WenmarOpen by Wenmar Pro

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
12-203-16R2021-01-05. 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.
15-246-19R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback.
15-219-18R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information related to error code(s) 202 and/or 204 generated during the Gen 2 telematics subscription process.
WRH-20R2021-01-05. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update.
WRI-20R2021-01-05. Service bulletin. ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
15-261-20R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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 utilized in the models listed.
Subarunet Announ2021-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update.
Subarunet Announ2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
Subarunet Announ2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update.
15-259-20R2021-01-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. This bulletin provides helpful tips to use when diagnosing customer concerns which may arise when operating the new-generation Denso CP1 Multimedia Navigation (AVN) & Display Audio (DA) systems.
16-131-202020-12-05. Service bulletin. POWER TRAIN. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
15-273-202020-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin addresses isolated customer concerns regarding the CP1 Base Model Center Information Display (CID) lower 7-inch display screen flashing, not responding to touch inputs, and / or shutting off intermittently.
15-261-20R2020-12-05. Service bulletin. ELECTRICAL SYSTEM. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the Gen 4 Denso CP1 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.
15-275-202020-12-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Service Information Bulletin provides a testing procedure for the microphone used in Denso CP1 infotainment systems.
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.
06-81-202020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This bulletin announces availability of reprogramming files to optimize the operation of the VDC Control Module (VDCCM).
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.
07-183-202020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin provides corrected and updated procedures to follow when replacing the combination meter assembly.
02-185-202020-11-05. Service bulletin. ENGINE AND ENGINE COOLING. This Service Information Bulletin announces availability of a new B2 (LH) INTAKE Camshaft.
12-302-202020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SEATS; EQUIPMENT. This bulletin announces a design change made to the front seat backrest frame assemblies in response to a limited number of customer reports of a squeaking sound heard when leaning back in the front seats.
05-78-202020-11-05. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This Service Information Bulletin announces additional diagnostic procedures for TPMS related DTC C2921 on the applicable models listed.
16-128-20R2020-11-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces availability of a new transmission harness for use when diagnosis of DTC P0842 determines the sensor itself is OK but the transmission wiring harness is NG.
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.

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