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Service bulletin 12-246-18

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10143879
Published by NHTSA2018-08-20
Manufacturer's number12-246-18
Manufacturer's date2018-07-23
NHTSA componentSTRUCTURE

NHTSA's summary

This bulletin provides a procedure for diagnosing and repairing customer concerns of a "popping" or "snapping" -type sound heard when opening the sunroof. The sound may occur when the rear portion of the glass lid weatherstrip contacts or catches the roof frame when the sunroof is opened.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
SUBARU LEGACY2015, 2016, 2017, 2018
SUBARU OUTBACK2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20164872016-10-06. Structure

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
13-108-252025-09-02. Service bulletin. This bulletin provides information on paint codes for vehicles in the 2026 line up.
1080142023-04-24. Service bulletin. Whistling Sound from Side Dash Vents
12176142023-03-20. Service bulletin. Service Procedure to Address a Wind Rushing Sound from the Front Door Sash Area
12-192-15R2021-03-04. Service bulletin. Subaru of America, Inc. (SOA) Quality Assurance has identified an increase in the number of cracked windshields on some 2015 and 2016MY Legacy and Outback models. SOA has now further extended the warranty to 8 years / unlimited miles.
07-182-20R2021-02-01. Service bulletin. This bulletin provides details regarding the cause of a whining-type sound customers may have concern about when operating their power door locks (lock and/or unlock).
07-179-202020-11-05. Service bulletin. This bulletin announces a design change made to the PRG control module.
07-173-202020-04-02. Service bulletin. This Service Information Bulletin provides insight on how to address a customer concern of the rear hatch, Power Rear Gate (PRG) or trunk release operating (or finding the PRG/trunk open unexpectedly after parking) without a specific input (button press) from the operator.
12-246-18R2019-08-06. Service bulletin. This bulletin provides a procedure for diagnosing and repairing customer concerns of a “popping” or “snapping” -type sound heard when opening the sunroof. The sound may occur when the rear portion of the glass lid weatherstrip contacts or catches the roof frame when the sunroof is opened.
10-91-192019-07-22. Service bulletin. This bulletin announces availability of a new heater control assembly to address a small number of customer concerns about peeling of the surface finish / coating. Insufficient clearance between the heater control and the audio unit face above may cause a whitish or cloudy appearance and peeling to develop.
12-249-182018-10-01. Service bulletin. This Service Information bulletin advises of a design change made to the rear body panel. This panel is located between the trunk and the rear glass and incorporates the package shelf. It has been re-designed with convex surfaces added to prevent items going into or out of the trunk from being scratched or caught by the rear edges of the reinforcement panels.