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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
02-189-222022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SUMP/TANK:DRAIN PLUG; EQUIPMENT. This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
15-246-19R2022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.
15-249-19R2022-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
15-240-19R2022-01-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
15-257-19R2021-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
15-270-20R2021-11-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4 Audio and Navigation system.
02-188-212021-11-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin announces an additional service procedure for timing chain and / or cam sprocket replacement on FA and FB type engines.
SubaruNet Announ2021-11-02. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. WRG-21 Fuel Pump Parts Scrapping.
09-74-21R2021-10-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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).
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.
15-240-19R2021-10-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
WRG-21R2021-10-04. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative.
15-273-202021-10-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin addresses isolated customer concerns regarding the pictured CP1 BASE Model Center Information Display (CID) LOWER 7-inch display screen flashing, not responding to touch inputs and / or shutting off intermittently.
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.
12-323-212021-09-03. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT. This bulletin announces the service procedure for addressing possible water entry into the interior from the door(s) area.
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.
07-176-20R2021-06-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of DMS reprogramming files to address the following DTCs: B118B, B11E5, B11E6 when they appear in memory all at the same time as a group.
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.
15-240-19R2021-05-04. Service bulletin. EQUIPMENT. This bulletin announces availability of new audio unit amplifier units with revised internal logic designed to optimize efficiency.
12-317-212021-04-02. Service bulletin. EQUIPMENT. This bulletin announces a change to the mat located in the inside tray of the center console box lid to address concerns of shrinking and deformation.
12-314-212021-03-05. Service bulletin. STRUCTURE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin announces availability of new weatherstrips designed to eliminate a squeaking / chirp-type sound heard when closing the front doors.
12-313-212021-03-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE; EQUIPMENT. This bulletin announces changes made to the rear door weatherstrip to optimize their water sealing performance.
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.
15-277-212021-03-04. Service bulletin. EQUIPMENT; EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:120/240 VAC ELECTRICAL SYSTEM:GFCI/AFCI; ELECTRICAL SYSTEM. This bulletin provides the procedure which must be followed to properly register the Map Update Request Code assigned to the exchange CCU with the Subaru Map Update web portal.

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