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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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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
01-167-08R2021-07-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
Subarunet Announ2021-06-02. Service bulletin. ELECTRICAL SYSTEM. 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.
05-85-21R2021-05-05. Service bulletin. ELECTRICAL SYSTEM; WHEELS. This bulletin announces a design change made to the TPMS valve assemblies.
WRE-21R2021-05-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling certain 2017-2019 model year Impreza and 2018-2019 model year Crosstrek vehicles to check and, if necessary, 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.
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.
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).
Subarunet Announ2021-03-04. Service bulletin. ELECTRICAL SYSTEM. SOA821B600 Battery Supersession
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.
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.
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.
07-184-20R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a design change made to the power window main switches.
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.
15-219-18R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. 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.
WRF-202021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Subaru of America, Inc. is initiating a service program to replace the air conditioning pipe in certain 2019 model year Impreza vehicles.
15-266-20R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. This 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.
15-267-20R2021-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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.
15-242-19R2021-02-01. Service bulletin. ELECTRICAL SYSTEM. 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.
15-236-18R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Reprogramming File Availability for Optimization of Harman Gen 3.1 and Gen 3.1α Audio and Navigation Head Units.
01-168-09R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information.
15-236-18R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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.
15-219-18R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information related to error code(s) 202 and/or 204 generated during the Gen 2 telematics subscription process.

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