WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

445 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
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.
16-102-16R2021-11-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE.
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.
SubaruNet Announ2021-11-02. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. WRG-21 Fuel Pump Parts Scrapping.
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.
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.
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.
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.
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.
15-221-18R2021-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides helpful information about operating conditions observed in the field for Technicians to use when diagnosing customer concerns which may arise while operating Harman Gen 3 Navigation and Display Audio systems.
15-240-19R2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
16-132-20R2021-03-04. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Service Information 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.
14-22-16R2021-02-18. Service bulletin. EQUIPMENT. To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
12-308-212021-02-01. Service bulletin. EQUIPMENT; SEATS. This bulletin announces a design change made to the front seat hinge bolts.
15-267-20R2021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information related to the telematics system's Automatic Collision Notification (ACN) and Advanced Automatic Collision Notification (AACN) feature operation, diagnostic tips, and best practices.
01-168-09R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information.
16-132-20R2021-01-05. Service bulletin. POWER TRAIN; EQUIPMENT. This Service Information Bulletin provides updated diagnostic procedures to follow when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
15-211-17R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the Harman Gen 3 Audio and Navigation head units.
12-203-16R2021-01-05. Service bulletin. SEAT BELTS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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.
12-203-16R2021-01-05. Service bulletin. SEAT BELTS; SEATS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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.

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