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Service bulletins for the 2015 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.

527 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
11-200-20R2021-03-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
11-201-212021-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.
01-168-09R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information.
15-205-16R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display.
15-208-17R2020-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7 Navigation and 7 Display Audio head units. When the user plays a pre-recorded CD, Gracenote recognizes the disc then shows the artist and track name information along with the album cover art on the head unit display (when available). This enhancement brings the currently installed database up to date with the most recent information available. This update does not affect any album art displayed when using SXM.
WTG67WTH682020-11-16. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Subject: New Service Programs: WTG?67 and WTH?68 ? Relay replacement In the interest of customer satisfaction, Subaru of America, Inc. is initiating two service programs for certain 2015 and 2016 model year Legacy and Outback vehicles, for the repair procedure previously published in TSB number 07?89?15R. Description: Subaru has redesigned several ignition relays in order to provide improved cold weather re?starting performance. Under certain extreme cold weather conditions, after the engine is shut off, ice crystals may form inside the relay which may temporarily prevent the driver from re?starting the vehicle.
WTH-682020-11-16. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This repair procedure was previously published in TSB number 07-89-15R. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is now initiating a service program for certain 2015 and 2016 model year Legacy and Outback vehicles as described in this Service Program bulletin. INTRODUCTION: During ocean transportation of the EGI Main relays, moisture may be absorbed into them from exposure to very high ambient humidity conditions. During normal operation, this moisture is heated by the relay?s electric coils and evaporated while the engine is running however, it may not all be eliminated. If the vehicle is used in extreme cold temperatures (-20C / -4F), ice crystals may form on the relay?s contacts due to rapid heat radiation after the engine is turned off. As a result, these ice crystals can insulate and prevent electricity from flowing and lead to a contact failure. Should this occur, the engine may fail to start immediately. For example: if the engine is started under extreme cold temperatures, shut-off and left to ?soak? for approximately 20 minutes and then restarted, the described relay freezing/no-start condition may occur requiring several attempts to start the engine.
WTG67R2020-11-16. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This repair procedure was previously published in TSB number 07-89-15R. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is now initiating a service program for certain 2015 model year Legacy and Outback vehicles as described in this service program bulletin. INTRODUCTION: During ocean transportation of the IG, ACC and EGI Main relays, moisture may be absorbed into them from exposure to very high ambient humidity conditions. During normal operation, this moisture is heated by the relay?s electric coils and evaporated while the engine is running however, it may not all be eliminated. If the vehicle is used in extreme cold temperatures (-20C / -4F), ice crystals may form on the relay?s contacts due to rapid heat radiation after the engine is turned off. As a result, these ice crystals can insulate and prevent electricity from flowing and lead to a contact failure. Should this occur, the engine may fail to start immediately. For example: if the engine is started under extreme cold temperatures, shut-off and left to ?soak? for approximately 20 minutes and then restarted, the described relay freezing / no-start condition may occur requiring several attempts to start the engine.
078915R2020-11-16. Service bulletin. ENGINE; ELECTRICAL SYSTEM; EQUIPMENT. NOTE: As of 8/23/2016, this TSB has been replaced with Service Program Bulletins WTG-67 and WTH-68. Please refer to those publications for the most updated information relating to the repairs originally contained in TSB 07-89-15R.
15-205-16R2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display.
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.
WTB-63R2020-11-05. Service bulletin. PARKING BRAKE:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. Subaru of America, Inc. (Subaru) is initiating a service campaign for all 2015 model year Legacy and Outback vehicles. Subaru has determined that vehicles affected by this Service Program require reprogramming of the Electronic Parking Brake (EPB) system.
15-271-202020-09-04. Service bulletin. ELECTRICAL SYSTEM. This service information bulletin announces discontinuation of both the "Stitcher" app and the related News Radio feature from the STARLINK app lineup effective 12 midnight on Thursday, September 24, 2020.
WTB-63R2020-09-04. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE. Subaru of America, Inc. (Subaru) is initiating a service campaign for all 2015 model year Legacy and Outback vehicle. Subaru has determined that vehicles affected by this Service Program require reprogramming of the Electronic Parking Brake (EPB) system.
06-77-20R2020-09-04. 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).
11-200-20R2020-06-02. 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.
15-208-17R2020-06-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This service information bulletin announces availability of an enhancenment to the Gracenote database included in the vehicles listed equipped with F10 7" Navigation and 7" display audio head units.
11-200-20R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
07-174-202020-04-03. 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.
17-17-13R2020-04-02. 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.
07-171-202020-04-02. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin is in response to several battery sensor replacements resulting from improper removal and/or installation practices.
18-198-202020-04-02. 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.
07-170-202020-03-03. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. This bulletin announces reprogramming file availability to optimize the EyeSight camera assembly.
07-158-19R2020-03-03. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. IMPORTANT: This Service Bulletin has been as been replaced by TSB 07-170-20 dated 02/21/2020 entitled Reprogramming File Availability for EyeSight DTC B280B: VDC Abnormal. Please refer to this new bulletin for the latest information regarding this condition.
15-205-16R2020-03-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed below involving an F10 Navigation and Display Audio units with 7' display.

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