2021 Subaru Impreza technical service bulletins
335 technical service bulletins and manufacturer communications cover the 2021 Subaru Impreza.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This bulletin announces a change to the troubleshooting tree when diagnosing DTC P2404 EVAP SYSTEM LEAK...
- This bulletin the announces diagnostic procedures and availability of new Engine Control Module (ECM)...
- 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 Service Information Bulletin announces the availability of ThreeBond 1216J (SOA868V9640) designed for...
- This Service Information Bulletin announces the release of a new diagnostic assistance application for...
- This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
- This announcement provides information on the TechShare & NorthStar Intergration
- This bulletin contains illustrations of exchange components and their manufacturer as well as a...
- This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance...
- 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...
- In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited...
- This bulletin provides a procedure to address customer concerns of surface rust accumulating in the top...
- This Announcement provides diagnostic assistance for CVT issues.
- This Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when...
- This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw...
- This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on...
- 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 announces the design change made to the high-pressure fuel pump developed to prevent DTC...
- This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the...
- This bulletin provides updated parts information and a service procedure to follow for removing...
- This bulletin announces design changes made to the fuel injector and fuel pipe in response to the DTCs...
- This announcement is requesting retailer staff to retain the EyeSight protective hood covers from...
- This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced...
- This bulletin contains additional information for recommended materials listed in the Service Manuals for...
- This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced...
- 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 design change made to the high-pressure fuel pump developed to prevent DTC...
- 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 announces a design change made to the CVT Control Valve Body which enhancement was...
- This bulletin provides information on the load carrying capacity reduced label when a port-installed or...
- Subaru tech tips newsletter article locator.
- This bulletin announces the diagnostic procedures to be followed when encountering cases of the Remote...
- 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 a design change made to the CVT Control Valve Body
- This bulletin addresses cases when attempting to complete the STARLINK Telematics subscription process, an...
- In the interest of customer satisfaction Subaru of America, Inc. (SOA) is extending the New Car Limited...
- This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt...
- 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 provides information on paint codes for vehicles in the 2026 line up.
- Subaru Service Technical Support Newsletter special edition.
- This Bulletin announces the availability of a new part Extender Belt
- This announcement provides information about a Subaru of America, Inc. preliminary settlement in a class...
- In the interest of customer satisfaction Subaru of America, Inc. (SOA) is extending the New Car Limited...
- 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 the availability of new oxygen sensors developed to address the following...
- This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA...
- This bulletin announces the availability of new reprogramming files for the Subaru Rear Vehicle Detection...
- This Bulletin announces availability of a User Guide and an informative video to supplement the recent...
- This Bulletin announces the Service Manual Correction for the diagnostic procedures to be followed when...
- 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 availability of new reprograming files for the Engine Control Module (ECM)...
- 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 announces the repair procedures to be followed when DTC P1449 (EVAP System Clog Detected) is...
- This bulletin the announces diagnostic procedures and availability of new Engine Control Module (ECM)...
- 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 bulletin announces the availability of new oxygen sensors developed to address Diagnostic Trouble...
- This bulletin announces the availability of new reprogramming files for the Engine Control Module (ECM)....
- 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 announces availability of new reprograming files for the Engine Control Module (ECM)...
- 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 repair procedures when corrosion is encountered within the instrument panel...
- This bulletin announces availability of reprograming files for the Engine Control Module (ECM) to address...
- This bulletin announces the availability of new oxygen sensors developed to address the following...
- This bulletin announces the design change made to the cowl panel
- This bulletin addresses the reprogramming file availability and a software update installation procedure...
- 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 provides insight in response to both customer and retailer feedback resulting from the use...
- This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected
- This bulletin announces design changes made to the fuel injector assembly in response to the DTCs listed.
- This Service Information Bulletin announces the revised break-in procedure for the A/C compressor.
- This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420...
- This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when...
- 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 bulletin announces a design change made to the cowl panel.
- 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...
- The purpose of
- This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic...
- This Service Information Bulletin provides updated diagnostic procedures to follow and a brief...
- 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...
- This bulletin provides a procedure to address customer concerns of surface rust accumulating in the top...
- 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 Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when...
- This Bulletin announces additional cautions being added to the Owner’s Manual and Service Manual regarding...
