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.

• 10226867Nov 17, 2022Electrical 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 as listed.
• 10226863Nov 17, 2022Equipment, Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressin customer concerns.
• 10226852Nov 14, 2022Equipment, Visibility (wipers, defrost, mirrors), Engine cooling. 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.
• 10226841Nov 9, 2022Electrical system, Equipment. This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature.
• 10226833Nov 2, 2022Electrical system, Equipment. This Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current).
• 10225753Oct 31, 2022Electrical system. Subaru Battery Drain Product Liability Litigation.
• 10225766Oct 18, 2022Electrical system, Equipment. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
• 10225744Oct 3, 2022Equipment, Electrical system. This bulletin is being released as guidance for proper testing and charging of vehicle batteries.
• 10225742Oct 3, 2022Body and structure. This bulletin announces the shape design change made to the roof molding fasteners to help prevent any deformation of the molding.
• 10225740Oct 3, 2022Suspension. This bulletin announces a design change made to the front stabilizer bushings.
• 10225733Oct 3, 2022Equipment, Electrical system. This Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current).
• 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.
• 10222348Sep 14, 2022Engine cooling, Equipment. This bulletin announces availability of a new thermo control valve assembly.
• 10222346Sep 13, 2022Electronic stability control, Electrical system, Equipment. This bulletin announces the availability of new Vehicle Dynamics Control (VDC) reprogramming files.
• 10222340Sep 6, 2022Equipment, Electrical system. This bulletin announces a warranty extension information regarding 12 Volt vehicle batteries.
• 10222338Sep 6, 2022Electrical system, Equipment. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.
• 10222341Sep 1, 2022Electrical system, Equipment. 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.
• 10219499Aug 23, 2022Latches, locks and linkages, Electrical system. This Service Information Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current).
• 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.
• 10219474Aug 9, 2022Equipment, Electrical system. This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature.
• 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.
• 10216984Jul 12, 2022Transmission and drivetrain, Equipment. 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 used in the models listed.
• 10216981Jul 11, 2022Equipment, Electrical system, 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.
• 10215427Jun 27, 2022Equipment, 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 utilized in the models as listed.
• 10215420Jun 27, 2022Electrical system, Equipment. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.
• 10215405Jun 14, 2022Electrical system, Engine cooling. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
• 10215402Jun 14, 2022Equipment, Latches, locks and linkages. This bulletin announces a design change made to the rear gate stay assemblies.
• 10213199May 23, 2022Latches, locks and linkages, Electrical system, 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.
• 10213187May 17, 2022Electrical 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.
• 10213179May 12, 2022Electrical system, Engine cooling. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
• 10213174May 9, 2022Electrical system, Equipment. This bulletin announces the Service Manual correction for the diagnostic trouble tree for DTC B281C.
• 10210838Apr 27, 2022Back-over prevention (rear camera), Equipment, Electrical system. This bulletin announces the availability of new reprogramming files for the Subaru Rear Vehicle Detection (SRVD) system.
• 10210835Apr 26, 2022Equipment. This bulletin announces the design change made to the side cowl panels.
• 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).
• 10209930Mar 15, 2022Equipment, Back-over prevention (rear camera), Electrical system. This bulletin announces the availability of new reprogramming files for the Subaru Rear Vehicle Detection (SRVD) system.
• 10209913Mar 2, 2022Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
• 10208689Feb 28, 2022Equipment, Electrical system. This bulletin provides helpful tips to better utilize the Subaru Select Monitor 4.
• 10208664Feb 28, 2022Engine cooling. This bulletin announces availability of a new thermo control valve assembly.
• 10208661Feb 23, 2022Transmission and drivetrain. WRK-21 CVT Chain Guide Breakage Recall - Customer communications and rental.
• 10208699Feb 11, 2022Visibility (wipers, defrost, mirrors). This bulletin announces the design change to the front window channel running channel seals.

← All problems reported for the 2020 Subaru Forester