Vehicle report

2020 SUBARU WRX STI

Service bulletins

112 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

15-308-23R

Service Bulletin/Repair Instructions

This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts.This is an revised version of the original bulletin.

15-304-22R

Service Bulletin/Repair Instructions

This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)

Article Locator

Other

Techtips newsletter locator index.

15-333-25R

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin

SubaruNet Annoucement (E

Other

This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.

01-167-08R

Service Bulletin/Repair Instructions

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

SubaruNet Announcement (R

Other

This announcement provides information on the remanufactured CVT transmission program.

07-240-26R

Service Bulletin/Repair Instructions

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

03-97-26

Service Bulletin/Repair Instructions

This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.

05-97-26

Service Bulletin/Repair Instructions

This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.

10-105-25R

Service Bulletin/Repair Instructions

This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

15-219-18R

Service Bulletin/Repair Instructions

This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully

SubaruNet Announcement (A

Other

This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.

Subaru Tech Tips Special

Service Bulletin/Repair Instructions

This Subaru service and technical support line newsletter provides information on the next phase of TechShare.

15-300-22R

Service Bulletin/Repair Instructions

This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).

Subarunet Announcement (E

Other

This announcement has been created to address difficulties with software updates on Subaru Select Monitors with DST-010 interface firmware has been updated.

05-84-21R

Service Bulletin/Repair Instructions

This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.

18-226-25R

Service Bulletin/Repair Instructions

This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).

15-333-25

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

Subaru Tech Tips (Article

Other

Subaru service article locator.

15-130-08R

Service Bulletin/Repair Instructions

This bulletin provides information on the load carrying capacity reduced label when a port-installed or retailer-installed accessory exeeds 1.5 percent of the GVWR or 100 pounds, which ever is lower.

07-233-25R

Service Bulletin/Repair Instructions

This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory.

07-236-25

Service Bulletin/Repair Instructions

This Bulletin outlines a comprehensive update to the dark current/parasitic draw diagnosis & testing procedures.

07-235-25

Service Bulletin/Repair Instructions

In the interest of customer satisfaction Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage in the models listed. The extension will address instances of “phantom braking” or the EyeSight/RAB systems causing unnecessary stoppage/slowing of the vehicle.

07-233-25

Service Bulletin/Repair Instructions

This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory wjhich must be tested and reported every 30 days.

15-266-20R

Service Bulletin/Repair Instructions

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.

15-322-25R

Service Bulletin/Repair Instructions

In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Warranty coverage for the CP1 & Gen 3.1 Head Unit used in the listed models and model years to (8) eight years / 150,000 miles to cover certain qualifying repairs to the infotainment audio system.

15-320-24R

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

SubaruNet Announcement

Other

Subaru of America, Inc. will release an OTA to perform a software update to the DCM. This is a preventive OTA.

13-108-25

Service Bulletin/Repair Instructions

This bulletin provides information on paint codes for vehicles in the 2026 line up.

Subaru Service Technical

Other

Subaru Service Technical Support Newsletter special edition.

15-236-18R

Service Bulletin/Repair Instructions

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.

SubaruNet Annoucement

Other

This announcment provides information on the release of the latest software updates to the Subaru Midtronics DSS-5000 Battery Diagnostic tool.

15-251-19R

Service Bulletin/Repair Instructions

This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.

SubaruNet Announcement (S

Other

This announcement is to bring attention to the OTA for In-vehicle service appointment scheduler and In-vehicle message center.

01-168-09R

Service Bulletin/Repair Instructions

The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

15-318-24R

Service Bulletin/Repair Instructions

This bulletin announces the Warranty Extension for the Data Communication Module (DCM) up to 8 years (96 months) or 150,000 miles (whichever comes first) to address a dead battery resulting from excessive dark current draw caused by the DCM, due to internal memory corruption.

02-192-24R

Service Bulletin/Repair Instructions

This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.

09-131-25

Service Bulletin/Repair Instructions

This bulletin announces the diagnostic procedures and availability of reprograming files to rectify the following Diagnostic Trouble Codes (DTCs). The ELCM may accumulate condensation causing the inaccurate detection of P2404. P0420 may become falsely detected due to unstable combustion caused by a downshift. The new reprogramming files contains enhanced software allowing for condensation conditions and downshift rotational speeds be more accurately detected by the Engine Control Module (ECM).

14-31-25

Service Bulletin/Repair Instructions

This Bulletin announces availability of a User Guide and an informative video to supplement the recent releases to retailers of the SOA321152 and SOA321153 Terminal Test Kits.

