Service bulletins for the 2023 Subaru Legacy
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.
323 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| WRQ-23R | 2024-04-03. 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. |
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| 09-114-23R | 2024-04-02. 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. |
| 07-225-24 | 2024-04-02. 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. " |
| 15-315-23R | 2024-03-04. 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. |
| 15-305-22R | 2024-03-04. 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-22R | 2024-03-04. 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. |
| 09-99-23R | 2024-03-04. 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-23R | 2024-02-02. 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. |
| 15-251-19R | 2024-02-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 09-112-23 | 2024-02-02. 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." |
| 15-246-19R | 2024-02-02. 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. |
| 07-213-22R | 2024-01-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. |
| 15-305-22R | 2024-01-03. 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. |
| 15-311-23R | 2024-01-03. 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-23 | 2024-01-03. 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. |
| 16-145-23 | 2024-01-03. 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 Announ | 2024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. Inhibitor Switch Replacement tool will be automatically shipped to each retailer. |
| 09-106-23R | 2023-12-05. 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. |
| 09-114-23 | 2023-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING. 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 “B” Performance / Stuck Open). |
| 16-145-23 | 2023-12-05. Service bulletin. POWER TRAIN; 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”). |
| 15-315-23 | 2023-12-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces the availability of new reprogramming files for the DCM. |
| 18-232-23 | 2023-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin announces the revised break-in procedure for the A/C compressor. |
| SubaruNet Announ | 2023-12-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; 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. |
| 09-110-23R | 2023-12-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM). |
| WRN-23 | 2023-12-05. Service bulletin. PARKING BRAKE. Safety Recall – Propeller Shaft Center Brace Mounting Surfaces. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.