2023 Subaru Outback Technical Service Bulletins

334 technical service bulletins (TSBs) are on record for the 2023 Subaru Outback. 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.

• 11005617Jul 18, 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).
• 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, 2024Electrical system, Engine. 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.
• 11005590Jul 8, 2024Engine, Electrical system. This Service Information Bulletin announces the new control module software reprogramming procedures.
• 11002728Jul 1, 2024Engine, Electrical system. 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.
• 11002729Jun 28, 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.
• 11002725Jun 25, 2024Brakes. This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.
• 11000830May 14, 2024Electrical system, Engine. This bulletin announces the diagnostic procedures to be followed when encountering cases of the Remote Engine Start (RES) system being the only non-functioning feature with telematics.
• 11000828May 14, 2024Engine, Electrical system. This bulletin announces the availability of new oxygen sensors developed to address the following Diagnostic Trouble Codes (DTCs); P0137 (O2 Sensor Circuit Low Voltage Bank 1 Sensor 2, P0138 (O2 Sensor Circuit High Voltage Bank 1 Sensor 2) P0140 (O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2), and P0141 (O2 Sensor Heater Circuit Bank 1 Sensor 2).
• 11000822May 14, 2024Electrical system, Forward collision avoidance. This bulletin announces the availability of new reprogramming files developed to address DTC B28C7 (EyeSight Fan Motor RPM), E5 (halt code deected by EyeSight Stereo Camera), and B28A6 (Internal Stereo Camera Communication 1).
• 11000812May 3, 2024Fuel system, Engine. 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).
• 10253995Apr 24, 2024Equipment, Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating this service program for certain 2023 model year Legacy and Outback vehicles equipped with STARLINK® InVehicle Technology. As a result of 3G network no longer being available, the DCM may not connect to 4G VoLTE for voice calls and the call will fail.
• 10253993Apr 23, 2024Equipment, Transmission and drivetrain. This bulletin announces the design change made to the front drive axle shaft assemblies to address cases of a clicking/cracking-type sound heard when driving with the steering wheel in the fully locked (left or right) position.
• 10253976Apr 18, 2024Equipment, Lane departure, Forward collision avoidance, Electrical system. 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.
• 10253962Apr 12, 2024Electrical system, Equipment. 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.
• 10253953Apr 9, 2024Transmission and drivetrain, Electrical system, Engine cooling. 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).
• 10252553Mar 28, 2024Electrical system, Equipment. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.
• 10252549Mar 28, 2024Equipment, Electrical system. "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."
• 10252539Mar 26, 2024Equipment, Steering. This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.
• 10252494Mar 25, 2024Electrical system, Equipment. 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.
• 10252531Mar 19, 2024Equipment, Electrical system. "This Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations, and can cause DTC B2A15, a red telematics MIL to illuminate, or recurring STARLINK notification to retailers and emails to customers. "
• 10252492Mar 19, 2024Equipment. This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.
• 10252491Mar 19, 2024Electrical system, Equipment. This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.
• 10252490Mar 19, 2024Transmission and drivetrain. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2021 model year Crosstrek vehicles, certain 2022 model year Forester, and certain 2021-2023 model year Legacy and Outback vehicles. This recall may contain an inhibitor switch that was manufactured with an insufficient weld between the switch stator and cover allowing water intrusion.
• 10252460Mar 18, 2024Engine cooling, Equipment. 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.
• 10252456Mar 13, 2024Equipment, Electrical system, Forward collision avoidance. "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 Stereo Camera Communication detected. "
• 10251106Feb 27, 2024Electrical system, Equipment. This bulletin announces the availability of new reprogramming files for the Data Communications Module (DCM). Customers with an active subscription will receive these files via OTA; to provide the best possible experience from the Telematics system.
• 10251104Feb 26, 2024Electrical system. This bulletin announces updated reprogramming files available to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units.
• 10251097Feb 6, 2024Equipment, Electrical system. Do to non-applicable software located within the data communication module (DCM), Subaru of America, Inc. (Subaru) will initiate a service program for certain 2023 model year Legacy and Outback vehicles equipped with STARLINK. Because 3G networks are no longer available in the U.S., calls will fail as they attempt to connect as a result of non-connection to 4G VoLTE.
• 10251094Feb 5, 2024Electrical system, Engine cooling. This bulletin addresses rare cases of engine surg or jolting when the operator releases the accelerator from half-throttle.
• 10249608Jan 31, 2024Equipment. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2021 model year Crosstrek vehicles, certain 2022 model year Forester, and certain 2021-2023 model year Legacy and Outback vehicles.
• 10249606Jan 11, 2024Equipment, Electrical system. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
• 10249602Jan 8, 2024Transmission and drivetrain. This bulletin announces the design change made to the front drive axle shaft assemblies to address cases of a clicking/cracking-type sound heard when driving with the steering wheel in the fully locked (left or right) position.
• 10249595Jan 4, 2024Engine cooling, Equipment. "This bulletin announces availability of new reprograming files for the Engine Control Module (ECM) developed to remedy engine DTCs."
• 10249591Jan 2, 2024Equipment, Electrical system. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
• 10248209Dec 21, 2023Electrical system. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.
• 10248204Dec 20, 2023Electrical system, Equipment. 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.
• 10248202Dec 20, 2023Electrical system, Equipment. 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.
• 10248196Dec 12, 2023Electrical system, Transmission and drivetrain, Equipment. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2021 model year Crosstrek vehicles, certain 2022 model year Forester, and certain 2021-2023 model year Legacy and Outback vehicles.
• 10248187Dec 4, 2023Equipment, Transmission and drivetrain, Electrical system. 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”).
• 10248186Dec 4, 2023Electrical system, Equipment, Transmission and drivetrain. Inhibitor Switch Replacement tool will be automatically shipped to each retailer.
• 10246138Nov 27, 2023Engine cooling. 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.

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