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.

• 10189663Mar 4, 2021Latches, locks and linkages. This bulletin announces a design change made to the front hood lock (latch) assembly.
• 10188201Feb 26, 2021Equipment. This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
• 10188160Feb 23, 2021Equipment, Transmission and drivetrain. This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
• 10188190Feb 19, 2021Equipment, Body and structure. This bulletin announces availability of new center console armrest covers to address the a wrinkling condition.
• 10188185Feb 17, 2021Equipment, Electrical system. This bulletin announces a change made to the MFD software to keep the affected units listed below compliant with Apple® CarPlay® certification.
• 10188183Feb 17, 2021Engine, Equipment. This bulletin announces the upcoming issuance to all retailers of an essential tool update kit for the Engine Support Assembly Kit #J-50135-A.
• 10188179Feb 15, 2021Equipment, Visibility (wipers, defrost, mirrors), Electrical system. This bulletin announces a design change made to the power window main switches.
• 10188170Feb 10, 2021Equipment, Electrical 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.
• 10188168Feb 5, 2021Electrical system, Equipment. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 10188216Feb 3, 2021Electrical system, Engine cooling. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10188158Feb 3, 2021Latches, locks and linkages, Electrical system, Body and structure. This bulletin replaces TSB 07-143-18R and announces additional changes made to the PRG control module. These changes are in response to a limited number of customer concerns regarding the rear gate not opening when operating the gate mounted switch, dashboard switch or the rear gate button on the key fob.
• 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.
• 10186438Jan 28, 2021Electrical system. This bulletin announces availability of a new variable displacement type A/C compressor designed to address a small number of customer concerns regarding an excessive sound heard when the system is OFF.
• 10186436Jan 28, 2021Electrical system. This bulletin announces a design change made to the power window main switches.
• 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.
• 10186416Jan 18, 2021Transmission and drivetrain. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged chain slip condition on the TR580 and TR690 model CVT transmissions.
• 10186385Jan 18, 2021Equipment, Seats. This bulletin announces a design change made to the outer hinge cover on the driver’s 10-way adjustable power seats.
• 10186382Jan 15, 2021Latches, locks and linkages, Electrical system, Body and structure. This bulletin provides details regarding the cause of a whining-type sound customers may have concern about when operating their power door locks (lock and/or unlock).
• 10186381Jan 15, 2021Body and structure, Equipment. This bulletin announces design changes made to the trim cover for the rear gate PRG control switches located on the bottom of the rear gate inner trim panel.
• 10186426Jan 14, 2021Electrical system. This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
• 10186391Jan 14, 2021Electrical system. This bulletin provides information related to error code 202 and/or 204 generated during the Gen 2 Telematics subscription process. This bulletin is applicable to all 2019-2021MY vehicles equipped with a Gen. 2 Telematics System.
• 10186380Jan 14, 2021Electrical system, Equipment. This bulletin provides an overview and basic instructions for use of the “Destination to Vehicle” feature of the Gen 2 Telematics system.
• 10186379Jan 14, 2021Electrical system. This 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.
• 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.
• 10186377Jan 14, 2021Electrical system. This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system's remote access features.
• 10186355Jan 7, 2021Electrical system, Equipment. Reprogramming File Availability for Optimization of Harman Gen 3.1 and Gen 3.1α Audio and Navigation Head Units.
• 10186348Jan 4, 2021Equipment, Electrical system. The purpose of this bulletin is to provide replacement key and immobilizer information.
• 10185094Dec 31, 2020Electrical system. This Service Information Bulletin provides a remedy procedure to use when a communication error message appears during Subaru Select Monitor (SSM) diagnosis of the DMS.
• 10185089Dec 29, 2020Equipment, Transmission and drivetrain. This Service Information Bulletin provides updated diagnostic procedures to follow when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
• 10185088Dec 21, 2020Equipment, Electrical 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.
• 10185090Dec 15, 2020Wheels. This Service Information Bulletin announces a change made to the wheel lug nuts.
• 10185076Dec 14, 2020Equipment, Electrical system. This bulletin provides information related to error code(s) 202 and/or 204 generated during the Gen 2 telematics subscription process.
• 10185066Dec 7, 2020Equipment, Seats. This bulletin provides a repair procedure to address a squeaking sound coming from the backrest hinge area of the front seats. The procedure applies to both manually and power operated seat assemblies.
• 10183714Nov 9, 2020Transmission and drivetrain. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
• 10183694Nov 9, 2020Latches, locks and linkages, Equipment, Body and structure. This bulletin announces design changes made to the trim cover for the rear gate PRG control switches located on the bottom of the rear gate inner trim panel.
• 10183693Nov 6, 2020Seats, Electrical system. This bulletin provides additional diagnostics and new part availability information for the Seat Memory Control Module.
• 10183691Nov 4, 2020Body and structure, Equipment, Suspension. 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.
• 10182249Oct 30, 2020Equipment, Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 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.
• 10182245Oct 27, 2020Equipment, Electrical system. This bulletin announces a design change made to the power window main switches used in the models listed.
• 10182242Oct 26, 2020Electrical system, Equipment. This Service Information Bulletin provides corrected and updated procedures to follow when replacing the combination meter assembly.
• 10182234Oct 22, 2020Engine cooling. This Service Information Bulletin announces availability of a new B2 (LH) INTAKE Camshaft.
• 10182222Oct 14, 2020Equipment, Seats. This bulletin announces a design change made to the front seat backrest frame assemblies in response to a limited number of customer reports of a squeaking sound heard when leaning back in the front seats.
• 10182214Oct 13, 2020Tires, Electrical system. This Service Information Bulletin announces additional diagnostic procedures for TPMS related DTC C2921 on the applicable models listed.
• 10182193Oct 7, 2020Seats, Equipment, Seat belts. This bulletin announces a countermeasure made to the rear outer seat belt assemblies. The change was made in response to customer concerns of the seat belts not retracting smoothly.
• 10182176Oct 6, 2020Electrical system, Latches, locks and linkages, Body and structure. This bulletin replaces TSB 07-143-18R and announces additional changes made to the PRG control module.
• 10180739Sep 22, 2020Electrical system. Update your STARLINK Multimedia Software and Navigation Maps.
• 10180738Sep 22, 2020Electrical system. Update for STARLINK Multimedia Software. (with 7-inch or 8-inch display)
• 10180730Sep 22, 2020Electrical system, Equipment. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimized efficiency.
• 10180733Sep 18, 2020Equipment. This bulletin provides a description of current changes to Service Manuals.

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