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Service bulletins for the 2018 Subaru WRX

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.

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

By type

By component

By trouble code

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

Bulletins, newest first
16-112-18R2022-06-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces a design change to the CVT select lever mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park.
15-192-22R2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment).
15-291-222022-03-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Going forward when a customer’s vehicle is equipped with a DCM that does not have Software version ID DCM_06.00.17_20190816 installed and they wish to subscribe to Starlink Telematics Service, the DCM must be replaced.
16-103-16R2021-11-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly.
15-195-16R2021-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM) along with a new claim submission requirement.
07-200-212021-10-04. Service bulletin. WHEELS; ELECTRICAL SYSTEM:HORN; STRUCTURE. This bulletin announces the design changes to the right front wheel apron.
09-78-212021-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of Engine Control Module (ECM) reprograming files to correct DTC P015A and/or P015B.
15-208-17R2021-08-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
15-280-21R2021-07-03. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
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
15-208-17R2021-07-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7” Navigation and 7” Display Audio head units.
15-279-21R2021-06-03. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (SOA) will be offering all active Gen1 STARLINK subscribers a complimentary Data Communication Module (DCM) update at any Subaru retailer for a predetermined period ending in February 2022. (Manual Transmission Vehicles with Push Button Start ONLY).
15-208-17R2021-06-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed equipped with F10 7” Navigation and 7” Display Audio head units.
15-280-21R2021-05-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Vehicles equipped with manual transmission and push-button start will follow DCM replacement procedure as outlined in TSB 15-279-21: Gen1 Telematics DCM Replacement for 3G Sunset which is applicable to manual transmission vehicles with push-button start ONLY.
15-280-21R2021-04-02. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
11-199-20R2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM).
11-201-212021-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.
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.
01-168-09R2021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information.
15-205-16R2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display.
15-208-17R2020-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7 Navigation and 7 Display Audio head units. When the user plays a pre-recorded CD, Gracenote recognizes the disc then shows the artist and track name information along with the album cover art on the head unit display (when available). This enhancement brings the currently installed database up to date with the most recent information available. This update does not affect any album art displayed when using SXM.
15-205-16R2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display.
06-77-20R2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). DTCs C1531 and/or C1741 may set, the Hill Holder warning lamp and cancellation alarm may activate and/or the VDC warning lamp can illuminate.
10-98-20R2020-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and/or scraping type sound.
15-271-202020-09-04. Service bulletin. ELECTRICAL SYSTEM. This service information bulletin announces discontinuation of both the "Stitcher" app and the related News Radio feature from the STARLINK app lineup effective 12 midnight on Thursday, September 24, 2020.

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