2011 Subaru Impreza Technical Service Bulletins

252 technical service bulletins (TSBs) are on record for the 2011 Subaru Impreza. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10120977Jun 24, 2016Exterior lighting, Brakes. (ALL EXCEPT Hybrid Models) REVISED This bulletin announces a design change to the brake light switch (BLS) to reduce the possibility of improper illumination of the ABS and/or VDC warning lamp. In the event a product containing silicone is used to lubricate the BLS or for other purposes in the area around the switch, a non-conductive coating may develop over time on the internal electrical contacts and affect…
• 10139506May 17, 2016Equipment. Panasonic audio systems troubleshooting guide
• 10139472May 4, 2016Equipment. 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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes.
• 10139471May 4, 2016Air bags. NHTSA announced in a press conference today, the planned expansion of the airbag inflator recall to an additional 35 to 40 million vehicles from various manufacturers nationwide. We are currently assessing which of our models may be covered. We hope to make that determination soon. When specific vehicles are identified, owners will be notified plus vehicle identification numbers (VINs) can be researched on…
• 10140499Apr 12, 2016Equipment. Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. This bulletin identifies the equipment required to initialize (reset) the immobilizer code and cut the key blanks, for both immobilizer and non-immobilizer type keys.
• 10093841Nov 4, 2015Equipment. 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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to always refer to the stis web site when looking for the latest service information. Printed pages will not be made available to…
• 10093625Oct 12, 2015Exterior lighting. This bulletin provides a revised adjustment procedure to be used when diagnosing brake light switch (bls) -related dtcs c1531 and/or c0054. If the bls is out of adjustment, the abs and/or vdc warning lamp may illuminate.
• 10093117Sep 18, 2015Steering. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10093105Sep 11, 2015Equipment. "this service information bulletin announces a design change to the oil pressure switch assembly. Nickel plating has been applied to the internal switch contacts to enhance their durability and reduce the possibility of poor contact which could affect operation or cause improper illumination of the oil pressure warning lamp. A small pilot portion was added to the threaded area on p.n. 25240ka051 as shown in the…
• 10093067Sep 10, 2015Engine. "this service information bulletin announces a design change to the oil pressure switch assembly. Nickel plating has been applied to the internal switch contacts to enhance their durability and reduce the possibility of poor contact which could affect operation or cause improper illumination of the oil pressure warning lamp. A small pilot portion was added to the threaded area on p.n. 25240ka051 as shown in the…
• 10091965Jul 6, 2015Equipment. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10140549Jun 17, 2015Equipment, Steering. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10141514Apr 24, 2015Brakes. Annoucment to UPDATE ? Subaru Recall Campaign WQQ?52 Brake Line Corrosion
• 10141513Apr 23, 2015Engine cooling. This Service Information bulletin provides revised procedures for inspection and measurement of the cylinder block assembly to determine whether or not replacement is necessary. Read through and understand this information completely before proceeding with any repairs to the cylinder block. All Models with FA and FB Engines, 2011MY and Later.
• 10080880Jan 26, 2015Brakes. This recall is being issued as a result of incomplete repair instructions provided in the impreza and forester repair procedure for the wqk-47 brake line corrosion recall.
• 10080783Jan 26, 2015Brakes. This announcement is to advise of recall wqq-52 being issued as a result of incomplete repair instructions provided in the impreza, wrx, sti, and forester repair procedure for the wqk-47 brake line corrosion recall.
• 10094206Dec 23, 2014Brakes. Wqk-47r - brake line corrosion
• 10094203Dec 22, 2014Brakes. Service memo announcement of subaru recall campaign: brake line corrosion wqq-52
• 10094201Dec 22, 2014Brakes. Wqk-47r - brake line corrosion
• 10235894Oct 23, 2014Electrical system, Steering. Revision to Troubleshooting Information for VDC DTC C0071
• 10093509Oct 23, 2014Electrical system, Steering. Revision to troubleshooting information for vdc dtc c0071
• 10235911Oct 10, 2014Engine cooling. Intercooler/Intake Air Duct
• 10056877Oct 10, 2014Equipment. Subaru: information regarding replacement revision of air intake duct for turbocharger where insulator portion of duct separates from duct and leaks boost pressure, loss of power and increased sound levels occurs. Model 2005-12 legacy, outback turbo, 2009-13 forester turbo, 2008-14 impreza wrx.
