2021 Subaru WRX technical service bulletins
224 technical service bulletins and manufacturer communications cover the 2021 Subaru WRX.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This is an update announcement regarding the TechShare & NorthStar Integration
- This announcement provides information on the connected services platform for Subaru EVs.
- This bulletin provides a step-by-step diagnostic procedure for resolving Remote Engine Start (RES)...
- This Service Information Bulletin has been developed to outline the steps for gathering basic but...
- This announcement provides information on DCM replacememts due to a parasitic draw.
- This announcement provides information on an outage affecting the Subaru Select Monitor 5 application.
- This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM) for...
- This Service Information Bulletin announces the availability of ThreeBond 1216J (SOA868V9640) designed for...
- This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
- This bulletin contains illustrations of exchange components and their manufacturer as well as a...
- This Bulletin announces additional troubleshooting steps for the following DTCs: DTC C1956: RH Actuator...
- This bulletin provides paint code information for 2027 model year vehicles.
- This announcement provides an update to all 2027 model year Subaru warranty coverages for wear items and...
- This bulletin has been developed to outline the steps for gathering basic but essential information during...
- This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw...
- This Bulletin has been developed to outline the steps for gathering basic but essential information during...
- Techtips newsletter locator index.
- This bulletin contains illustrations of exchange components and their manufacturer as well as a...
- This bulletin provides updated parts information and a service procedure to follow for removing...
- This announcement is requesting retailer staff to retain the EyeSight protective hood covers from...
- This bulletin contains additional information for recommended materials listed in the Service Manuals for...
- This bulletin provides updated parts information and a service procedure to follow for removing...
- This announcement provides information on the remanufactured CVT transmission program.
- This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE...
- This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
- This bulletin announces the service manual correction regarding clutch master cylinder reservoir service...
- This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of...
- This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C)...
- This bulletin contains information to help when attempting to complete the STARLINK Telematics...
- This announcement provides information on the use of aftermarket services or tools for programming...
- This Service Information Bulletin was developed to provide interim guidance for 2026 model year vehicles...
- This Subaru service and technical support line newsletter provides information on the next phase of TechShare.
- This announcement has been created to address difficulties with software updates on Subaru Select Monitors...
- This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
- This bulletin announces the diagnostic procedures to be used when DTCs P2096 (POST CATALYST FUEL TRIM...
- This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for...
- This bulletin contains illustrations of exchange components and their manufacturer as well as a...
- Subaru service article locator.
- This bulletin provides information on the load carrying capacity reduced label when a port-installed or...
- Subaru tech tips newsletter article locator.
- This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw...
- This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt...
- This Bulletin outlines a comprehensive update to the dark current/parasitic draw diagnosis & testing...
- This bulletin announces the design change made to the steering gearbox harness
- This bulletin addresses cases when attempting to complete the STARLINK Telematics subscription process, an...
- This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt...
- In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited...
- This Bulletin provides helpful procedures and best practices to utilize when customers present with...
- Subaru of America, Inc. will release an OTA to perform a software update to the DCM. This is a preventive OTA.
- This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the...
- This bulletin announces the availability of reprogramming files designed to improve the functionality of...
- This bulletin provides information on paint codes for vehicles in the 2026 line up.
- Subaru Service Technical Support Newsletter special edition.
- This announcement provides information about a Subaru of America, Inc. preliminary settlement in a class...
- This OTA is released to address Telematic functions that may stop working after a certain amount of time...
- The following information addresses reprogramming file availability and a software update installation...
- This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1...
- This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C)...
- This announcment provides information on the release of the latest software updates to the Subaru...
- This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
- This announcement is to bring attention to the OTA for In-vehicle service appointment scheduler and...
- This Service Information bulletin announces the new procedure and Warranty Fail Code for FirstTime air...
- The following information addresses reprogramming file availability and a software update installation...
- The purpose of
- This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C)...
- This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC...
- This bulletin announces design changes made to the rear axle hubs
- This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA...
- This Bulletin announces availability of a User Guide and an informative video to supplement the recent...
- The purpose of
- In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited...
- This Bulletin has been developed to outline the steps for gathering basic but essential information during...
- When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204...
- This bulletin announces the Warranty Extension for the Data Communication Module (DCM) up to 8 years (96...
- This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC...
- This announcement is in regard to special service tool shipment will be shipped directly to the Subar...
- This bulletin gives information on extended New Car Limited Warranty for CP1 and Gen 3.1 Head Units.
- Electrical system
- A head unit OTA will be available via cellular network for Mid and High Grade CP1.5 head units.
- This bulletin is for information purposes only.The bulletin adresses design changes of the headlamps and...