09-51-08R

Service Bulletin/Repair Instructions

The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.

Subarunet Announcement

Other

This announcement is in regard to special service tool shipment will be shipped directly to the Subar retailers during February.

15-322-25

Service Bulletin/Repair Instructions

This bulletin gives information on extended New Car Limited Warranty for CP1 and Gen 3.1 Head Units.

RC5 Head Unit OTA

Other

A head unit OTA will be available via cellular network for Mid and High Grade CP1.5 head units.

Subarunet Announcement (

Other

This announcement provides dealers information on an effort to increase the completion rate for the WRE-22 safety recall.

09-129-24R

Service Bulletin/Repair Instructions

In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the Warranty coverage time period for the fuel pump impeller to 15 years.

07-59-07R

Service Bulletin/Repair Instructions

This bulletin is for information purposes only.The bulletin adresses design changes of the headlamps and rear combination lamps, where moisture and or condensation may develop on the inside of the lamp lenses.

15-298-22R

Service Bulletin/Repair Instructions

This Service Information Bulletin announces the preferred practices to be used when handling vehicles equipped with Gen2 Telematics which are enrolled in the Subaru STARLINK® Security Plus Service featuring Stolen Vehicle Recovery Plus with Immobilizer.

02-192-24

Service Bulletin/Repair Instructions

This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.

07-178-21R

Service Bulletin/Repair Instructions

This Service Information bulletin is being released as guidance for proper testing and charging of vehicle batteries.

15-320-24

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

02-191-22R

Service Bulletin/Repair Instructions

This bulletin announces availability of the NEW genuine Subaru engine oil filter.

03-94-24

Service Bulletin/Repair Instructions

This bulletin outlines the judgment criteria to be used when inspecting front transverse link bushings to reduce unnecessary bushing replacement.

Thermo Control Valve Vide

Other

This thermo control valve video contains information on the replacement of thermo control valve.

13-107-24

Service Bulletin/Repair Instructions

This Bulletin provides SOA paint codes to help eliminate possible confusion for 2025 MY vehicles.

05-91-24

Service Bulletin/Repair Instructions

This Bulletin provides guidance for diagnosing a leaking front or rear suspension strut.

06-90-24

Service Bulletin/Repair Instructions

This bulletin provides diagnosis and procedure information to be applied when diagnosing potential fluid leaks on front and rear brake calipers. This information has been developed to reduce unnecessary brake caliper replacement.

FAQ 15-318-24R

Service Bulletin/Repair Instructions

T16 VoLTE Warranty Extension (15-318-24R) Frequently Asked Questions.

15-242-19R

Service Bulletin/Repair Instructions

This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.

WRE-22R

Service Bulletin/Repair Instructions

Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective back-up lamp switch.

SubaruNet Announ

Service Bulletin/Repair Instructions

Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective backup lamp switch.

07-207-22R

Service Bulletin/Repair Instructions

In the interest of customer satisfaction, Subaru of America, Inc. is extending the New Car Basic Warranty coverage for the 12 Volt batteries used in the above listed models and model years beyond the original three (3) years or thirty six thousand miles (36,000), whichever comes first.

15-282-21R

Service Bulletin/Repair Instructions

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.

15-285-21R

Service Bulletin/Repair Instructions

This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

12-249-23R

Service Bulletin/Repair Instructions

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.

15-255-19R

Service Bulletin/Repair Instructions

Map Data Update Procedure for Harman Gen 3.1 Navigation Equipped Head Units (H/U).

WRE-22

Service Bulletin/Repair Instructions

Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective back-up lamp switch.

15-302-22

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

Subaru Tech Tips

Service Bulletin/Repair Instructions

Special Edition, 2012 current model subaru evaporative diagnostics and smoke testing.

12-203-16R

Service Bulletin/Repair Instructions

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.

18-220-22

Service Bulletin/Repair Instructions

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.

15-192-22R

Service Bulletin/Repair Instructions

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).

01-175-16

Service Bulletin/Repair Instructions

This bulletin provides helpful tips to better utilize the Subaru Select Monitor 4.

15-249-19R

Service Bulletin/Repair Instructions

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.

05-79-20R

Service Bulletin/Repair Instructions

This bulletin announces a change made to the wheel lug nuts.

18-212-21

Service Bulletin/Repair Instructions

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.

18-210-21

Service Bulletin/Repair Instructions

Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.

05-84-21

Service Bulletin/Repair Instructions

This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.

15-221-18R

Service Bulletin/Repair Instructions

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.

11-201-21

Service Bulletin/Repair Instructions

This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.

