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Service bulletins for the 2015 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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
SubaruNet Announcement (R2026-06-01. Other. POWER TRAIN. This announcement provides information on the remanufactured CVT transmission program.
03-97-262026-05-04. Service bulletin. POWER TRAIN. This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
Subaru Service Technical2025-09-02. Other. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Subaru Service Technical Support Newsletter special edition.
03-96-252025-05-01. Service bulletin. SUSPENSION; POWER TRAIN. This bulletin announces design changes made to the rear axle hubs. These changes have been implemented to reduce cases water intrusion further leading to harmonic, humming, and grinding type sounds heard from the axle hub while driving.
16-103-16R2025-03-04. Service bulletin. POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.
Subarunet Announcement2024-08-05. Other. POWER TRAIN. This annoucement provides parts personnel information about remanufactured transmissions that will no longer be available.
16-112-18R2024-06-04. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
WRE-22R2024-02-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective back-up lamp switch.
SubaruNet Announ2024-02-02. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective backup lamp switch.
16-112-18R2023-09-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
03-78-172023-06-05. Service bulletin. EQUIPMENT; POWER TRAIN. This bulletin announces a design change to the clutch release bearing.
0374142023-04-24. Service bulletin. POWER TRAIN. Gear Oil Leaking from Rear Differential Cover
0373142023-04-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This bulletin informs of a design change to the reverse idler gear and its internal spring along with a revised assembly procedure. The only purpose for the change was to enhance production efficiency.
07105162023-03-06. Service bulletin. POWER TRAIN. Change to Driver Controlled Center Differential (DCCD) Control Module
16-131-20R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This Service Information Bulletin provides an updated diagnostic flow along with an IMPORTANT caution to follow for certain CVT solenoid related DTCs as listed.
WRE-22R2022-11-03. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective back-up lamp switch.
SubaruNet Announ2022-09-08. Service bulletin. EQUIPMENT; POWER TRAIN. WRE-22 Backup lamp switch failure safety recall
16-112-18R2022-06-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces a design change to the CVT select lever mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
16-112-18R2021-12-03. Service bulletin. POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
16-112-18R2021-11-02. Service bulletin. PARKING BRAKE; POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
Subarunet Announ2021-11-02. Service bulletin. PARKING BRAKE; EQUIPMENT; POWER TRAIN. (Subaru Retailers) As part of Subaru’s dedication to customer satisfaction, Subaru of America, Inc. (SOA) is announcing an extension to the Basic New Car Limited Warranty for the CVT Parking Switch for certain 2015-2018 MY Legacy, Outback, 2012-2018 MY Impreza, 2013-2018 MY Crosstrek, 2015-2018 MY WRX and 2014-2018MY Forester vehicles.
Subarunet Announ2021-11-02. Service bulletin. EQUIPMENT; POWER TRAIN; PARKING BRAKE. (Owner Letter) As part of Subaru of America’s dedication to customer satisfaction, this letter is to inform you of an extension to the Basic New Car Limited Warranty for your vehicle’s CVT Parking Brake Switch.
16-103-16R2021-11-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.
16-131-20R2021-07-03. Service bulletin. POWER TRAIN. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
16-107-17R2021-02-18. Service bulletin. POWER TRAIN. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first).

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