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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
15-254-19R2020-12-05. Service bulletin. EQUIPMENT. Map update for Harman Gen 3.0 Navigation Equipped Head Units.
15-211-17R2020-12-05. Service bulletin. EQUIPMENT; ELECTRICAL 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.
18-203-202020-12-05. 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.
03-85-20R2020-12-05. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin announces the availability of new propeller shaft assemblies.
2163162020-11-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT. This Service Information bulletin provides new inspection and repair procedures for AVCS (Active Valve Control System) -related DTCs on the FA and FB engine equipped models listed above. The applicable Service Manuals will be revised with this new information in the near future.
15-240-19R2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
10-19-202020-11-05. 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.
05-80-202020-11-05. Service bulletin. SUSPENSION; STEERING; EQUIPMENT. This bulletin announces availability of new Front Stabilizer Link assemblies equipped with a new dust boot material having enhanced durability and grease retention characteristics.
07-181-202020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This Service Information Bulletin provides an important step currently missing from the Service Manual diagnostics for DTC B1572 “IMM CIRCUIT EXCEPT ANTENNA CIRCUIT”.
06-77-20R2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). DTCs C1531 and/or C1741 may set, the Hill Holder warning lamp and cancellation alarm may activate and/or the VDC warning lamp can illuminate.
18-201-202020-11-05. Service bulletin. EQUIPMENT. The purpose of this bulletin is to provide a desription of current changes to service manuals available via the Subaru Technical Information System (STIS) web site.
Subaru Starlink2020-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Update for STARLINK Multimedia Software and Navigation Maps.
18-200-202020-10-05. Service bulletin. EQUIPMENT. This bulletin provides a description of current changes to Service Manuals.
15-240-19R2020-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimized efficiency.
15-254-19R2020-09-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Map Data Update Procedure for Harman Gen 3.0 Navigation Equipped Head Unts (H/U).
14-22-16R2020-09-04. Service bulletin. EQUIPMENT. Special Service Tools Cross Reference List.
15-266-202020-08-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2 Telematics system equipped Subaru.
15-245-19R2020-08-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.0 Audio and Navigation head units (H/U) utilized in the models listed.
15-240-19R2020-08-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; 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.
07-162-19R2020-06-02. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT:ELECTRICAL. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) opertation of the automatic door lock (auto-lock/unlock) feature.
01-181-202020-05-04. Service bulletin. EQUIPMENT. All Models (Vehicle Cleaning- COVID-19Best Practices)
15-195-16R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service information bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM). All models with STARLINK Telematics System.
07-162-19R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature.
15-240-19R2020-04-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize effciency while addressing customer concerns.
15-262-202020-04-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin announces the addition of diagnostics for DTC B224C: RADIO ANTENNA FAULTS to the service manuals of the models listed.

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