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Service bulletins for the 2018 Subaru Crosstrek

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.

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

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Bulletins, newest first
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.
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.
15-280-21R2021-04-02. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
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).
12-311-212021-03-04. Service bulletin. STRUCTURE; VISIBILITY:WINDSHIELD:CRITICAL FASTENERS; EQUIPMENT. This bulletin announces a design change made to the windshield side cowl panels to address isolated concerns of a buzzing / rattle-type sound heard while driving.
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.
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.
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.
15-240-19R2021-03-04. 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.
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.
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.
12-299-20R2021-02-01. Service bulletin. SEATS; EQUIPMENT. This bulletin announces a design change made to the outer hinge cover on the driver’s 10-way adjustable power seats.
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.
03-82-18R2021-02-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; POWER TRAIN:CLUTCH ASSEMBLY; EQUIPMENT. This bulletin announces a design change to the clutch release bearing.
12-203-16R2021-02-01. Service bulletin. SEAT BELTS; SEATS. 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.
01-168-09R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information.
05-79-202021-01-05. Service bulletin. WHEELS. This Service Information Bulletin announces a change made to the wheel lug nuts.
16-132-20R2021-01-05. Service bulletin. POWER TRAIN; EQUIPMENT. This Service Information Bulletin provides updated diagnostic procedures to follow when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions.
15-211-17R2021-01-05. 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 Harman Gen 3 Audio and Navigation head units.
12-203-16R2021-01-05. Service bulletin. SEAT BELTS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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.
12-203-16R2021-01-05. Service bulletin. SEAT BELTS; SEATS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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.

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