- This bulletin announces a design change made to the rear gate stay assemblies.
- This Service Information Bulletin provides helpful procedures and best practices to utilize when customers...
- This Service Information Bulletin provides insight in response to both customer and retailer feedback...
- This Service Information bulletin has been developed for use as a quick reference tool to aid in...
- This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
- This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic...
- 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 is being released as guidance for proper testing and charging of vehicle batteries.
- This bulletin provides updated parts information and a service procedure to follow for removing...
- The purpose of
- This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES). All Gen2...
- 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 announces the Service Manual correction for the diagnostic trouble tree for DTC B281C.
- The purpose of
- 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.
- WRK-21 CVT
- Map Data Update Procedure for Harman Gen 3.1 Navigation equipped Head Units (H/U).
- This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when...
- This bulletin provides a repair procedure for R152 type rear differentials.
- This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic...
- This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
- This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
- Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units.
- This bulletin provides insight in response to both customer and retailer feedback resulting from the use...
- This bulletin announces the availability of diagnostic information regarding accessory remote engine start...
- This bulletin announces an additional service procedure for timing chain and / or cam sprocket replacement...
- On August 30, 2021, Subaru of America, Inc. initiated a new safety recall for certain 2021 model year...
- This bulletin announces design changes made to the fuel injector assembly in response to misfire DTC...
- This bulletin provides important information regarding diagnosis and replacement (when applicable) of the...
- Suspension
- This bulletin announces availability of new starter motors and ECM reprogramming files created to address...
- This bulletin announces the availability of ECM reprograming files to correct a possible limited power...
- This bulletin provides a description of current changes to Service Manuals available via the Subaru...
- This bulletin announces a design change made to the front stabilizer bar bushing clamps.
- This bulletin announces the availability of ECM reprograming files to correct a possible lack of power...
- Diagnostic Information for Alleged Chain Slip Condition on TR580 / TR690 Transmissions.
- 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 announces design changes made to the front and rear door glass run channels.
- This bulletin announces a design change made to the TPMS valve assemblies.
- This bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer...
- This bulletin announces availability of new audio unit amplifier units with revised internal logic...
- In January 2021, the replacement battery application for all Ascent and 2017- 2021 Impreza models were...
- This bulletin provides a service procedure to address a squeaking-type sound from the rear suspension area...
- This Service Information Bulletin provides updated diagnostic procedures to follow and a brief...
- SOA821B600
- This bulletin announces availability of new center console armrest covers to address the a wrinkling...
- This bulletin announces the upcoming issuance to all retailers of an essential tool update kit for the...
- This bulletin announces a design change made to the front strut dust cover to address a rubbing-type sound.
- This bulletin provides helpful information about operating conditions observed in the field for...
- Subaru of America, Inc. (Subaru) is recalling certain 2021 model year Outback and Impreza vehicles in...
- To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed...
- Subaru of America, Inc. is recalling certain 2021 model year Outback and Impreza vehicles in which the CVT...
- This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when...
- This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational...
- This bulletin provides information related to the telematics system's Automatic Collision Notification...
- This bulletin provides helpful procedures and best practices to utilize when customers present with...
- This bulletin provides an overview and basic instructions for use of the “Destination to Vehicle” feature...
- 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 Service Information Bulletin provides updated diagnostic procedures to follow when diagnosing an...
- 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.
- This Service Information Bulletin provides corrected and updated procedures to follow when replacing the...
- This Service Information Bulletin announces additional diagnostic procedures for TPMS related DTC C2921 on...
- This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic...
- Update your STARLINK Multimedia Software and Navigation Maps.
- 2021 my
- Special Service Tools Cross Reference List.
- Replacement Key and Immobilizer Info
- Diagnosis and Repair for AVCS-Related DTCs
- Event Data Recorder (EDR) Function of Airbag Module
- This bulletin provides a revised adjustment procedure to be used when diagnosing Brake Light Switch (BLS)...
- Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or...
- Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
- This Bulletin provides production change, repair procedure and parts information to address a customer...
- Oil Filler Cap Gasket Coming Unseated
- Puddle Light Recall
- Additional PDI Procedure for Installation of Tie-Down Hole Plugs
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