2020 Subaru Forester Technical Service Bulletins

481 technical service bulletins (TSBs) are on record for the 2020 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.

• 10180688Sep 10, 2020Equipment, Seats, Electrical system. This bulletin announces a design change made to the outer hinge cover on the driver's 10-way adjustable power seat.
• 10179429Aug 31, 2020Equipment, Electrical system. Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Unts (H/U).
• 10179426Aug 31, 2020Electrical system. This service information bulletin announces discontinuation of both the "Stitcher" app and the related News Radio feature from the STARLINK app lineup effective 12 midnight on Thursday, September 24, 2020.
• 10179423Aug 31, 2020Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
• 10179422Aug 31, 2020Engine cooling. This bulletin announces availability of new master cylinder application shaft seals.
• 10179380Aug 5, 2020Transmission and drivetrain, Electrical system. This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM) used in the TR580 and TR690 CVT.
• 10179378Aug 4, 2020Equipment. Special Service Tools Cross Reference List.
• 10177833Jul 28, 2020Electrical system, Equipment. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models listed.
• 10177820Jul 17, 2020Electrical system. This Service information bulletin provides Telematics system/generation applicability.
• 10177826Jul 16, 2020Equipment, Electrical system. This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2 Telematics system equipped Subaru.
• 10177825Jul 16, 2020Electrical system, Forward collision avoidance. This document discusses some of the conditions that may trigger an Automatic Collision Notification (CAN) (Gen1) or Advanced Automatic Collision Notification (AACN) (Gen2), without a collision, airbag deployment, or accident taking place.
• 10177819Jul 14, 2020Electrical system. This Service Information bulletin provides IMPORTANT information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DMC).
• 10177818Jul 13, 2020Equipment, Electrical system. This bulletin contains inllustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10177816Jul 10, 2020Suspension, Body and structure. This Service Information Bulletin outlines design changes made to the rear frame section weld nuts and the mounting bolts used to secure the rear stabilizer bar brackets to them.
• 10177072Jun 30, 2020Body and structure. This Service Information Bulletin outlines design changes made to the rear frame sections and the mounting bolts used to secure the rear stabilizer bar brackets to them.
• 10176030May 28, 2020Body and structure. This bulletin announces a design change made to the B-pillar trim. The change prevents the trim's appearance from deteriorating as a result of recurring contact with the steel latching tongue portion of the seat belt.
• 10176023May 19, 2020Body and structure. This bulletin announces a design change made to the rubber protector located between the top edge of the rear gate garnish and the glass. The change was made in reponse to a number of concerns regarding vertical brownish-colored stains appearing on the rear gate panel below the garnish and / or the license plate.
• 10176017May 15, 2020Electrical system, Latches, locks and linkages, Body and structure. This bulletin announces a design change made to the PRG control module.
• 10176009May 11, 2020Latches, locks and linkages, Equipment. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) opertation of the automatic door lock (auto-lock/unlock) feature.
• 10175989May 6, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM) for hard starting in sub-freezing temperatures, DTC P0400, and surging in high altitudes.
• 10175984May 6, 2020Equipment. Vehicle repair program for customers affected by the COVID-19 quarantine.
• 10174543Apr 30, 2020Equipment. All Models (Vehicle Cleaning- COVID-19Best Practices)
• 10174537Apr 30, 2020Equipment, Electrical system. This service information bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM). All models with STARLINK Telematics System.
• 10174536Apr 30, 2020Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10174540Apr 24, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10174535Apr 17, 2020Electrical system. Subaru's QMR of the month winner.
• 10174510Apr 17, 2020Electrical system, Latches, locks and linkages, Equipment. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature.
• 10174513Apr 10, 2020Electrical system. This service information bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devises.
• 10174512Apr 8, 2020Electrical system. This bulletin is designed to address an error code 202 and/or 204 when attempting to complete the STARLINK Telematics subscription process.
• 10173200Mar 31, 2020Equipment. This service information bulletin outlines a procedure to prevent the loss of and the need to reset the customer's Driver Monitoring System (DMS) settings when servicing the vehicle.
• 10173198Mar 31, 2020Fuel system. This bulletin provides a service procedure to address a small number of concerns regarding a rattle/ buzz-type sound coming from the fuel tank area.
• 10173184Mar 25, 2020Body and structure, Equipment. This bulletin provides a procedure for addressing a rattling sound caused by the sunroof deflector contacting the sunroof rail assembly. This sound may be heard while closing an outside door when all the windows are closed.
• 10173135Mar 20, 2020Electrical system, Body and structure, Latches, locks and linkages. This Service Information Bulletin provides insight on how to address a customer concern of the rear hatch, Power Rear Gate (PRG) or trunk release operating (or finding the PRG/trunk open unexpectedly after parking) without a specific input (button press) from the operator.
• 10173128Mar 19, 2020Equipment, Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 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.
• 10173120Mar 16, 2020Electrical system, Body and structure. This bulletin announces a design change made to the PRG control module. This change is in response to a limited number of customer concerns regarding the rear gate not opening when operating the gate switch or dashboard switch on the vehicle or the button on the key fob. In addition to ensuring proper PRG system operation, the new logic also optimizes the PRG communication function.
• 10173117Mar 10, 2020Equipment, Electrical system, Engine cooling. This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models.
• 10173109Mar 4, 2020Body and structure, Equipment. This bulletin announces availability of new outer door handles to address isolated concerns of the chrome finish peeling.
• 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.
• 10171925Feb 27, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10171948Feb 24, 2020Equipment. Subaru Service and Technical Support Line Newsletter. (QMR of the Month)
• 10171944Feb 21, 2020Electrical system, Equipment. This Service Information bulletin informs of an upcoming correction to the Service Manual involving Gear Position shown in Freeze-Frame Data acquired during Engine diagnosis.
• 10171942Feb 21, 2020Equipment. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature.
• 10171939Feb 21, 2020Equipment. This bulletin details an important regulation issued by the National Highway Traffic Safety Administration (NHTSA) which impacts the way some vehicles with accessories are sold. This regulation applies to any automobile retailer installing accessories on a vehicle prior to its first sale.
• 10171932Feb 19, 2020Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
• 10171916Feb 10, 2020Electrical system. This Service Information Bulletin provides helpful tips and precautions to use whenever removing or installing the battery sensor assembly from the battery post (and / or negative battery cable from the battery sensor assembly).
• 10171096Jan 28, 2020Equipment, Electrical system. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U).
• 10171095Jan 28, 2020Electrical system, Equipment. The first TomTom map update for Gen 3.1 Harman navigation equipped vehicles was made available.
• 10171090Jan 17, 2020Body and structure, Equipment. This bulletin announces availability of new outer door handles to address isolated concerns of the chrome finish peeling.
• 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.

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