• 10234910Sep 2, 2014Transmission and drivetrain. Replacement AT Oil Cooler Piping
• 10092742Sep 2, 2014Transmission and drivetrain. Replacement at oil cooler piping - this bulletin will provide information regarding a change to the automatic transmission (at) fluid cooler piping and an addition to the service procedure used during their replacement.
• 10068350Sep 2, 2014Transmission and drivetrain. Summary to be provided on a future date.
• 10058149Sep 2, 2014Transmission and drivetrain. Subaru 2009-2013 myforester at models, 2008-2011 my impreza at models: bulletin information involving replacement required for the at oil cooler piping.
• 10056871Sep 2, 2014Steering, Transmission and drivetrain. Subaru: replacing coolant piping located adjacent to radiator that's corroded and damaged due to road salt and/or salt water accumulation and new replacement is double thick teflon coating. Model 2009-13 forester at, 20089-11 impreza at. *pe updated 08/05/2015
• 10091846Jul 29, 2014Equipment. Wqk-47 - brake line corrosion product campaign bulletin
• 10091844Jul 24, 2014Equipment. Service memo regarding spray application gun assembly / use caution
• 10232535Jul 17, 2014Electrical system. Replacement Key and Immobilizer Info
• 10091768Jul 10, 2014Electrical system. Wqk-47 - brake line corrosion product campaign bulletin
• 10068322Jul 8, 2014Wheels. Summary to be provided on a future date.
• 10234896Jul 1, 2014Brakes. Brake Line Corrosion
• 10234827Jun 10, 2014Brakes. New Subaru Recall Campaign: Brake Line Corrosion WQK?47
• 10084243Jun 10, 2014Brakes. New subaru recall campaign: brake line corrosion wqk]47
• 10233428Apr 22, 2014Brakes, Exterior lighting. This bulletin provides a revised adjustment procedure to be used when diagnosing Brake Light Switch (BLS) -related DTCs C1531 and/or C0054. If the BLS is out of adjustment, the ABS and/or VDC warning lamp may illuminate.
• 10084463Apr 22, 2014Exterior lighting. Revised brake light switch adjustment procedure for dtcs c1531 and c0054
• 10233441Apr 17, 2014Engine cooling. Intercooler/Intake Air Duct
• 10090194Mar 13, 2014Suspension. Sound from rear suspension upper control arm - this bulletin provides a procedure for diagnosing and repairing a rattle-type rear suspension sound determined to be coming from the upper control arm ball joint.
• 10067870Mar 13, 2014Suspension. Sound from rear suspension upper control arm - this bulletin provides a procedure for diagnosing and repairing a rattle-type rear suspension sounddetermined to be coming from the upper control arm ball joint.
• 10067858Feb 20, 2014Electrical system, Equipment. Hill start assist (hsa) warning light, dtc c0076 - this bulletin provides information to address a customer concern of intermittent operation of the hill start assist warning lamp.
• 10055441Feb 20, 2014Transmission and drivetrain. Subaru: the custiomer may complain of the intermittent operation of the hill start assist warning lamp. Stored dtc c0076 with detail codes 2610h and/or 2620h.
• 10234829Jan 15, 2014Fuel system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10089957Jan 15, 2014Transmission and drivetrain. Repair procedure for high-pitched sound from extension housing area using latest generation production parts - this bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area.
• 10233047Nov 27, 2013Engine cooling. ECM Reprogramming Availability for DTC P050A
• 10093678Nov 27, 2013Engine. This bulletin announces the availability of ecm reprogramming files to address a false cel/mil illumination and setting of dtc p050a. This dtc can result from specific clutch operation (on mt models) and / or driving patterns occurring immediately after starting the engine.
• 10067049Nov 27, 2013Engine. Summary to be provided on a future date.
• 10054223Nov 27, 2013Electrical system, Engine. Subaru: ecm is available for reprogramming files to address false cel/mil illumination and the diagnostic trouble code (dtc) p050a resulted from specific clutch operations and/or driving patterns after starting engine. Model 2011-2013 legacy, forester, impreza.
• 10235930Oct 8, 2013Equipment. Service Procedure for Replacement of the Bluetooth Microphone for Kenwood Audio / Navigation Systems

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