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Service bulletins for the 2017 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.

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

By type

By component

By trouble code

Bulletins, newest first
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.
15-195-16R2021-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM) along with a new claim submission requirement.
18-213-212021-09-03. Service bulletin. EQUIPMENT. This bulletin provides a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
12-203-16R2021-09-03. Service bulletin. SEAT BELTS; SEATS. This bulletin provides a procedure to address customer concerns of a squeaking sound originating from where the front seat belt buckle assembly attaches to the seat frame.
15-208-17R2021-08-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
12-253-18R2021-08-04. Service bulletin. SEATS. This bulletin provides a procedure to help identify the source of a squeaking, creaking or popping -type sound heard coming from the driver’s seat.
15-280-21R2021-07-03. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
15-177-14R2021-07-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information to help diagnose and address different conditions relating to customer concerns which may arise when operating the new-generation “Gen 2” and “Gen 2.1” F10 Navigation and Display Audio systems.
16-131-20R2021-07-03. Service bulletin. POWER TRAIN. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
01-167-08R2021-07-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
09-51-08R2021-07-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
15-208-17R2021-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7” Navigation and 7” Display Audio head units.
02-187-212021-07-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin outlines changes in the service procedure for engine oil pressure inspection.
15-208-17R2021-06-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
18-206-212021-06-02. Service bulletin. EQUIPMENT. Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
16-104-17R2021-05-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin provides a diagnostic procedure along with Transmission Control Module (TCM) reprogramming files to address isolated customer concerns of a ?bump? feeling from the CVT. The bump feeling has been reported to occur after the CVT is fully up to operating temperature, in Drive and with the engine at idle.
04-15-172021-05-10. Service bulletin. STEERING. This bulletin announces a new steering column assembly designed to address a limited number of customer concerns involving the tilt mechanism portion not staying locked. This condition can only occur during the process of adjusting the steering column?s tilt position if the tilt lever is not pushed up all the way back up when completed. Once the column is fully locked (the tilt lever is pushed all the way up), there is no concern of possible release.
05-85-21R2021-05-05. Service bulletin. ELECTRICAL SYSTEM; WHEELS. This bulletin announces a design change made to the TPMS valve assemblies.
15-280-21R2021-05-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Vehicles equipped with manual transmission and push-button start will follow DCM replacement procedure as outlined in TSB 15-279-21: Gen1 Telematics DCM Replacement for 3G Sunset which is applicable to manual transmission vehicles with push-button start ONLY.
15-280-21R2021-04-02. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
11-200-20R2021-03-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
05-84-212021-03-04. Service bulletin. EQUIPMENT. This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
11-201-212021-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.

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