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Service bulletins for the 2019 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.

577 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
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.
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.
02-185-202020-11-05. Service bulletin. ENGINE AND ENGINE COOLING. This Service Information Bulletin announces availability of a new B2 (LH) INTAKE Camshaft.
06-79-202020-09-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin announces availability of new master cylinder application shaft seals.
11-200-20R2020-06-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM) for hard starting in sub-freezing temperatures, DTC P0400, and surging in high altitudes.
11-200-20R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
07-75-13R2020-04-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models.
18-198-202020-04-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
11-200-20R2020-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
WUW-08R2020-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019 model year Ascent, Forester, and Crosstrek Hybrid vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective.
11-196-202020-02-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This Service Information Bulletin announces part number change information for the Positive Crankcase Ventilation (PCV) valves used on the models listed above.
11-194-202020-02-05. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. This Service Information Bulletin addresses inquiries regarding the labels applied to the tumble generator valve (TGV) motors used on certain replacement intake manifold assemblies.
WUW-08R2020-01-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019 model year Ascent, Forester, and Crosstrek Hybrid vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective.
Subarunet Announ2020-01-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). New stop sale/safety recall: WUW-08 Ascent, Forester, and Crosstrek Hybrid PCV valve Recall. The Positive Crankcase Ventilation (PCV) valve may be defective.
02-131-12R2019-10-01. 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. There are five areas that should be closely inspected if an oil leak is reported by the customer: 1. The 6mm tapped hole casting boss area in the left-hand camshaft cap 2. The sealing surfaces between either the left or right-hand camshaft cap and camshaft carrier 3. The sealing surfaces between the cylinder head and camshaft carrier 4. The sealing surface between the upper oil pan and the engine block 5. The sealing surfaces of the front timing chain cover
02-163-16R2019-07-22. Service bulletin. ENGINE. 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.
02-163-16R2019-05-28. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
02-170-17R2019-05-20. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; ENGINE. This bulletin announces part information for new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal. The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time, the Check Engine lamp may illuminate and set various AVCS-related DTCs.

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