14-22-16R

Service Bulletin/Repair Instructions

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.

05-79-20

Service Bulletin/Repair Instructions

This Service Information Bulletin announces a change made to the wheel lug nuts.

12-305-20

Service Bulletin/Repair Instructions

This bulletin announces a design change made to the front hood air intake duct.

4-26-20

Service Bulletin/Repair Instructions

This bulletin describes a design change to the replacement hydraulic-type steering gearbox assembly.

10-19-20

Service Bulletin/Repair Instructions

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.

12-301-20

Service Bulletin/Repair Instructions

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.

18-201-20

Service Bulletin/Repair Instructions

The purpose of this bulletin is to provide a desription of current changes to service manuals available via the Subaru Technical Information System (STIS) web site.

18-200-20

Service Bulletin/Repair Instructions

This bulletin provides a description of current changes to Service Manuals.

15-266-20

Service Bulletin/Repair Instructions

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 Telematics system equipped Subaru.

15-195-16R

Service Bulletin/Repair Instructions

This Service Information bulletin provides IMPORTANT information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DMC).

06-76-20

Service Bulletin/Repair Instructions

This service Information bulletin provides precautions to follow when servicing the Brembo brake calipers utilized on the models listed. Because of their aluminum construction, it is critcal to take extra care when servicing.

01-183-20

Service Bulletin/Repair Instructions

Vehicle repair program for customers affected by the COVID-19 quarantine.

01-181-20

Service Bulletin/Repair Instructions

All Models (Vehicle Cleaning- COVID-19Best Practices)

17-17-13R

Service Bulletin/Repair Instructions

This bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.

18-199-20

Service Bulletin/Repair Instructions

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.

Subarunet Announ

Service Bulletin/Repair Instructions

Required S209 Under Spoiler Installation.

15-227-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to follow when diagnosing customer concerns of the Navigation system’s functionality. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern.

15-228-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to follow when diagnosing a customer concern of the display screen being either frozen (unresponsive) or black (blank). Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. If the concern you have is not listed, check the Service Manual “Infotainment (Diagnostics) > Diagnostics with Phenomena” section as a starting point.

15-231-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to use when diagnosing specific and general audio/sound related concerns. Please start by completing the Harman Investigation Guide-Questionnaire as it gathers important details which will assist you with this diagnosis and is required should the condition not be resolved by this troubleshooting. Once the questionnaire is completed, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning to understand the flow for the listed concerns.

15-220-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and / or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.

15-226-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to follow when diagnosing customer concerns regarding USB functionality. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern.

15-229-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to follow when diagnosing clock-related customer concerns. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. If the concern you have is not listed, check the Service Manual “Infotainment (Diagnostics) - Diagnostics with Phenomena” section as a starting point.

15-230-18R

Service Bulletin/Repair Instructions

This bulletin provides troubleshooting steps to follow when diagnosing customer concerns involving Bluetooth (BT) functionality. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. Please apply the information captured in the checklist to the Harman Investigation Guide Questionnaire. If the concern you have is not listed, check the Service Manual “Infotainment (Diagnostics) - Diagnostics with Phenomena” section as a starting point.

15-247-19R

Service Bulletin/Repair Instructions

This Service Information Bulletin announces availability of a map update which includes new software to address a route searching error. A “Route Calculation Unsuccessful” message may be displayed when the selected route crosses state borders (e.g. Route 53 which crosses between Alabama and Tennessee).

15-253-19

Service Bulletin/Repair Instructions

This Service Information Bulletin provides the answer to potential inquiries regarding the STARLINK app being unable to play music files stored on a customer’s Android® phone / device through the head units (H/U) used in the applicable models listed above. This information is applicable ONLY to Android devices operating with Operating System (OS) version 10. IOS (AppleTM) devices are not affected.

Announcement

Service Bulletin/Repair Instructions

New Vehicle Receipt- Navigation SD Card Transit Storage Location Change

0116809R

Service Bulletin/Repair Instructions

Replacement Key and Immobilizer Info

171713R

Service Bulletin/Repair Instructions

Event Data Recorder (EDR) Function of Airbag Module

037314

Service Bulletin/Repair Instructions

This bulletin informs of a design change to the reverse idler gear and its internal spring along with a revised assembly procedure. The only purpose for the change was to enhance production efficiency.

Announcements-2

Service Bulletin/Repair Instructions

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.

0214013

Service Bulletin/Repair Instructions

Oil Filler Cap Gasket Coming Unseated

WQE41-1

Service Bulletin/Repair Instructions

Puddle Light Recall

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.