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Service bulletins for the 2019 Subaru Impreza

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

530 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
Subarunet Announ2021-05-04. Service bulletin. ENGINE AND ENGINE COOLING. Subaru of America, Inc. (Subaru) is recalling certain 2017-2019 model year Impreza and 2018-2019 model year Crosstrek vehicles to check and/or update the ECM programming, and to replace all four ignition coils in each vehicle.
15-282-21R2021-05-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature.
15-240-19R2021-05-04. Service bulletin. EQUIPMENT. This bulletin announces availability of new audio unit amplifier units with revised internal logic designed to optimize efficiency.
Subarunet Announ2021-05-04. Service bulletin. TIRES. Please be advised that Continental Tire the Americas, LLC (CTA) has issued a safety recall for multiple tire lines, within the filing of NHTSA safety recall ID 21T-001.
WRC-21R2021-05-04. Service bulletin. TIRES. Continental Tire the Americas, LLC (CTA) has issued a safety recall for multiple tire lines, within the filing of NHTSA safety recall ID 21T-001. This additional CTA recall includes 93,959 potentially defective tires sold as original equipment (OE) tires and replacement tires, for various vehicle makes and models.
Subarunet Announ2021-05-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Subaru of America, Inc. (Subaru) is recalling certain 2017-2019 model year Impreza and 2018-2019 model year Crosstrek vehicles to check and/or update the ECM programming, and to replace all four ignition coils in each vehicle.
Subarunet Announ2021-04-02. Service bulletin. ELECTRICAL SYSTEM. In January 2021, the replacement battery application for all Ascent and 2017- 2021 Impreza models were changed from part number SOA821B200 to part number SOA821B600.
06-82-212021-04-02. Service bulletin. SUSPENSION. This bulletin provides a service procedure to address a squeaking-type sound from the rear suspension area customers may hear when going over bumps.
11-200-20R2021-03-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
05-76-20R2021-03-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS:HUB. This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
Subarunet Announ2021-03-04. Service bulletin. ELECTRICAL SYSTEM. SOA821B600 Battery Supersession
12-312-212021-03-04. Service bulletin. EQUIPMENT; STRUCTURE. This bulletin announces availability of new center console armrest covers to address the a wrinkling condition.
14-27-212021-03-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin announces the upcoming issuance to all retailers of an essential tool update kit for the Engine Support Assembly Kit #J-50135-A.
07-184-20R2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This bulletin announces a design change made to the power window main switches.
05-82-212021-03-04. Service bulletin. EQUIPMENT; SUSPENSION. This bulletin announces a design change made to the front strut dust cover to address a rubbing-type sound.
15-221-18R2021-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides helpful information about operating conditions observed in the field for Technicians to use when diagnosing customer concerns which may arise while operating Harman Gen 3 Navigation and Display Audio systems.
15-236-18R2021-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units.
15-240-19R2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
16-132-20R2021-03-04. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
Subarunet Announ2021-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to replace the air conditioning pipe in certain 2019 model year Impreza vehicles.
14-22-16R2021-02-18. Service bulletin. EQUIPMENT. 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.
07-184-20R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a design change made to the power window main switches.
18-205-202021-02-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
15-257-19R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
16-132-20R2021-02-01. Service bulletin. POWER TRAIN. This bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged chain slip condition on the TR580 and TR690 model CVT transmissions.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.