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.

• 10226829Nov 1, 2022Equipment, Engine cooling. This bulletin announces Warranty Extension and design changes made to the front exhaust pipe and covers to address the concerns of some customers regarding a rattle-type noise or fluttering sound coming from the undercarriage, during acceleration.
• 10225753Oct 31, 2022Electrical system. Subaru Battery Drain Product Liability Litigation.
• 10225740Oct 3, 2022Suspension. This bulletin announces a design change made to the front stabilizer bushings.
• 10222378Sep 30, 2022Electrical system, Equipment. Battery Class Action Settlement Updates.
• 10222367Sep 27, 2022Engine 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.
• 10222364Sep 26, 2022Electrical system. Battery Class Action Settlement Resources. (2)
• 10222354Sep 23, 2022Equipment. The purpose of this bulletin is to provide a description of current changes to Service Manuals.
• 10222340Sep 6, 2022Electrical system, Equipment. This bulletin announces a warranty extension information regarding 12 Volt vehicle batteries.
• 10222341Sep 1, 2022Equipment, Electrical system. Battery Drain Class Action Settlement- Warranty Extension Training.
• 10219500Aug 30, 2022Electrical system. Announcement to Subaru Retailers regarding the preliminary settlement in a class action lawsuit regarding battery drain in certain Subaru vehicles.
• 10219496Aug 26, 2022Engine 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).
• 10219486Aug 26, 2022Electrical system. This bulletin announces a warranty extension information regarding 12 Volt vehicle batteries.
• 10219492Aug 23, 2022Equipment. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 10219491Aug 23, 2022Equipment, Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10219476Aug 12, 2022Equipment. Special Edition, 2012 current model subaru evaporative diagnostics and smoke testing.
• 10219469Aug 2, 2022Transmission and drivetrain. The bulletin announces the design change made the propeller shaft to address the small number of customer concerns regarding a growling-type sound being heard from under the vehicle when driving.
• 10216981Jul 11, 2022Electrical system, Equipment, Other or unknown. This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINK® Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer.
• 10216980Jul 11, 2022Equipment, Engine 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.
• 10216969Jul 5, 2022Suspension, Equipment. This bulletin announces a design change made to the front stabilizer bushings.
• 10213197May 23, 2022Seats. This bulletin announces a design change made to the Slide Rail components of the left and right front power seat frame / track assembliesd.
• 10213173May 19, 2022Transmission and drivetrain, Electrical system. This bulletin announces a design change to the CVT select lever 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.
• 10213193May 18, 2022Seat belts. 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.
• 10213184May 17, 2022Fuel 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.
• 10213177May 12, 2022Electrical system. This bulletin announces the Service Manual correction for the diagnostic trouble tree for DTC C2521 and/or DTC 21.
• 10210812Apr 6, 2022Equipment. 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.
• 10209915Mar 18, 2022Electrical system. This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment).
• 10208659Feb 18, 2022Electrical system. Going forward when a customer’s vehicle is equipped with a DCM that does not have Software version ID DCM_06.00.17_20190816 installed and they wish to subscribe to Starlink Telematics Service, the DCM must be replaced.
• 10208656Feb 1, 2022Engine cooling. This bulletin announces design changes made to the front exhaust pipe covers.
• 10207192Jan 20, 2022Equipment, Engine cooling. This bulletin announces design changes made to the front exhaust pipe covers. The covers have a redesigned shape to provide a more streamlined fit with the previously re-designed front exhaust pipe bellows.
• 10207191Jan 20, 2022Equipment, Engine cooling. This bulletin announces design changes made to the front exhaust pipe and covers to address the small number of customer concerns regarding a rattle-type noise from the undercarriage during acceleration.
• 10207172Jan 2, 2022Equipment, Engine cooling. This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
• 10205927Dec 21, 2021Suspension. This bulletin announces a design change made to the front stabilizer bushings.
• 10203904Nov 15, 2021Transmission 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.
• 10203878Nov 11, 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.
• 10203897Nov 10, 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.
• 10202815Oct 27, 2021Transmission and drivetrain, Electrical system. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.
• 10202835Oct 19, 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.
• 10202832Oct 19, 2021Transmission and drivetrain, Brakes. 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.
• 10202829Oct 18, 2021Fuel system. WRG-21 Fuel Pump Impeller Failure Safety Recall – Owner Notification.
• 10202828Oct 15, 2021Equipment, Engine cooling. This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE.
• 10202821Oct 14, 2021Transmission and drivetrain, Equipment, Brakes. (Subaru Retailers) 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 CVT Parking Switch for certain 2015-2018 MY Legacy, Outback, 2012-2018 MY Impreza, 2013-2018 MY Crosstrek, 2015-2018 MY WRX and 2014-2018MY Forester vehicles.
• 10202817Oct 14, 2021Brakes, Equipment, Transmission and drivetrain. (Owner Letter) 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 CVT Parking Brake Switch.
• 10202810Oct 7, 2021Equipment, Engine cooling. This bulletin announces an additional service procedure for timing chain and / or cam sprocket replacement on FA and FB type engines.
• 10202808Oct 4, 2021Fuel system, Equipment. WRG-21 Fuel Pump Parts Scrapping.
• 10201813Sep 29, 2021Wheels. This bulletin announces a change made to the wheel lug nuts.
• 10201810Sep 24, 2021Fuel system, Equipment, Engine 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).
• 10201799Sep 23, 2021Equipment, Fuel 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.
• 10201806Sep 22, 2021Equipment, Electrical system. This bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM) along with a new claim submission requirement.
• 10201059Aug 30, 2021Fuel system. 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).
• 10201029Aug 25, 2021Fuel system. Subaru of America, Inc. (Subaru) is initiating a new safety recall in which the fuel pump may become inoperative.

← All problems reported for the 2018 Subaru Forester