2018 Subaru Forester Technical Service Bulletins

411 technical service bulletins (TSBs) are on record for the 2018 Subaru Forester. 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.

• 10201055Aug 24, 2021Fuel system. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative.
• 10201043Aug 23, 2021Equipment. This bulletin provides a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
• 10201027Aug 4, 2021Seat belts, Seats. 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.
• 10199937Jul 30, 2021Equipment, Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10199934Jul 30, 2021Engine cooling, Electrical system. This bulletin announces the availability of Engine Control Module (ECM) reprograming files to correct DTC P015A and/or P015B.
• 10199933Jul 30, 2021Equipment, Electrical system. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
• 10199960Jul 27, 2021Steering. As part of Subaru’s dedication to customer satisfaction, Subaru of America, Inc. (SOA) is announcingan extension to the Basic New Car Limited Warranty for the Electronic Power Steering (EPS) GearBox Assembly for certain 2012-2018 MY vehicles.
• 10199957Jul 26, 2021Steering, Equipment. As part of Subaru of America’s dedication to customer satisfaction, this letter is to inform you of an extension to the Basic New Car Limited Warranty for your vehicle’s Electronic Power Steering Gear Box Assembly.
• 10199956Jul 26, 2021Steering, Equipment. As part of Subaru’s dedication to customer satisfaction, Subaru of America, Inc. (SOA) is announcing an extension to the Basic New Car Limited Warranty for the Electronic Power Steering Gear Box Assembly for certain 2012-2018 MY vehicles.
• 10198768Jun 28, 2021Engine cooling. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
• 10198765Jun 23, 2021Transmission and drivetrain. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
• 10198772Jun 17, 2021Electrical system. Gen1 Telematics Reprogramming for 3G Sunset.
• 10198758Jun 17, 2021Electrical system, Equipment. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
• 10198749Jun 7, 2021Equipment, Engine cooling. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
• 10198744Jun 7, 2021Electrical system, Latches, locks and linkages. This bulletin outlines changes in the service procedure for replacement of the Power Rear Gate control module.
• 10198742Jun 2, 2021Electrical system. This 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.
• 10198741Jun 1, 2021Engine cooling. This bulletin outlines changes in the service procedure for engine oil pressure inspection.
• 10194859May 21, 2021Electrical system, Equipment. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
• 10194830May 21, 2021Engine cooling. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components.
• 10194826May 5, 2021Equipment. Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
• 10191668Apr 30, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10191590Apr 21, 2021Equipment. WRB-21 Forester condenser parts scrapping
• 10191573Apr 13, 2021Electrical system, Transmission and drivetrain. Vehicles equipped with manual transmission and push-button start will follow DCM replacement procedure as outlined in TSB 15-279-21: Gen1 Telematics DCM Replacement for 3G Sunset which is applicable to manual transmission vehicles with push-button start ONLY.
• 10191580Apr 5, 2021Visibility (wipers, defrost, mirrors). This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and / or scraping type sound.
• 10189693Mar 31, 2021Suspension. This bulletin announces a design change made to the forward bushing used in the front lower control arm to address customer concerns of a rattle-type sound and / or a possible vibration felt in the steering wheel.
• 10189606Mar 25, 2021Electrical system. Gen1 Telematics Reprogramming for 3G Sunset.
• 10189673Mar 18, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10189664Mar 10, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10188193Feb 22, 2021Equipment, Wheels. This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
• 10188184Feb 17, 2021Electrical system, Equipment. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10188181Feb 17, 2021Equipment, Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
• 10188164Feb 4, 2021Electrical system, Engine cooling. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10187315Feb 1, 2021Equipment. 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.
• 10186347Jan 22, 2021Engine cooling. The purpose of this bulletin is to provide procedures for the diagnosis and repair of oil seepage which may be coming from the timing chain cover, front camshaft cap, camshaft carrier, and/or upper oil pan.
• 10186388Jan 19, 2021Equipment. 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.
• 10186378Jan 14, 2021Electrical system, Equipment. This bulletin provides information related to the telematics system's Automatic Collision Notification (ACN) and Advanced Automatic Collision Notification (AACN) feature operation, diagnostic tips, and best practices.
• 10186364Jan 12, 2021Transmission and drivetrain, Engine cooling, Equipment. This bulletin announces a design change to the clutch release bearing.
• 10186363Jan 12, 2021Seat belts, Seats. 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.
• 10186348Jan 4, 2021Equipment, Electrical system. The purpose of this bulletin is to provide replacement key and immobilizer information.
• 10185092Dec 21, 2020Equipment, 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 involving “Gen 2” F10 Navigation and Display Audio units with 7” display.
• 10185090Dec 15, 2020Wheels. This Service Information Bulletin announces a change made to the wheel lug nuts.
• 10185083Dec 15, 2020Seat belts, 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.
• 10185082Dec 15, 2020Seats, Seat belts, 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.
• 10185064Dec 2, 2020Brakes, Wheels. This bulletin announces a design change made to the rear wheel / brake backing plates.
• 10185062Dec 1, 2020Transmission 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.
• 10183714Nov 9, 2020Transmission and drivetrain. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
• 10183713Nov 9, 2020Electrical 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).
• 10182247Oct 29, 2020Equipment. 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.
• 10182192Oct 21, 2020Equipment, Electrical system. This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and/or scraping type sound.
• 10182220Oct 13, 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 involving “Gen 2” F10 Navigation and Display Audio units with 7” display.

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