Technical Service Bulletins (TSBs) for the 2021 WRX are official communications between Subaru & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This bulletin provides a service procedure to address isolated customer concerns of a rattling sound identified as coming from the Electronic Power Steering (EPS) gear box (steering rack) assembly. Read More »
This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM). Read More »
This Service Information Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. Read More »
This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »
This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components. Read More »
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). Read More »
This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE. Read More »
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). Read More »
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components. Read More »
This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models. Read More »
Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SUMP/TANK:DRAIN PLUG
This bulletin announces availability of ECM reprogramming files to address isolated concerns of inaccurate values being displayed when accessing Lifetime Tracking Data using the Subaru Select Monitor and / or a Generic Scan Tool (GST). Read More »
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). Read More »
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). Read More »
This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. Read More »
This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. Read More »
This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This bulletin addresses the 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. Read More »
This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription. Read More »
This bulletin announces the availability of a Data Communication Module (DCM) bypass box. This has been designed as an alternative replacement part for vehicles without active STARLINK subscriptions. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
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. Read More »
This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru. Read More »
The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3. Read More »
This Bulletin announces additional information regarding error codes 1403- 1407 encountered when attempting an adjustment/calibration of the EyeSightA? system after body repair procedures have been performed. Read More »
This Service Information Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »
This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. Read More »
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. Read More »
This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »
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. Read More »
This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru. Read More »
When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully. Read More »
This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »
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. Read More »
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. Read More »
This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
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. Read More »
This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. Read More »
This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINKA? Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer. Read More »
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. Read More »
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. Read More »
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). Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
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. Read More »
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. Read More »
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. Read More »
This bulletin announces availability of ECM reprogramming files to address isolated concerns of inaccurate values being displayed when accessing Lifetime Tracking Data using the Subaru Select Monitor and / or a Generic Scan Tool (GST). Read More »
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. Read More »
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. Read More »
This bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. Read More »
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. Read More »
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. Read More »
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. Read More »
This bulletin provides important information regarding diagnosis and replacement of the STARLINK Telematics Data Communication Module (DCM). This update is applicable to all models equipped with a STARLINK Telematics System. Read More »
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. Read More »
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. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models. Read More »
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. Read More »
The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »
This Bulletin announces additional information regarding error codes 1403- 1407 encountered when attempting an adjustment/calibration of the EyeSightA? system after body repair procedures have been performed. Read More »
This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru. Read More »
This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »
This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINKA? Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This bulletin addresses the 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. Read More »
This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »
This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription. Read More »
This bulletin announces the availability of a Data Communication Module (DCM) bypass box. This has been designed as an alternative replacement part for vehicles without active STARLINK subscriptions. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
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. Read More »
This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM). Read More »
This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru. Read More »
The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3. Read More »
This Bulletin announces additional information regarding error codes 1403- 1407 encountered when attempting an adjustment/calibration of the EyeSightA? system after body repair procedures have been performed. Read More »
This Service Information Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »
This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. Read More »
This bulletin announces the recommended cleaning procedures to followed when encountering vehicles with long time exposure to pollen on painted surfaces on vehicles imported from Japan. This bulletin does not apply to SIA built vehicles. Read More »
This Service Information Bulletin provides the diagnostic procedure for the STARLINKA? Remote Engine Start (RES). All Gen2 and Gen3 Telematics Equipped Models. Read More »
This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru. Read More »
When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully. Read More »
This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features. Read More »
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. Read More »
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. Read More »
This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
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. Read More »
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. Read More »
This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. Read More »
This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINKA? Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer. Read More »
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. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE. Read More »
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. Read More »
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. Read More »
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. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
This bulletin provides important information regarding diagnosis and replacement of the STARLINK Telematics Data Communication Module (DCM). This update is applicable to all models equipped with a STARLINK Telematics System. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3. Read More »
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. Read More »
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. Read More »
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. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. Read More »
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. Read More »
This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed. Read More »
This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »
This Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINKA? Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer. Read More »
This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models. Read More »
