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Service bulletins for the 2023 Subaru Outback

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

334 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
7-213-22R2024-04-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. "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."
12-321-21R2024-04-03. Service bulletin. EQUIPMENT; 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.
15-257-19R2024-04-03. Service bulletin. EQUIPMENT; 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. "
15-303-22R2024-04-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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.
15-242-19R2024-04-03. Service bulletin. EQUIPMENT. 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.
15-219-18R2024-04-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.
WRQ-23R2024-04-03. Service bulletin. POWER TRAIN. 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.
09-114-23R2024-04-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE 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.
07-225-242024-04-02. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; EQUIPMENT. "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. "
15-315-23R2024-03-04. Service bulletin. ELECTRICAL 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.
15-305-22R2024-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces updated reprogramming files available to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head units.
WRI-22R2024-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
09-99-23R2024-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin addresses rare cases of engine surg or jolting when the operator releases the accelerator from half-throttle.
WRQ-23R2024-02-02. Service bulletin. 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.
15-251-19R2024-02-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
03-91-232024-02-02. Service bulletin. POWER TRAIN; POWER TRAIN:AXLE ASSEMBLY. 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.
09-112-232024-02-02. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). "This bulletin announces availability of new reprograming files for the Engine Control Module (ECM) developed to remedy engine DTCs."
15-246-19R2024-02-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
07-213-22R2024-01-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.
15-305-22R2024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL 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.
15-311-23R2024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL 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.
WRQ-232024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. 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.
16-145-232024-01-03. Service bulletin. POWER TRAIN; EQUIPMENT; 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”).
SubaruNet Announ2024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. Inhibitor Switch Replacement tool will be automatically shipped to each retailer.
09-106-23R2023-12-05. Service bulletin. ENGINE AND ENGINE 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.