2019 Subaru WRX Technical Service Bulletins

371 technical service bulletins (TSBs) are on record for the 2019 Subaru WRX. 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.

• 10202808Oct 4, 2021Equipment, Fuel system. WRG-21 Fuel Pump Parts Scrapping.
• 10201813Sep 29, 2021Wheels. This bulletin announces a change made to the wheel lug nuts.
• 10201799Sep 23, 2021Fuel system, Equipment. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative.
• 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.
• 10201804Sep 20, 2021Electrical 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.
• 10201798Sep 13, 2021Electrical system, Body and structure, Wheels. This bulletin announces the design changes to the right front wheel apron.
• 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).
• 10201029Aug 25, 2021Fuel system. Subaru of America, Inc. (Subaru) is initiating a new safety recall in which the fuel pump may become inoperative.
• 10201055Aug 24, 2021Fuel system. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative.
• 10201027Aug 4, 2021Seat belts, Seats. This bulletin provides a procedure to address customer concerns of a squeaking sound originating from where the front seat belt buckle assembly attaches to the seat frame.
• 10199934Jul 30, 2021Electrical system, Engine cooling. This bulletin announces the availability of Engine Control Module (ECM) reprograming files to correct DTC P015A and/or P015B.
• 10199932Jul 29, 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.
• 10199966Jul 28, 2021Electrical 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.
• 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).
• 10198765Jun 23, 2021Transmission and drivetrain. This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
• 10198758Jun 17, 2021Equipment, Electrical system. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
• 10198680Jun 16, 2021Electrical system. This bulletin announces availability of a new reprograming file for the telematics system.
• 10198774Jun 8, 2021Electrical 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.
• 10198749Jun 7, 2021Engine cooling, Equipment. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
• 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.
• 10194841May 13, 2021Equipment. Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
• 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.
• 10191580Apr 5, 2021Visibility (wipers, defrost, mirrors). This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and / or scraping type sound.
• 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.
• 10188173Feb 12, 2021Equipment, Electrical system. This bulletin provides helpful information about operating conditions observed in the field for Technicians to use when diagnosing customer concerns which may arise while operating Harman Gen 3 Navigation and Display Audio systems.
• 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.
• 10188164Feb 4, 2021Engine cooling, Electrical system. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM).
• 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.
• 10186347Jan 22, 2021Engine 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.
• 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.
• 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.
• 10186366Jan 12, 2021Equipment, Transmission and drivetrain, Engine cooling. This bulletin announces a design change to the clutch release bearing.
• 10186363Jan 12, 2021Seat belts, Seats. This bulletin provides a procedure to address customer concerns of a squeaking sound originating from where the front seat belt buckle assembly attaches to the seat frame.
• 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.
• 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.
• 10185083Dec 15, 2020Seat belts, Equipment. This bulletin provides a procedure to address customer concerns of a squeaking sound originating from where the front seat belt buckle assembly attaches to the seat frame.
• 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.
• 10185067Dec 7, 2020Engine cooling, Body and structure. This bulletin announces a design change made to the front hood air intake duct.
• 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.
• 10185062Dec 1, 2020Transmission and drivetrain. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.
• 10183708Nov 23, 2020Equipment. Map update for Harman Gen 3.1 Navigation Equipped Head Units.
• 10183697Nov 10, 2020Suspension. This bulletin announces design changes made to certain rear shock absorbers used on the models listed.
• 10183714Nov 9, 2020Transmission and drivetrain. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
• 10183689Nov 4, 2020Transmission and drivetrain, Equipment. This bulletin provides additional repair procedures to follow when replacing a leaking clutch master cylinder on certain vehicles.
• 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.
• 10182192Oct 21, 2020Equipment, Electrical system. This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and/or scraping type sound.
• 10182229Oct 20, 2020Equipment, Body and structure. This bulletin outlines changes made to the rear shelf trim to address customer concerns of a rattling sound heard while driving over bumpy / rough roads.

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