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Service bulletin 18-186-16

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 id10139472
Published by NHTSA2018-06-04
Manufacturer's number18-186-16
Manufacturer's date2016-05-04
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes.

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

Equipment and accessories, Labels and manuals

Vehicles listed
SUBARU FORESTER2013, 2014, 2015
SUBARU IMPREZA2011, 2012, 2013, 2014, 2015, 2016
SUBARU LEGACY2010, 2011, 2012, 2013, 2014, 2015, 2016
SUBARU OUTBACK2010, 2011, 2012, 2013, 2014, 2015, 2016
SUBARU WRX2014
SUBARU WRX2015, 2016
SUBARU WRX STI2014
SUBARU WRX STI2015, 2016 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20245462024-08-15. Label
20152492015-06-04. Accessories
20152062015-05-15. Accessories
20144132014-09-22. Accessories
13V1590002013-04-24. EQUIPMENT
20130632013-02-25. Accessories
13V0610002013-02-25. EQUIPMENT; ELECTRICAL SYSTEM
20124442012-12-27. Accessories
20113432011-09-19. Accessories

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
FAQ 15-317-24R2024-05-02. Service bulletin. T16 Warranty Extension (15-317-24R) Frequently Asked Questions.
15-317-24R2024-05-02. Service bulletin. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the Data Communication Module (DCM) Warranty from 3 years (36 months) of 36,000 miles to 8 years (96 months) or 100,000 miles, whichever comes first.
15-312-23R2024-04-03. Service bulletin. This bulletin announces repair procedures to be used when diagnosing dark current draw (parasitic draw) on vehicles equipped with Gen 1 Data Control Modules.
15-321-23R2024-04-03. Service bulletin. This bulletin provides a repair procedure when diagnosing dark current draw on vehicles with GEN 1 Data Control Modules.
15-317-24R2024-04-02. Service bulletin. Subaru has extended the Data Communication Module (DCM) warranty from 3 years 36,000mi to 8 years or 100,000mi. In rare cases, customers may experience a dead battery as a result of the DCM continually trying to access the 3G network.
Subaru notice to2024-03-04. Service bulletin. This letter provides information regarding the warranty extension for the Telematics Data Communications Module (DCM).
SubaruNet Announ2024-03-04. Service bulletin. This announcement provides information in regard to the extension of the basic new car limited warranty for the Telematics Data Communication Module (DCM). This coverage will apply to the vehicles listed for vehicles sold or leased in the United States.
15-317-242024-03-04. Service bulletin. Subaru of America, Inc. (Subaru) is extending the Data Communication Module (DCM) warranty from three years (36 months or 36K miles) to eight years (96 months or 100K miles), whichever comes first. This extension is in light of the rare cases of dead batteries experienced by customers.
15-316-242024-03-04. Service bulletin. This bulletin provides procedures required for reprogramming the Data Communication Module (DCM) in Gen 1 Subaru vehicles due to sunsetting of the 3G network.
WRE-22R2024-02-02. Service bulletin. 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.