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Service bulletin 18-214-21

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 id10201035
Published by NHTSA2021-09-03
Manufacturer's number18-214-21
Manufacturer's date2021-08-11
NHTSA componentEQUIPMENT

NHTSA's summary

This bulletin provides a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.

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

Vehicles listed
SUBARU CROSSTREK2013 to 2015
SUBARU CROSSTREK2016, 2017, 2018, 2019, 2020, 2021
SUBARU IMPREZA2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

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

Recalls for the same vehicles and component
20152492015-06-04. Accessories
20152062015-05-15. Accessories
20130632013-02-25. Accessories
13V0610002013-02-25. EQUIPMENT; ELECTRICAL SYSTEM

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.
09-119-242024-05-02. Service bulletin. This bulletin announces the extended warranty coverage for the Thermo Control valve (TCV) used the the models listed. The coverage will be extended to (15) fifteen years / 150,000 miles.
09-80-21R2024-05-02. Service bulletin. This bulletin announces availability of a new thermo control valve assembly. The new valve contains an enhanced stainless steel internal shaft for optimized durability along with advanced water proofing for the sensor portion.
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.
15-256-19R2024-04-03. Service bulletin. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.
15-236-18R2024-04-03. Service bulletin. This bulletin addresses the reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
12-321-21R2024-04-03. Service bulletin. This bulletin announces the design change made to the cowl panel. The change was made to address a small number of cases where the rubber sealing portion becomes separated.
15-257-19R2024-04-03. Service bulletin. "This Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations, and can cause DTC B2A15, a red telematics MIL to illuminate, or recurring STARLINK notification to retailers and emails to customers. "