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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
15-282-21R2023-06-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. This Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature.
02140132023-03-20. Service bulletin. ENGINE AND ENGINE COOLING. Oil Filler Cap Gasket Coming Unseated
Announcements-22023-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER. Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first.
15-257-19R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
09-100-232023-02-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of reprograming files for the Engine Control Module (ECM) to address rare cases of the engine surging/jolting when releasing the accelerator from halfthrottle.
10-100-21R2022-12-02. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This bulletin announces availability of a new variable displacement type A/C compressor designed to address a small number of customer concerns regarding an excessive sound heard when the system is OFF.
09-74-21R2022-10-04. 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.
09-80-21R2022-10-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin announces availability of a new thermo control valve assembly.
09-74-21R2022-09-08. 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 (e.g. intake valves and / or manifold, and combustion chambers).
02-131-12R2022-08-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; EQUIPMENT. 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.
09-89-22R2022-07-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
09-89-222022-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
09-80-212022-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This bulletin announces availability of a new thermo control valve assembly.
02-189-222022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SUMP/TANK:DRAIN PLUG; EQUIPMENT. This Bulletin announces design changes to the engine oil and CVT fluid drain plugs.
16-102-16R2021-11-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE.
02-188-212021-11-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin announces an additional service procedure for timing chain and / or cam sprocket replacement on FA and FB type engines.
09-74-21R2021-10-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
09-75-212021-08-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces the availability of NEW reprogramming files to correct DTC P0128.
09-74-21R2021-07-03. 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 (e.g. intake valves and / or manifold, and combustion chambers).
09-51-08R2021-07-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
02-187-212021-07-02. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin outlines changes in the service procedure for engine oil pressure inspection.
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.
11-200-20R2021-03-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
14-27-212021-03-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin announces the upcoming issuance to all retailers of an essential tool update kit for the Engine Support Assembly Kit #J-50135-A.
2163162020-11-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT. This Service Information bulletin provides new inspection and repair procedures for AVCS (Active Valve Control System) -related DTCs on the FA and FB engine equipped models listed above. The applicable Service Manuals will be revised with this new information in the near future.

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