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Service bulletins for the 2023 Subaru WRX

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.

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

By type

By component

By trouble code

Bulletins, newest first
15-251-19R2024-09-04. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
Subarunet Announcement2024-08-05. Other. POWER TRAIN. This annoucement provides parts personnel information about remanufactured transmissions that will no longer be available.
09-74-21R2024-08-05. Service bulletin. ENGINE; FUEL/PROPULSION 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).
Subarunet Announcement2024-08-05. Other. ELECTRICAL SYSTEM. This announcement provides information for retailers to install the latest infotainment system software for Denso CP 1.5.
15-308-23R2024-08-05. Service bulletin. ELECTRICAL 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.
Subarunet Announcement2024-08-05. Other. AIR BAGS; ELECTRICAL SYSTEM. This announcement provides information on Takata Recall Escalated Towing Program.
Thermo Control Valve Vide2024-08-05. Other. ENGINE. This thermo control valve video contains information on the replacement of thermo control valve.
13-107-242024-08-05. Service bulletin. UNKNOWN OR OTHER. This Bulletin provides SOA paint codes to help eliminate possible confusion for 2025 MY vehicles.
01-167-08R2024-08-05. Service bulletin. UNKNOWN OR OTHER. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
05-91-242024-08-05. Service bulletin. SUSPENSION. This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.
09-124-242024-08-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM).
SubaruNet Announcement2024-07-01. Other. ELECTRICAL 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.
15-246-19R2024-07-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
06-90-242024-07-01. Service bulletin. SERVICE BRAKES. 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.
15-319-242024-06-04. Service bulletin. ELECTRICAL 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.
15-270-20R2024-05-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4 Audio and Navigation system utilized in the models listed.
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.
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.
15-301-22R2024-04-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin announces reprograming files for the optimization of Gen 4 Denso CP1 audio and navigation head units.
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.
WRP-232024-01-03. Service bulletin. POWER TRAIN; EQUIPMENT. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023 model year WRX vehicles, certain 2024 model year Crosstrek and Impreza vehicles, and certain 2023-2024 model year Forester vehicles.
SubaruNet Announ2024-01-03. Service bulletin. EQUIPMENT; POWER TRAIN. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023 model year WRX vehicles, certain 2024 model year Crosstrek and Impreza vehicles, and certain 2023-2024 model year Forester vehicles.
OTA2024-01-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. OTA version of RC 2304 Announcement

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