2021 Subaru Outback Technical Service Bulletins

488 technical service bulletins (TSBs) are on record for the 2021 Subaru Outback. 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.

• 10215432Jun 29, 2022Electrical system, Engine cooling. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
• 10215424Jun 27, 2022Electrical system, Equipment. This Service Information Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2256 is detected.
• 10213182May 13, 2022Electrical system. This bulletin addresses the rare cases of activation of touch screen buttons without touch. (11.6" Display Screen Only)
• 10213181May 13, 2022Electrical system. This bulletin addresses isolated customer concerns regarding the pictured CP1 BASEModel Center Information Display (CID) LOWER 7-inchdisplay screen flashing, not responding to touch inputs and / or shutting off intermittently.
• 10213178May 12, 2022Electrical system, Equipment. This bulletin addresses the rare cases of activation of touch screen buttons without touch. (Dual 7" Display Screen Only)
• 10213174May 9, 2022Electrical system, Equipment. This bulletin announces the Service Manual correction for the diagnostic trouble tree for DTC B281C.
• 10213170May 2, 2022Equipment, Electrical system. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
• 10210827Apr 26, 2022Equipment, Transmission and drivetrain, Engine cooling. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
• 10210833Apr 22, 2022Electrical system, Equipment. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
• 10210832Apr 22, 2022Electrical system, Equipment. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
• 10210831Apr 22, 2022Engine cooling, Electrical system. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
• 10210820Apr 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.
• 10209937Mar 29, 2022Electrical system, Equipment, Engine cooling. This bulletin announces the proper diagnostic procedures regarding oil leakage from the oil level switch area.
• 10209917Mar 25, 2022Electrical system. Subaru Service and Technical Support Line Newsletter. (QMR of the Month)
• 10209935Mar 22, 2022Electrical system. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-2022 Subaru vehicles.
• 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).
• 10209927Mar 9, 2022Equipment. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.
• 10209914Mar 9, 2022Transmission and drivetrain. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
• 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.
• 10208701Feb 18, 2022Electrical system. This bulletin announces tentative Subaru Select Monitor procedure information to follow when replacing and/or diagnosing combination meters.
• 10208688Feb 8, 2022Transmission 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.
• 10208682Feb 8, 2022Electronic stability control, Electrical system. This bulletin announces availability of reprogramming files to optimize the Vehicle Dynamic Control Control Module (VDCCM).
• 10207180Jan 28, 2022Equipment. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units.
• 10207216Jan 21, 2022Transmission and drivetrain. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
• 10207215Jan 14, 2022Transmission and drivetrain. This bulletin provides a repair procedure for R152 type rear differentials.
• 10207189Jan 14, 2022Equipment, Electrical system. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.
• 10207185Jan 13, 2022Electrical system, Equipment. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 10207175Jan 11, 2022Equipment, Electrical system. This bulletin provides helpful tips to use when diagnosing customer concerns which may arise when operating the new-generation Denso CP1 Multimedia Navigation (AVN) & Display Audio (DA) systems.
• 10207174Jan 10, 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.
• 10207171Jan 4, 2022Electrical system, Equipment. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.
• 10207168Jan 3, 2022Electrical system, Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10207172Jan 2, 2022Engine cooling, Equipment. This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
• 10205931Dec 29, 2021Electrical system. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.
• 10205930Dec 29, 2021Electrical system. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
• 10205929Dec 28, 2021Electrical system. This bulletin announces additional information for the Subaru STARLINK® Owner’s Manual for models equipped with Denso CP1 Gen 4 systems.
• 10205924Dec 15, 2021Equipment, Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 10203864Nov 2, 2021Equipment, Electrical system. This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
• 10202841Oct 28, 2021Electrical system. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
• 10202814Oct 13, 2021Body and structure, Latches, locks and linkages. This bulletin announces changes made to the rear doors and weatherstrips to optimize their water sealing performance.
• 10202811Oct 8, 2021Electrical system. This bulletin announces the availability of diagnostic information regarding accessory remote engine start systems.
• 10202810Oct 7, 2021Engine cooling, Equipment. This bulletin announces an additional service procedure for timing chain and / or cam sprocket replacement on FA and FB type engines.
• 10202804Oct 1, 2021Electrical system. This Service Information Bulletin involves DTC U0254 “Lost Communication with Remote Control Module”. The DTC will be stored in memory when performing an all systems DTC check on vehicles equipped with the Genuine Subaru accessory Remote Engine Starter (RES) p.n. H001SAN000 or H001SAN100.
• 10201810Sep 24, 2021Engine cooling, Equipment, Fuel 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).
• 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.
• 10201805Sep 20, 2021Seats, Electrical system. This bulletin announces a design change made to the outer hinge cover on the driver’s 10-way adjustable power seats.
• 10201802Sep 20, 2021Electrical system, Equipment. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
• 10201794Sep 8, 2021Electrical system, Equipment. This bulletin addresses isolated customer concerns regarding the pictured CP1 BASE Model Center Information Display (CID) LOWER 7-inch display screen flashing, not responding to touch inputs and / or shutting off intermittently.

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