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Service bulletins for the 2011 Toyota Corolla

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.

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

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Bulletins, newest first
T-TT-0360-152018-04-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Customers may experience connectivity issues when the following conditions are met: The customer's iPhone is operating on iOS9 firmware. The customer's iPhone is connected to the vehicle via Bluetooth. The customer may complain of the following issues: When receiving two incoming calls simultaneously, both calls are ended automatically. iTunes Radio app does not play via Bluetooth audio. Podcast and Audiobook media playback is inoperative via Bluetooth audio.
T-TT-353-15 Rev12018-04-23. Service bulletin. ENGINE; EQUIPMENT. TT: There has been some concern with 3 Piece Ring installations for 2AZ-FE and 2AZ-FXE engines. This Tech Tip contains the accepted installation method required for Toyota vehicles.
ZE7_Part Status2018-04-23. Service bulletin. ENGINE. Electronic Communication: BACKGROUND As part of our continual efforts to ensure the best in customer satisfaction, Toyota has announced a Warranty Enhancement Program to extend warranty coverage to address customer complaints of Excessive Engine Oil Consumption on Certain 2007-2009 Camry, Certain 2007-2011 Camry Hybrid, Certain 2007-2008 Camry Solara, Certain 2009-2011 Corolla, Certain 2009-2013 Corolla Matrix, Certain 2006-2008 RAV4, Certain 2007- 2010 Scion tC, and Certain 2008-2015 Scion xB, vehicles equipped with a 2AZ engine.
ZE7_Part Status2018-04-23. Service bulletin. ENGINE. Electronic Communication: BACKGROUND As part of our continual efforts to ensure the best in customer satisfaction, Toyota has announced a Warranty Enhancement Program to extend warranty coverage to address customer complaints of Excessive Engine Oil Consumption on Certain 2007-2009 Camry, Certain 2007-2011 Camry Hybrid, Certain 2007-2008 Camry Solara, Certain 2009-2011 Corolla, Certain 2009-2013 Corolla Matrix, Certain 2006-2008 RAV4, Certain 2007-2010 Scion tC, and Certain 2008-2015 Scion xB, vehicles equipped with a 2AZ engine.
TSB-0012-13 Rev22018-04-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.
Po-14-12l2018-04-23. Service bulletin. ENGINE. Warranty Policy Bulletin (POL14-12): Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for vehicles exhibiting excessive engine oil consumption.
C0N Dealer Lette2018-04-23. Service bulletin. ENGINE. In certain 2011 and 2012 Model Year Toyota Corolla vehicles manufactured at TMMMS, the Positive Temperature Coefficient (PTC) Heater relays were not installed.
TC-12-0282018-04-23. Service bulletin. ENGINE. In certain 2011 and 2012 Model Year Toyota Corolla vehicles manufactured at TMMMS, the Positive Temperature Coefficient (PTC) Heater relays were not installed.
T-SB-0208-122018-04-23. Service bulletin. STRUCTURE. Some 2009 ? 2013 model year Corolla and 2009 ? 2012 model year Matrix vehicles may exhibit a rattle, pop, or click noise when operating the driver or passenger front window glass. In some cases, the front window may become inoperative. This may be due to loose window regulator mounting bolts. Use the following repair procedure to address this condition.
T-SB-0189-122018-04-23. Service bulletin. SERVICE BRAKES. Some 2009-2011 Corolla vehicles may exhibit a condition where, over time, there is a slight, but perceptible increase in brake pedal travel. This condition has no effect on braking performance. Improved rear drum brake adjusters have been developed to address this condition.
T-SB-0187-122018-04-23. Service bulletin. STRUCTURE:BODY. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles (160 km) at speeds less than 55 mph (90 km/h) with little or no damage to the tire.
T-TT-0005-10 Rev2018-04-23. Service bulletin. ENGINE. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
T-TT-0005-10 Rev2018-04-23. Service bulletin. ENGINE. Starting with the 2010 MY, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil.
T-SB-0093-09 Rev2018-04-23. Service bulletin. EQUIPMENT. A revised procedure has been developed to ensure proper removal and installation of the sun visor. Please use the following procedure for removal and installation of the sun visor.
T-SB-0235-122018-04-23. Service bulletin. SERVICE BRAKES. Some 2009 ? 2013 Corolla vehicles may exhibit a condition where, over time, there is a slight, but perceptible increase in brake pedal travel. This condition has no effect on braking performance. Improved rear drum brake adjusters have been developed to improve this condition.
SET Airbag Senso2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This communication pertains to a current safety recall being conducted by the Southeast Toyota Distributors LLC (SET). TMS is sending this communication for informational purposes in the event you are contacted by a customer covered by this recall.
T-TT-0211-12 Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Please confirm that the customer's concern is not related to a discharged battery or due to any after market accessory issue.
T-TT-0213-132018-04-23. Service bulletin. AIR BAGS. Toyota vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not perform as expected, please follow the steps in the recommendations section below.
T-SB-0064-10 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is now obsolete. Please see T-SB-0012-13.
T-SB-0012-132018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the TIS and the CUW.
T-SB-0064-10 Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.
SST Requirements2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SSTs are key elements to provide your customers with swift and accurate repairs resulting in superior customer satisfaction.
T-TT-0226-132018-04-23. Service bulletin. ELECTRICAL SYSTEM. The customer is having difficulty changing the multi-display screen from Day Mode. If the multi-display screen is set to Day Mode when the headlights are on, the setting we be memorized when the engine is turned off.
T-TT-0225-132018-04-23. Service bulletin. ELECTRICAL SYSTEM. The radio receiver turns off intermittently along with the clock and cigarette light port.
T-SB-0391-08 Rev2018-04-23. Service bulletin. POWER TRAIN. This bulletin contains general vehicle pulling diagnosis and repair procedures along with specific information to help correct pulling complaints.

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