- This annocement is to inform dealers to the Gen 3.1 Head Unit OTA will be available via Wi-Fi. The update...
- This bulletin details an important regulation issued by the federal safety agency which impacts the way...
- This Service Information Bulletin announces the preferred practices to be used when handling vehicles...
- The CP1.5 RCs OTA is available for all mid and high grade CP1.5 head units.
- This Service Information bulletin is being released as guidance for proper testing and charging of vehicle...
- This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing...
- This bulletin announces availability of the NEW genuine Subaru engine oil filter.
- This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to...
- This Service Information Bulletin announces important diagnostic information to utilize when the Data...
- This bulletin contains illustrations of exchange components and their manufacturer as well as a...
- This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1...
- This annoucement provides parts personnel information about remanufactured transmissions that will no...
- This announcement provides information for retailers to install the latest infotainment system software...
- This bulletin announces important diagnostic information to utilize when testing the Data Communication...
- This announcement provides information on Takata Recall Escalated Towing Program.
- This thermo control valve video contains information on the replacement of thermo control valve.
- This Bulletin provides SOA paint codes to help eliminate possible confusion for 2025 MY vehicles.
- This bulletin addresses reprogramming file availability and a software update installation procedure to...
- This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.
- This information announces reprograming file availability for Gen 4.5 Denso CP1.5 Audio and Navigation systems
- This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid...
- This bulletin announces the diagnostic procedures to be followed when encountering cases of the Remote...
- This bulletin addresses the reprogramming file availability and a software update installation procedure...
- This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative...
- This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics...
- This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational...
- This bulletin announces the availability of a Data Communication Module (DCM) bypass box
- This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420...
- This Bulletin announces additional information regarding error codes 1403- 1407 encountered when...
- This Service Information Bulletin announces additional diagnostic procedures and a detailed flow chart to...
- This Service Information Bulletin has been developed to outline the steps for gathering basic but...
- This Bulletin provides reference tables and photos to use for determining the infotainment head unit...
- This bulletin announces the recommended cleaning procedures to followed when encountering vehicles with...
- This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns...
- This Service Information Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start...
- Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units (H/U).
- This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when...
- This Service Information Bulletin provides helpful procedures and best practices to utilize when customers...
- This Service Information bulletin has been developed for use as a quick reference tool to aid in...
- This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer...
- This bulletin announces a design change made to the front stabilizer bushings.
- This bulletin provides updated parts information and a service procedure to follow for removing...
- This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES). All Gen2...
- WRE-22
- The purpose of
- Special Edition, 2012 current model subaru evaporative diagnostics and smoke testing.
- This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2...
- The following information addresses reprogramming file availability and a software update installation...
- This bulletin has been developed to outline the steps for gathering basic essential information during...
- This bulletin provides helpful tips to better utilize the Subaru Select Monitor 4.
- Map Data Update Procedure for Harman Gen 3.1 Navigation equipped Head Units (H/U).
- This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
- Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units.
- This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with...
- This bulletin provides important information regarding diagnosis and replacement (when applicable) of the...
- This bulletin announces the design changes to the right front wheel apron.
- This bulletin announces availability of ECM reprogramming files to address isolated concerns of inaccurate...
- This bulletin contains additional information for recommended materials listed in the Service Manuals for...
- This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
- This bulletin outlines changes in the service procedure for engine oil pressure inspection.
- This bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer...
- This bulletin provides helpful information about operating conditions observed in the field for...
- To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed...
- This bulletin provides information related to the telematics system's Automatic Collision Notification...
- This bulletin provides important information regarding diagnosis and replacement of the STARLINK...
- This bulletin provides information related to error code 202 and/or 204 generated during the Gen 2...
- Reprogramming File Availability for Optimization of Harman Gen 3.1 and Gen 3.1α Audio and Navigation Head...
- The purpose of
- This bulletin provides information related to error code(s) 202 and/or 204 generated during the Gen 2...
- Map update for Harman Gen 3.1 Navigation Equipped Head Units.
- Update for STARLINK Multimedia Software
- Update your STARLINK Multimedia Software and Navigation Maps.
- 2021 my
- Special Service Tools Cross Reference List.
- All Models (Vehicle Cleaning- COVID-19Best Practices)
- This Bulletin provides information regarding DTC P0606 related specifically to the determination of this...
- This bulletin provides a service procedure to address isolated customer concerns of a rattling sound...
- New Vehicle Receipt- Navigation SD Card Transit Storage Location Change
- Replacement Key and Immobilizer Info
- Event Data Recorder (EDR) Function of Airbag Module
- Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or...
- Oil Filler Cap Gasket Coming Unseated
- Puddle Light Recall
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