2024 Subaru Legacy Technical Service Bulletins

237 technical service bulletins (TSBs) are on record for the 2024 Subaru Legacy. 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.

• 11013519Jan 18, 2025Electrical system. 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.
• 11012268Dec 30, 2024Engine, Electrical system. This Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the models listed.
• 11012266Dec 19, 2024Fuel system. This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1).
• 11012265Dec 19, 2024Engine, 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).
• 11012260Dec 13, 2024Exterior lighting, Electrical system. This bulletin is for information purposes only.The bulletin adresses design changes of the headlamps and rear combination lamps, where moisture and or condensation may develop on the inside of the lamp lenses.
• 11012257Dec 4, 2024Transmission and drivetrain. This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR690 model CVT transmissions used in the models listed.
• 11012253Dec 3, 2024Engine, Electrical system. "This bulletin announces availability of new reprogramming files developed to address the two symptoms described below: SYMPTOM 1: A jerk or judder sensation felt from the powertrain during braking with the air conditioning on. SYPMTOM 2: A shudder is felt from the powertrain along with a screeching type of sound. NOTE: Both of these symptoms are not related with a fault code.
• 11010932Nov 22, 2024Electrical system, Transmission and drivetrain. "This bulletin announces availability of new reprogramming files developed to address the two symptoms described below: SYMPTOM 1: A jerk or judder sensation felt from the powertrain during braking with the air conditioning on. SYPMTOM 2: A shudder is felt from the powertrain along with a screeching type of sound. NOTE: Both of these symptoms are not related with a fault code."
• 11010925Nov 14, 2024Electrical system. This annocement is to inform dealers to the Gen 3.1 Head Unit OTA will be available via Wi-Fi. The update will take place in multiple batches with the first beginneing November 15th and the last being Decemeber 3rd. This update is for approximatelt 714,000 VINs.
• 11010911Nov 7, 2024Electrical system. 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.
• 11010910Nov 7, 2024Transmission and drivetrain. This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR690 model CVT transmissions used in the models listed.
• 11010908Nov 7, 2024Electrical system. 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.
• 11009701Oct 31, 2024Other or unknown. This bulletin details an important regulation issued by the National Highway Traffic Safety Administration (NHTSA) which impacts the way some vehicles with accessories are sold. This regulation applies to any automobile retailer installing accessories on a vehicle prior to its first sale.
• 11009700Oct 31, 2024Forward collision avoidance, Lane departure. "This bulletin announces the availability of new reprogramming files developed to address the following three symptoms. SYMPTOM #1: After the EyeSight camera has been exposed to high humidity/temperature conditions without any operation, the cooling fans become inoperable and DTC B28C7 (Fan Motor RPM) is detected by the EyeSight Stereo Camera Assembly. SYMPTOM #2: The EyeSight system enters into a temporary halt…
• 11009699Oct 31, 2024Engine, Transmission and drivetrain, Electrical system. This bulletin announces availability of new reprogramming files developed to address symptoms which a jerk or judder sensation can be felt from the powertrain during braking with air conditioning on, or a shudder felt from the powertrain along with a screeching type of sound.
• 11009694Oct 22, 2024Electrical system, Transmission and drivetrain. This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR690 model CVT transmissions used in the models listed.
• 11009689Oct 2, 2024Electrical system. This bulletin 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.
• 11009685Oct 1, 2024Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11008283Sep 27, 2024Electrical system. This Service Information Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINK® Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer.
• 11008282Sep 27, 2024Electrical system, Engine. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11008281Sep 26, 2024Engine. This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
• 11008280Sep 26, 2024Electrical system. This Service Information bulletin is being released as guidance for proper testing and charging of vehicle batteries.
• 11008279Sep 26, 2024Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 11008277Sep 26, 2024Transmission and drivetrain, Engine, Electrical system. This bulletin announces availability of new reprogramming files developed to address the two symptoms, a jerk or judder sensation felt from the powertrain during braking with the air conditioning on, or a shudder is felt from the powertrain along with a screeching type of sound.
• 11008276Sep 26, 2024Electrical system. The CP1.5 RCs OTA is available for all mid and high grade CP1.5 head units.
• 11008267Sep 17, 2024Engine. This bulletin announces availability of the NEW genuine Subaru engine oil filter.
• 11008265Sep 13, 2024Engine, Electrical system, Transmission and drivetrain. This bulletin announces availability of new reprogramming files developed to address of a a jerk or judder sensation felt from the powertrain during braking with air conditioning on, or a shudder felt from the powertrain along with a screeching type of sound.
• 11008264Sep 11, 2024Electrical system, Transmission and drivetrain. This bulletin announces availability of new reprogramming files for the Transmission Control Module (TCM) developed to address cases of DTC P2797 (Electrical/Auxiliary Transmission Fluid Pump “A” Performance/Stuck Off”).
• 11008259Sep 4, 2024Suspension. This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to reduce unnecessary bushing replacement.
• 11008258Sep 3, 2024Engine, Electrical system. This bulletin announces the availability of new oxygen sensors developed to address Diagnostic Trouble Codes (DTCs) detected by the Engine Control Module.
• 11006941Aug 28, 2024Electrical system, Transmission and drivetrain. This bulletin announces availability of new reprogramming files for the Transmission Control Module (TCM) developed to address cases of DTC P2797 (Electrical/Auxiliary Transmission Fluid Pump “A” Performance/Stuck Off”).
• 11006940Aug 27, 2024Engine, Fuel system. This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1).
• 11006932Aug 15, 2024Electrical system. This Service Information Bulletin announces important diagnostic information to utilize when the Data Communication Module (DCM) is being tested as a dark current/standby current source.
• 11006935Aug 5, 2024Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure for 2025MY vehicles.
• 11006934Aug 5, 2024Electrical system, Engine. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 11006931Aug 5, 2024Electrical system. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
• 11005624Jul 24, 2024Transmission and drivetrain. This annoucement provides parts personnel information about remanufactured transmissions that will no longer be available.
• 11005620Jul 18, 2024Electrical system. This bulletin 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.
• 11005617Jul 18, 2024Fuel system, Engine. 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).
• 11005615Jul 18, 2024Electrical system. This announcement provides information for retailers to install the latest infotainment system software for Denso CP 1.5.
• 11005614Jul 17, 2024Electrical system. This bulletin announces important diagnostic information to utilize when testing the Data Communication Module (DCM) as a dark current/standby current source. All models equipped with Telematics except Solterra.
• 11005609Jul 15, 2024Electrical system, Air bags. This announcement provides information on Takata Recall Escalated Towing Program.
• 11005608Jul 11, 2024Engine. This thermo control valve video contains information on the replacement of thermo control valve.
• 11005599Jul 9, 2024Other or unknown. This Bulletin provides SOA paint codes to help eliminate possible confusion for 2025 MY vehicles.
• 11005597Jul 8, 2024Electrical system. "This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified."
• 11005595Jul 8, 2024Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11005594Jul 8, 2024Engine, Electrical system. This bulletin announces the availability of new reprogramming files for the Engine Control Module (ECM), to address concerns of the starter motor not operating.
• 11005593Jul 8, 2024Suspension. This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.
• 11002728Jul 1, 2024Electrical system, Engine. This Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
• 11002730Jun 28, 2024Electrical system. This information announces reprograming file availability for Gen 4.5 Denso CP1.5 Audio and Navigation systems. Inprovement for CarPlay concerns with hands-free calls when the receiving party is not able to hear the caller.

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