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.

• 10201793Sep 8, 2021Electrical system. This bulletin provides additional information for the diagnostic procedures concerning measurement of dark current (a.k.a. standby current).
• 10201052Aug 31, 2021Electrical system, Equipment. This bulletin provides additional information for the diagnostic procedures concerning measurement of dark current (standby current).
• 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).
• 10201049Aug 25, 2021Equipment, Body and structure. This bulletin announces a design change made to the cross bar integrated roof rails. The new roof rails have added reinforcement ribs on the bottom of the rail cover section.
• 10201040Aug 20, 2021Equipment. Subaru of America, Inc. (Subaru) is initiating a new voluntary emissions recall for certain 2021 model year Ascent, Legacy, and Outback vehicles equipped with a 2.4L turbo engine.
• 10201032Aug 9, 2021Equipment. This bulletin provides a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
• 10201031Aug 6, 2021Suspension. This bulletin announces a design change made to the front stabilizer bar bushing clamps.
• 10201021Aug 2, 2021Latches, locks and linkages, Equipment. This bulletin announces the service procedure for addressing possible water entry into the interior from the door(s) area.
• 10199935Jul 30, 2021Electrical system. This bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current).
• 10199963Jul 28, 2021Engine cooling. "Subaru of America, Inc. (Subaru) is initiating a new voluntary emissions recall for certain 2021 model year Ascent, Legacy, and Outback vehicles equipped with a 2.4L turbo engine. "
• 10199962Jul 28, 2021Engine cooling, Electrical system. This bulletin announces the availability of NEW reprogramming files to correct a starting condition which may occur during ambient temperatures (10 degrees Fahrenheit and lower) or in high altitude conditions.
• 10199931Jul 28, 2021Engine cooling. Subaru of America, Inc. (Subaru) is initiating a voluntary emissions recall for certain 2021 model year Ascent, Legacy, and Outback vehicles equipped with a 2.4L turbo engine, which may have damaged terminals on the engine wire harness.
• 10199954Jul 22, 2021Transmission and drivetrain. Diagnostic Information for Alleged Chain Slip Condition on TR580 / TR690 Transmissions.
• 10199951Jul 19, 2021Electrical 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.
• 10198775Jun 30, 2021Electrical system. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback
• 10198768Jun 28, 2021Engine 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).
• 10198758Jun 17, 2021Electrical system, Equipment. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
• 10198749Jun 7, 2021Equipment, Engine cooling. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
• 10198745Jun 7, 2021Equipment, Body and structure. This bulletin announces a design change made to the front door outer garnish trim.
• 10198744Jun 7, 2021Electrical system, Latches, locks and linkages. This bulletin outlines changes in the service procedure for replacement of the Power Rear Gate control module.
• 10198741Jun 1, 2021Engine cooling. This bulletin outlines changes in the service procedure for engine oil pressure inspection.
• 10194830May 21, 2021Engine 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.
• 10194847May 18, 2021Engine cooling. This bulletin outlines changes in the service procedure for scavenge pump assembly installation.
• 10194824May 4, 2021Electrical system. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
• 10194823May 3, 2021Equipment. Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
• 10191664Apr 27, 2021Wheels, Electrical system. This bulletin announces a design change made to the TPMS valve assemblies.
• 10191591Apr 21, 2021Electrical system. This bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature.
• 10191568Apr 16, 2021Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10191586Apr 9, 2021Equipment. This bulletin announces availability of new audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 10191584Apr 8, 2021Equipment. This bulletin outlines a design change to the rear bumper reflex reflectors made to enhance retention into the bumper cover.
• 10191574Apr 5, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
• 10189608Mar 29, 2021Equipment. This bulletin announces a change to the mat located in the inside tray of the center console box lid to address concerns of shrinking and deformation.
• 10188205Feb 26, 2021Equipment, Body and structure. This bulletin announces availability of new weatherstrips designed to eliminate a squeaking / chirp-type sound heard when closing the front doors.
• 10188204Feb 26, 2021Equipment, Body and structure. This bulletin announces changes made to the rear door weatherstrip to optimize their water sealing performance.
• 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.
• 10188197Feb 25, 2021Electrical system, Equipment. This bulletin provides the procedure which must be followed to properly register the Map Update Request Code assigned to the exchange CCU with the Subaru Map Update web portal.
• 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.
• 10188183Feb 17, 2021Equipment, Engine. This bulletin announces the upcoming issuance to all retailers of an essential tool update kit for the Engine Support Assembly Kit #J-50135-A.
• 10188176Feb 15, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
• 10188168Feb 5, 2021Electrical system, Equipment. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
• 10188167Feb 5, 2021Engine cooling, Electrical system. This bulletin announces availability of reprogramming files for the Engine Control Module (ECM).
• 10188162Feb 4, 2021Electrical system, Engine cooling. This bulletin announces availability of reprogramming files for the ECM. These new files will address DTC P1160 and customer concerns of extended cranking in cold temperatures.
• 10188156Feb 3, 2021Equipment, Transmission and drivetrain. Subaru of America, Inc. (Subaru) is recalling certain 2021 model year Outback and Impreza vehicles in which the CVT select lever cable nut may have been under-torqued during vehicle assembly.
• 10188152Feb 1, 2021Transmission and drivetrain, Equipment. Subaru of America, Inc. (Subaru) is recalling certain 2021 model year Outback and Impreza vehicles in which the CVT select lever cable nut may have been under-torqued during vehicle assembly.
• 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.
• 10186427Jan 21, 2021Transmission and drivetrain. Subaru of America, Inc. is recalling certain 2021 model year Outback and Impreza vehicles in which the CVT select lever cable nut may have been under-torqued during vehicle assembly.
• 10186413Jan 21, 2021Transmission and drivetrain. Subaru of America, Inc. is recalling certain 2021 model year Outback and Impreza vehicles in which the CVT select lever cable nut may have been under-torqued during vehicle assembly.
• 10186410Jan 21, 2021Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
• 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.
• 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.

← All problems reported for the 2021 Subaru Outback