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Service bulletins for the 2011 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.

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

By type

By component

By trouble code

Bulletins, newest first
02-161-15R2020-09-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin announces a revised replacement procedure for installation of the front crankshaft oil seal. Includes all 2011MY+ vehicles with FA or FB Engines.
14-22-16R2020-09-04. Service bulletin. EQUIPMENT. Special Service Tools Cross Reference List.
01-181-202020-05-04. Service bulletin. EQUIPMENT. All Models (Vehicle Cleaning- COVID-19Best Practices)
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.
TKA-20R2020-03-02. Service bulletin. AIR BAGS. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain 2003-2014 model year Legacy and Outback vehicles, 2003-2006 model year Baja vehicles, 2009-2013 model year Forester vehicles, 2004-2011 model year Impreza vehicles, and 2004-2014 WRX (including STI) vehicles equipped with a non-desiccated Takata-sourced passenger-side frontal air bag containing the propellant Phase Stabilized Ammonium Nitrate (PSAN).
01-168-09R2020-02-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
TKA, TKB, TKC-202020-02-05. Service bulletin. AIR BAGS; EQUIPMENT ADAPTIVE/MOBILITY. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain 2003-2014 model year Legacy and Outback vehicles, 2003-2006 model year Baja vehicles, 2009-2013 model year Forester vehicles, 2004-2011 model year Impreza vehicles, and 2004- 2014 WRX (including STI) vehicles equipped with a non-desiccated Takata-sourced passenger-side frontal air bag containing the propellant Phase Stabilized Ammonium Nitrate (PSAN).
Subaru Announcem2020-02-05. Service bulletin. AIR BAGS; EQUIPMENT ADAPTIVE/MOBILITY. Takata Like for Like recalls- TKA20 (Zone A), TKB20 (Zone B), TKC20 (Zone C).
06-68-19R2019-08-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the brake pad installation procedures found in the related Service Manuals.
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.
WUF-91R2019-07-01. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling certain vehicles in the ranges listed below to inspect and potentially replace the ignition switch. A total of 511 U.S. vehicles will be affected by this recall.
Subaru Tech Tips2019-07-01. Service bulletin. EQUIPMENT. Subaru Service and Technical Support Line Newletter.
14-22-16R2019-07-01. 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.
TKA19-TKB19-TKC12019-05-28. Service bulletin. AIR BAGS; ENGINE AND ENGINE COOLING. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain Subaru vehicles listed above, equipped with a non-desiccated Takata-sourced passenger side frontal airbag containing the propellant Phase Stabilized Ammonium Nitrate (PSAN).
WUF-912019-05-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION. Owner Notification, Owners will be notified by first class mail on May 10, 2019. Owners with a valid email address on file will also be notified by email. Subaru retailers with affected vehicles will receive an affected VIN list from their Zone Office prior to owner notification. Service, Parts, and Claim Instructions Detailed service, parts, and claim information is available in the WUF-91 Product Campaign Bulletin on STIS. A copy of the owner notification is included at the end of the bulletin.
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.
WUF-91R2019-05-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:SWITCH. Subaru of America, Inc. (Subaru) is recalling certain vehicles in the ranges listed below to inspect and potentially replace the ignition switch. A total of 511 U.S. vehicles will be affected by this recall.
WUF-91-0412192019-05-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; ELECTRICAL SYSTEM:IGNITION. New Subaru Safety Recall: WUF-91 Replacement Ignition Switch Recall Subaru of America, Inc. (Subaru) is recalling certain vehicles in the ranges listed below to inspect and potentially replace the ignition switch. A total of 511 U.S. vehicles will be affected by this recall.
TKA19-TKB19-TKC12019-05-20. Service bulletin. AIR BAGS. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain Subaru vehicles listed above, equipped with a non-desiccated Takata-sourced passenger side frontal airbag containing the propellant Phase Stabilized Ammonium Nitrate (PSAN).
02-178-18R2019-03-25. Service bulletin. EQUIPMENT. This Service Information bulletin announces a design change made to the rubber timing hole access plug to improve its retention and prevent water intrusion into the converter case.
02-134-12R2019-03-11. Service bulletin. ENGINE; EQUIPMENT. The purpose of this bulletin is to announce a change to the specification of the valve springs used in the FB engine. The new springs have different color paint marks to help identify their application.
TKA-192019-03-11. Service bulletin. AIR BAGS. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain Subaru vehicles listed above, equipped with a non-desiccated Takata-sourced passenger side frontal airbag containing the propellant Phase Stabilized Ammonium Nitrate (PSAN). This phase of the Takata recall expansion includes all remaining vehicles equipped with a non-desciccated Takata-sourced passenger side frontal air bag containing the propellant PSAN. Recall Codes TKA-19-TKB-19-TKC-19
07-133-182019-02-19. Service bulletin. ENGINE. This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333. The knock sensor for DIT engines is now utilized for NA engines to improve durability and resistance to heat.
03-82-182018-12-10. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate. In a case of prolonged clutch pedal application, seizure of the bearing can occur with potential damage to other related components.
03-82-182018-12-10. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate. In a case of prolonged clutch pedal application, seizure of the bearing can occur with potential damage to other related components.

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