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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-SB-0040-082017-08-14. Service bulletin. STRUCTURE:BODY. TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be removed by heating the stained surface to remove the trapped moisture.
T-TT-307-14 Rev12017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
ZE7_Service Cons2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. DL: 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. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for vehicles exhibiting excessive engine oil consumption. Eligibility for part replacement under this Warranty Enhancement Program is dependent on a Toyota dealer performed engine oil consumption test in accordance with T-SB-00158-14(Toyota) and S-SB-0031-14 (Scion).
ZE7_WPB_WEP_Publ2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. WPB: 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.
T-TT-307-14 Rev12017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Customers complain of various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
ZE7_WEP_Updated_2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. EC: The Tamper Tape recommended for the 2AZ-FE Engine Oil Consumption Inspection Procedure found in T-SB-0158 (Toyota) and S-SB-0031-14 (Scion) is now available at the MDC. The bulletins will be updated to reflect the new ordering process and posted on TIS in the near future.
T-TT-0268-13 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. TT: Some customers may encounter Bluetooth® connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. * Various Bluetooth® Audio functions are no longer functioning with customer's phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer's phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or if they have restored their phone data/settings recently.
TT-0307-14 Rev22017-08-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
T-SB-0040-082017-08-14. Service bulletin. STRUCTURE:BODY. TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be removed by heating the stained surface to remove the trapped moisture.
T-TT-0337-152017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
T-TT-0234-13 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
T-TT-0262-13 Rev2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. TT: Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Due to the them improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicles that require this oil.
T-SB-0158-14 Rev2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. TSB: Some 2006 - 2013 model year vehicles equipped with 2AZ-FE or 2AZ-FXE engines may exhibit engine oil consumption. The piston assembly has been changed to minimize oil consumption. Use the Inspection Procedure in this bulletin to confirm this condition.
T-SB-0101-11 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components.
T-SB-0142-13 Rev2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
T-SB-0094-11 Rev2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. TSB: OBSOLETE NOTICE-May 26, 2015: This bulletin is now obsolete. Please see T-SB-0030-15.
T-SB-0030-152017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. TSB: NOTE-Service Bulletin No. T-SB-0158-14, "2AZ Engine Oil Consumption Inspection Procedure," MUST be performed first BEFORE continuing with the procedure in this bulletin. Some 2006 - 2013 model year vehicles equipped with the 2AZ engine may exhibit engine oil consumption. The piston assembly has been changed to minimize oil consumption. Use the following Repair Procedure to address this condition.
T-SB-0083-13 Rev2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
ZE7_Service Cons2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. DL: 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. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for vehicles exhibiting excessive engine oil consumption. Eligibility for part replacement under this Warranty Enhancement Program is dependent on a Toyota dealer performed engine oil consumption test in accordance with T-SB-00158-14 (Toyota) and S-SB-0031-14 (Scion).
ZE7_WPB_WEP_Publ2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. WPB: 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.
T-SB-0043-14 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new process are reviewed BEFORE attempting to get a Pass-Code in the new system.
ZE7_POL14-12_WEP2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. WPB: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. This Warranty Enhancement Program will be launched in two phases due to current part production capacity limitations. Initially, Toyota will inform owners that they may seek reimbursement consideration for previous repairs to address excessive oil consumption. Additionally, owners will be advised that if they believe their vehicle has excessive engine oil consumption, they can contact an authorized Toyota dealer to have the engine oil consumption test performed to determine if they will be eligible for future part replacement once sufficient parts are available. Once sufficient parts are produced, Toyota will send a second owner notification letter to customers informing them they may seek part replacement if their vehicle has excessive engine oil consumption.
ZE7_VIN Expansio2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. DL: As part of our continual efforts to ensure the best in customer satisfaction, Toyota is preparing 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.
T-TT-0234-132017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Tech Tip: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems.
T-SB-0200-08 Rev2017-08-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year automatic transmissions.

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