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Service bulletins for the 2018 Subaru Forester

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.

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

By type

By component

By trouble code

Bulletins, newest first
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.
02-187-212021-07-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin outlines changes in the service procedure for engine oil pressure inspection.
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.
09-74-21R2021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components.
18-207-212021-06-02. Service bulletin. EQUIPMENT. Description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site.
WRB-21R2021-05-05. Service bulletin. ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
Subarunet Announ2021-05-04. Service bulletin. EQUIPMENT. WRB-21 Forester condenser parts scrapping
10-98-20R2021-05-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR. 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.
15-280-21R2021-05-04. 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.
05-63-18R2021-04-02. Service bulletin. SUSPENSION. This bulletin announces a design change made to the forward bushing used in the front lower control arm to address customer concerns of a rattle-type sound and / or a possible vibration felt in the steering wheel.
Subarunet Announ2021-04-02. Service bulletin. ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
WRB-21R2021-04-02. Service bulletin. ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
15-280-21R2021-04-02. Service bulletin. ELECTRICAL SYSTEM. Gen1 Telematics Reprogramming for 3G Sunset.
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.
WRB-212021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
Subarunet Announ2021-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to check and, if necessary, replace the air conditioning condenser assembly in certain 2017 and 2018 model year Forester vehicles.
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).
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.
18-204-212021-02-01. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 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.
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.
02-131-12R2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING. The purpose of this bulletin is to provide procedures for the diagnosis and repair of oil seepage which may be coming from the timing chain cover, front camshaft cap, camshaft carrier, and/or upper oil pan.
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.

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