) has initiated a non-compliance recall for certain 2026 model yearCrosstrek Hybrid vehicles, 2025-2026 model year Forester & Forester Hybrid vehicles, and 2019- 2026 Ascent vehicles due to incorrect information listed on the certification label. (This is an revised version of the original bulletin.)
• 11035641Jul 21, 2026Other or unknown. This announcement provides an update for retailer inventory affected by the WRH-26 non-compliance recall.
• 11035640Jul 17, 2026Other or unknown. This announcement provides information on a temporary process for addressing affected SSLP vehicles under the WRH-26 recall.
• 11035639Jul 17, 2026Other or unknown. This announcement is to inform retailers of the non-compliance recall/stop sale parts update and repair procedure.
• 11035631Jul 15, 2026Electrical system. This bulletin provides instruction for use (FOTA) of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed. (This is an revised version of the original bulletin).
• 11035634Jul 13, 2026Fuel system. This bulletin announces a design change to the filler cap thread shape to improve ease of installation of the fuel cap onto the filler neck.
• 11035633Jul 13, 2026Body and structure, Electrical system. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2026 model year Forester vehicles equipped with a power moonroof assembly. (This is an revised version of the original bulletin).
• 11035630Jul 13, 2026Body and structure. This announcement is to inform retailers of the non-compliance recall/stop sale.
• 11035629Jul 10, 2026Body and structure, Electrical system. This is an update to the safety recall and stop sale: WRF-26 Forester Power Moonroof Glass Adhesion.
• 11034269Jun 30, 2026Engine. 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). (This is an revised version of the original bulletin.)
• 11034264Jun 26, 2026Engine, Fuel system. 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). (This is an revised version of the original bulletin.)
• 11034249Jun 12, 2026Other or unknown. This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.
• 11034247Jun 11, 2026Forward collision avoidance, Electrical system. This Service Information Bulletin was developed to provide removal and installation tips to be followed when working with EyeSight Stereo Cameras.
• 11034246Jun 11, 2026Engine. This bulletin announces the elimination of oil spacers from both left- and right side camshaft carriers on FB2.5 engines.
• 11034236Jun 4, 2026Body and structure. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2026 model year Forester vehicles equipped with a power moonroof assembly. (This is an revised version of the orignal bulletin.)
• 11034238Jun 1, 2026Electrical system. This bulletin provides information on how to identify which high voltage battery repairs can be performed at the retailer level.
• 11033080May 29, 2026Electrical system, Body and structure. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2026 model year Forester vehicles equipped with a power moonroof assembly.
• 11033076May 28, 2026Body and structure. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2026 model year Forester vehicles equipped with a power moonroof assembly.
• 11033069May 18, 2026Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11033056May 4, 2026Transmission and drivetrain. This announcement provides information on the remanufactured CVT transmission program.
• 11033051May 1, 2026Engine. This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).

← All problems reported for the 2026 Subaru Forester