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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

Bulletins, newest first
12-203-16R2022-06-03. Service bulletin. SEAT BELTS. 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.
WRG-21R2022-06-03. Service bulletin. FUEL SYSTEM, GASOLINE. 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.
15-296-222022-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin addresses the rare cases of activation of touch screen buttons without touch. (11.6" Display Screen Only)
15-273-202022-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin addresses isolated customer concerns regarding the pictured CP1 BASEModel Center Information Display (CID) LOWER 7-inchdisplay screen flashing, not responding to touch inputs and / or shutting off intermittently.
15-295-222022-06-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin addresses the rare cases of activation of touch screen buttons without touch. (Dual 7" Display Screen Only)
18-218-222022-06-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces the Service Manual correction for the diagnostic trouble tree for DTC B281C.
15-261-20R2022-06-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
15-261-20R2022-05-03. 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 Denso CP1 Audio and Navigation head units.
15-261-20R2022-05-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
09-86-222022-05-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
16-136-22R2022-05-03. Service bulletin. POWER TRAIN; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
18-223-222022-05-03. Service bulletin. EQUIPMENT. The purpose of this bulletin is to provide a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
02-190-222022-04-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the proper diagnostic procedures regarding oil leakage from the oil level switch area.
15-246-19R2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-2022 Subaru vehicles.
18-217-22R2022-04-05. Service bulletin. EQUIPMENT. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.
15-192-22R2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment).
16-136-22R2022-04-05. Service bulletin. POWER TRAIN. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
15-240-19R2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
07-204-222022-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces tentative Subaru Select Monitor procedure information to follow when replacing and/or diagnosing combination meters.
01-175-162022-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides helpful tips to better utilize the Subaru Select Monitor 4.
16-132-20R2022-03-04. Service bulletin. POWER TRAIN. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
06-83-222022-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This bulletin announces availability of reprogramming files to optimize the Vehicle Dynamic Control Control Module (VDCCM).
09-80-212022-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This bulletin announces availability of a new thermo control valve assembly.
Subarunet Announ2022-03-04. Service bulletin. POWER TRAIN. WRK-21 CVT Chain Guide Breakage Recall - Customer communications and rental.
Subarunet Announ2022-03-04. Service bulletin. POWER TRAIN. Subaru Safety & Emissions Recall: WRK-21 – CVT Chain Guide Breakage

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