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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.

By type

By component

By trouble code

Bulletins, newest first
15-205-16R2019-07-22. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. 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 ?Gen 2? F10 Navigation and Display Audio units with 7? display. The procedure will involve downloading the applicable software update files then loading them onto two flash drives for audio unit installation.
WUB-872019-07-01. Service bulletin. ENGINE. Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2015-2018 Legacy and Outback 2.5L SULEV vehicles. This campaign involves replacement of the front exhaust pipe assembly, which includes the catalytic converter. Due to an improper part number supersession for the EPF assembly, certain SULEV vehicles which had the EPF replaced by an authorized Subaru retailer may have had a non-SULEV specification part installed. Although there is no safety risk or noticeable change in vehicle operation, performance of the emission system may be insufficient to comply with required specifications.
WUB87-Announceme2019-07-01. Service bulletin. EQUIPMENT. Subarunet Aunouncement: Subaru of America, Inc. (Subaru) is initiating a service campaign/voluntary emissions recall for certain 2015-2018 model year Legacy and Outback SULEV (Super Ultra Low Emissions Vehicle) vehicles. This will affect 2,620 vehicles identified through Subaru warranty claim records indicating that the incorrect front exhaust pipe assembly may have been installed during a repair.
Subaru Tech Tips2019-07-01. Service bulletin. EQUIPMENT. Subaru Service and Technical Support Line Newletter.
07-153-192019-07-01. Service bulletin. ELECTRICAL SYSTEM. This service bulletin announces availability of the cap portion (a.k.a. spark plug boot) as a service part separate from the complete ignition coil assembly. If the cap portion as shown in the illustrations below is damaged during removal or replacement, it is no longer necessary to replace the complete ignition coil assembly.
14-22-16R2019-07-01. 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.
04-17-17-R2019-07-01. Service bulletin. STEERING. This bulletin provides a service procedure to address isolated customer concerns of a rattling sound identified as coming from the Electronic Power Steering (EPS) gear box (steering rack) assembly. The repair (when applicable) involves installation of a new tension spring for the worm gear to reduce / eliminate the condition.
12-253-18R2019-05-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SEATS; EQUIPMENT. This bulletin provides a procedure to help identify the source of a squeaking, creaking or popping -type sound heard coming from the driver?s seat. A change has been made to the Teflon bushings used in the seat cushion frame assembly.
06-70-192019-05-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This bulletin announces a change to the operating software included in the Vehicle Dynamic Control (VDC) Control Module and Hydraulic Unit (VDCCM&H/U) on the models listed above. This change is in response to a very small number of customer inquiries regarding the Hill Holder system?s indicator lamp blinking once along with a single tone (chirp)being heard when starting the engine using the key, push-button or with use of a remote engine start.
02-163-16R2019-05-28. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
16-120-192019-05-28. Service bulletin. EQUIPMENT:MECHANICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides a procedure to follow for addressing customer concerns of a shuddering condition or chattering -type sound heard or felt when making sharp turns. If an applicable vehicle presents with the condition as described, it is recommended to perform the transfer clutch break-in procedure as described.
02-170-17R2019-05-20. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; ENGINE. This bulletin announces part information for new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal. The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time, the Check Engine lamp may illuminate and set various AVCS-related DTCs.
15-208-17R2019-05-20. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
10-90-192019-03-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin announces a design change made to the HVAC control panels for the models listed above. The change will address customer concerns of the seat heater switches sticking in the ?pressed? position but not returning to ?flush? with the face of the control panel when released as shown in the photos below. A series of small air outlets (vents) has been added to the assembly to keep dust and dirt from accumulating and causing the switches to bind.
02-178-18R2019-03-25. Service bulletin. EQUIPMENT. This Service Information bulletin announces a design change made to the rubber timing hole access plug to improve its retention and prevent water intrusion into the converter case.
16-112-18R2019-03-25. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; ELECTRICAL SYSTEM:IGNITION. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. The cause is contamination of the Park-Range switch internal components.
06-69-19R2019-03-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. This bulletin announces a design change made to the rear ABS wheel speed sensor on the models listed above. The change involves the addition of an additional shielding cover to protect the harness from damage caused by road debris.
02-134-12R2019-03-11. Service bulletin. ENGINE; EQUIPMENT. The purpose of this bulletin is to announce a change to the specification of the valve springs used in the FB engine. The new springs have different color paint marks to help identify their application.
16-119-192019-03-11. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin announces availability of a new control valve assembly (valve body) designed to prevent false detection of DTC P0841 and / or illumination of the AT Temp light. Testing has revealed in some limited cases, air bubbles (aerated fluid) may enter certain pressure circuits within the control valve assembly causing fluid pressure control and adjustment to be calculated incorrectly resulting in DTC P0841. The shape of these circuits has been changed to prevent this occurrence.
05-67-192019-03-11. Service bulletin. WHEELS; WHEELS:HUB. This bulletin announces a slight design change made to the sealing areas of the wheel hub assemblies for the models as listed above. The change was made to enhance productivity during the vehicle assembly process.
15-205-16R2019-03-11. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. 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 ?Gen 2? F10 Navigation and Display Audio units with 7? display.
17-17-13R2019-03-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
16-103-16R2019-03-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified a likely source of the seepage to be the sealant used on the CVT?s oil pump chain cover. The repair involves removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover.
15-205-16R2019-02-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 ?Gen 2? F10 Navigation and Display Audio units with 7? display.
07-133-182019-02-19. Service bulletin. ENGINE. This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333. The knock sensor for DIT engines is now utilized for NA engines to improve durability and resistance to heat.

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