2015 Subaru Legacy Technical Service Bulletins

527 technical service bulletins (TSBs) are on record for the 2015 Subaru Legacy. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10174540Apr 24, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10174530Apr 24, 2020Equipment, Engine cooling. Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2015-2016 MY Legacy and Outback 2.5L models which may experience an exhaust noise and/or odor coming from cracks at the bellows section of the front exhaust pipe which includes the catalytic converter.
• 10173118Mar 27, 2020Equipment, Engine cooling. Subaru of America, Inc. (Subaru) is initiating a serivce campaign/voltuntary emissions recall for certain 2015-2016 model year Legacy and Outback vehicles. This campaign will involve replacement of the front exhaust pipe containing the cataytic converter.
• 10173186Mar 26, 2020Equipment, 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.
• 10173122Mar 24, 2020Equipment, Engine cooling. Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2015-2016MY Legacy and Outback 2.5L models which may experience an exhaust noise and/or odor coming from cracks at the bellows section of the front exhaust pipe which includes the catalytic converter.
• 10173127Mar 19, 2020Electrical system, Air bags, Equipment. This bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10173114Mar 6, 2020Electrical system. This Service Information Bulletin is in response to several battery sensor replacements resulting from improper removal and/or installation practices.
• 10173027Mar 3, 2020Engine cooling, Equipment, Electrical system. 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.
• 10171934Feb 27, 2020Electrical 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 below involving an F10 Navigation and Display Audio units with 7' display.
• 10171925Feb 27, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10171952Feb 21, 2020Forward collision avoidance, Electrical system. This bulletin announces reprogramming file availability to optimize the EyeSight camera assembly.
• 10171937Feb 21, 2020Electrical system, Forward collision avoidance. 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.
• 10171930Feb 19, 2020Electrical system. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2" display.
• 10171921Feb 11, 2020Equipment, Engine cooling. Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2015-2016MY Legacy and Outback 2.5L models which may experience an exhaust noise and/or odor coming from cracks at the bellows section of the front exhaust pipe which includes the catalytic converter. A leak occurring at the front exhaust pipe may result in deterioration of emission performance. As a result, the vehicle may fail to meet…
• 10171920Feb 11, 2020Engine cooling, Equipment. Subaru of America, Inc. (Subaru) is initiating a service campaign/voluntary emissions recall for certain 2015-2016 model year Legacy and Outback vehicles. This campaign will involve replacement of the front exhaust pipe containing the catalytic converter.
• 10171105Jan 31, 2020Visibility (wipers, defrost, mirrors), Electrical system, Equipment. This bulletin announces availability of new power window switch assemblies.
• 10171089Jan 17, 2020Equipment, Air bags, Electrical system. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10171084Jan 10, 2020Equipment, Electrical system. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 10169864Dec 9, 2019Electrical system, Equipment. "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).
• 10169858Dec 5, 2019Air bags. "This Service Information Bulletin announces IMPORTANT changes to the parts ordering and Service Procedures for replacement passenger airbag modules and airbag control modules used in the models listed above. The change is due to discontinuation of the original equipment passenger airbag module assemblies used in 2015-17MY vehicles. The replacement passenger airbag module assemblies for the 2015-17 MY Legacy and…
• 10169857Dec 5, 2019Air bags. "This Service Information Bulletin announces IMPORTANT changes to the parts ordering and Service Procedures for replacement passenger airbag modules and airbag control modules used in the models listed above. The change is due to discontinuation of the original equipment passenger airbag module assemblies used in 2015-17MY vehicles. The replacement passenger airbag module assemblies for the 2015-17 MY Legacy and…
• 10166913Oct 18, 2019Electrical system. This Service Information Bulletin provides the answer to potential inquiries regarding the STARLINK app being unable to play music files stored on a customer’s Android® phone / device through the head units (H/U) used in the applicable models listed above. This information is applicable ONLY to Android devices operating with Operating System (OS) version 10. IOS (AppleTM) devices are not affected.
• 10165497Sep 26, 2019Transmission and drivetrain. 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 likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the…
• 10164446Aug 29, 2019Transmission and drivetrain. "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 likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing…
• 10164444Aug 26, 2019Transmission and drivetrain. This Service Information Bulletin announces a design change to the CVT torque converter assembly made to address a small number of reports describing a squeaking -type sound heard while the engine is being cranked over. The sound results from contact between the starter pinion gear and the converter ring gear. Both the number and length of the welds securing the ring gear to the converter shell have been increased…
• 10164392Aug 23, 2019Electrical system, Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. The exchange program policy can also be found in Sections 8.4.9 and 11.2.10 of your Claims Policies and Procedures Manual found in subarunet.
• 10164190Aug 15, 2019Forward collision avoidance. This bulletin announces availability of reprogramming files to optimize the EyeSight camera unit. In some cases, when using the Adaptive Cruise Control feature, the EyeSight system may stop functioning, enter a fail-safe mode and store DTC B280B- VDC ABNORMAL. When the EyeSight system is inoperative, the vehicle operates like a traditional vehicle not equipped with this feature. Normal EyeSight system function is…
• 10164184Aug 8, 2019Electrical 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 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.
• 10163558Jul 26, 2019Electrical system, Equipment. All 2015-2017 MY vehicles with Fujitsu TEN (F10) 7in. Multimedia Navigation (AVN) & Display Audio Units. This bulletin provides information to help diagnose and address different conditions relating to customer concerns which may arise when operating the new-generation “Gen 2” and “Gen 2.1” F10 Navigation and Display Audio systems. We will continue to add more helpful tips to this TSB as they become…
• 10163534Jul 23, 2019Body and structure, Visibility (wipers, defrost, mirrors), Electrical system. This bulletin provides a procedure for diagnosing and repairing customer concerns of a “popping” or “snapping” -type sound heard when opening the sunroof. The sound may occur when the rear portion of the glass lid weatherstrip contacts or catches the roof frame when the sunroof is opened.
• 10163532Jul 22, 2019Equipment, Electrical system. This Service Information bulletin announces a change made to the mass damper plate and sub-woofer mounting bolts. The threaded end of the new bolts has been changed to a round type instead of square to prevent getting caught on items as they are loaded into and out of the trunk.
• 10163526Jul 12, 2019Visibility (wipers, defrost, mirrors), Electrical system. "This bulletin announces availability of new power window switch assemblies developed to address the following customer concerns: • Power windows inoperative from the driver’s door master and / or passenger front door switch • Unable to remotely operate other door windows from the driver’s door master switch • One-Touch Auto Up / Down features inoperative from either / both front door switches"
• 10163525Jul 11, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10163524Jul 10, 2019Equipment, Electrical system. 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…
• 10163017Jun 27, 2019Engine. 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.
• 10162998Jun 3, 2019Equipment. 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.
• 10161833May 28, 2019Engine. 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…
• 10161830May 28, 2019Equipment. 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.
• 10161824May 21, 2019Equipment. Subaru Service and Technical Support Line Newletter.
• 10161814May 7, 2019Electrical 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.
• 10161813May 6, 2019Equipment. 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.
• 10161811May 2, 2019Steering. 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.
• 10160202Apr 25, 2019Equipment. 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.
• 10160214Apr 23, 2019Electrical system, 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.
• 10160510Mar 27, 2019Equipment, Seats. 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.
• 10160502Mar 18, 2019Electrical system, Equipment, Exterior lighting. 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…
• 10160490Mar 8, 2019Engine cooling, 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.
• 10160485Mar 4, 2019Equipment. 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.
• 10155226Feb 28, 2019Equipment. 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…
• 10155225Feb 22, 2019Equipment. 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.

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