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
| 06-77-20R | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, ELECTRIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). |
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| 14-22-16R | 2020-09-04. Service bulletin. EQUIPMENT. Special Service Tools Cross Reference List. |
| 15-238-19R | 2020-08-03. Service bulletin. ELECTRICAL SYSTEM. IMPORTANT: This Service Information Bulletin has been removed following Software Version 6 release to the field. Please refer to TSb 15-211-17R for Gen 3.0 and TSB 15-236-18R for Gen 3.1 the update on this condition. |
| 15-266-20 | 2020-08-03. 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. |
| 15-267-20 | 2020-08-03. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. This document discusses some of the conditions that may trigger an Automatic Collision Notification (CAN) (Gen1) or Advanced Automatic Collision Notification (AACN) (Gen2), without a collision, airbag deployment, or accident taking place. |
| 15-219-18R | 2020-08-03. Service bulletin. ELECTRICAL SYSTEM. This Service information bulletin provides Telematics system/generation applicability. |
| 15-195-16R | 2020-08-03. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin provides IMPORTANT information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DMC). |
| 15-245-19R | 2020-08-03. 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. |
| 15-240-19R | 2020-08-03. 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. |
| WUA-86R | 2020-06-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. In the interest of customer satisfation, Subaru of America, Inc. (Subaru) is initiating a service program to update the Harman Kardon head unit on certain vehicles with the latest version of software. |
| 07-162-19R | 2020-06-02. 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. |
| 11-200-20R | 2020-06-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM) for hard starting in sub-freezing temperatures, DTC P0400, and surging in high altitudes. |
| 01-181-20 | 2020-05-04. Service bulletin. EQUIPMENT. All Models (Vehicle Cleaning- COVID-19Best Practices) |
| 11-200-20R | 2020-05-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM). |
| 15-263-20 | 2020-05-04. Service bulletin. ELECTRICAL SYSTEM. In the intrest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty for the listed models and model years equipped with a Harman Gen. 3.0 Audio and Navigation head unit. |
| 15-195-16R | 2020-05-04. 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. |
| 07-162-19R | 2020-05-04. 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. |
| 15-240-19R | 2020-04-03. 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. |
| 15-262-20 | 2020-04-03. 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. |
| 07-174-20 | 2020-04-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides details of a correction to the diagnostic procedure for DTC B2350- REAR RADAR COMMUNICATION ERROR on the models listed. |
| 07-173-20 | 2020-04-02. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. This Service Information Bulletin provides insight on how to address a customer concern of the rear hatch, Power Rear Gate (PRG) or trunk release operating (or finding the PRG/trunk open unexpectedly after parking) without a specific input (button press) from the operator. |
| 17-17-13R | 2020-04-02. Service bulletin. AIR BAGS; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system. |
| 07-171-20 | 2020-04-02. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin is in response to several battery sensor replacements resulting from improper removal and/or installation practices. |
| 18-198-20 | 2020-04-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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. |
| 07-162-19R | 2020-03-03. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.