2016 Subaru Legacy Technical Service Bulletins

468 technical service bulletins (TSBs) are on record for the 2016 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.

• 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.
• 10155220Feb 20, 2019Electrical system. 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.
• 10155211Feb 7, 2019Brakes. 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.
• 10154425Jan 31, 2019Equipment, Engine. 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.
• 10154412Jan 30, 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.
• 10154423Jan 29, 2019Electrical 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…
• 10154418Jan 24, 2019Wheels. 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.
• 10154207Jan 10, 2019Equipment, Air bags. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10154206Jan 8, 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 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.
• 10153627Dec 28, 2018Electrical 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 ?Gen 2? F10 Navigation and Display Audio units with 7? display.
• 10153187Nov 14, 2018Engine. 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.
• 10153184Nov 13, 2018Seats. 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.
• 10153178Nov 6, 2018Electrical system, Transmission and drivetrain. 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.
• 10150937Oct 12, 2018Equipment, Electrical 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.
• 10150912Oct 12, 2018Electrical 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.
• 10150930Oct 2, 2018Equipment. 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).
• 10150885Oct 2, 2018Equipment, 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).
• 10146475Sep 6, 2018Transmission and drivetrain. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first).
• 10145079Aug 29, 2018Exterior lighting, Visibility (wipers, defrost, mirrors). This Service Information bulletin announces a change made to the lens portion of the fog light assembly. The new lens has optimized light distribution characteristics while remaining interchangeable with the original type.
• 10145072Aug 22, 2018Equipment. This bulletin announces availability of an enhanced audio system power amplifier which contains software to address customer concerns of voice guidance instructions (words) being cut short or cut off. For example: instead of the instruction saying ?Turn right ahead?, it might be ?right ahead? or even just ?ahead?. This intermittent condition occurs after completing a Bluetooth hands-free phone call while using the…
• 10145070Aug 21, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.Within the terms of the Basic New Car Warranty and the one year Replacement Parts Warranty the Exchange Program provides for replacement of a defective unit from the manufacturer.
• 10144883Aug 21, 2018Equipment. 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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to always refer to the STIS web site when looking for the latest Service information
• 10144881Aug 15, 2018Equipment, 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 ?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.
• 10144880Aug 15, 2018Body and structure. This Service Information bulletin advises of a design change made to the rear body panel. This panel is located between the trunk and the rear glass and incorporates the package shelf. It has been re-designed with convex surfaces added to prevent items going into or out of the trunk from being scratched or caught by the rear edges of the reinforcement panels.
• 10144874Aug 1, 2018Engine, Equipment. In conjunction with the launch of our new Remanufactured FB Engine Short Block Program, SOA would like to reinforce Core Return Policy (See Parts Policy & Procedures Manual ? Section 12.3 Core Returns ? Reman) and provide suggestions for removal and handling of the short block.
• 10143882Jul 30, 2018Equipment. 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. It is important to read through and understand this information completely before proceeding. These…
• 10143727Jul 26, 2018Engine, Engine cooling. This bulletin provides a service procedure for installation of additional foam packing to enhance performance of the Ambient Air Temperature Sensor. The additional foam better insulates the sensor from engine compartment heat which may lead to setting a DTC P0072. This information is applicable to models with or without the Active Grill Shutter (AGS) system.
• 10143879Jul 23, 2018Body and structure. 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.
• 10143873Jul 23, 2018Electrical system. This bulletin announces a design change to the EPB adapter cord harness connector. In some cases, the retaining tab of the connector may become damaged as a result of removal or installation for diagnosis and later and cause DTC C1956 or C1957 to set and the brake warning lamp to illuminate. The retaining tab portion of the connector has been changed to improve its durability and prevent recurrence of the DTC.
• 10143871Jul 9, 2018Wheels. This Service Information bulletin announces a change made to the rear frame stay mounting flange bolts. The new flange bolts (5 used per side) have been lengthened by 2mm to an overall length of 25mm.
• 10142829Jun 26, 2018Equipment. This bulletin announces availability of reprogramming files to optimize the ECM. These new files will address an idle drop condition which may occur when the A/C system switches off at low engine RPM during warm-up after a cold start.
• 10142838Jun 21, 2018Electrical system. 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.
• 10142835Jun 11, 2018Electrical 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. The procedure will involve downloading the applicable software update files from Subarunet then loading them onto a flash drive for audio unit installation.
• 10142834Jun 11, 2018Equipment. ONLY MODELS with AVN Navigation or Display Audio system. 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 available.

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