WenmarOpen by Wenmar Pro

Service bulletins for the 2012 Toyota Sequoia

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
T-TT-0414-16-Rev2018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. 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.
T-SB-0134-162018-11-26. Service bulletin. ENGINE. TSB: Supersession Notice. 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.
Safety Recall an2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Update on Technician Certification Requirements.
PG006-01-Obsolet2018-10-15. Service bulletin. EQUIPMENT:OTHER:LABELS; EQUIPMENT. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
PG004-97-Obsolet2018-10-15. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:LABELS. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
T-SB-0304-17_Rev2018-08-20. Service bulletin. EQUIPMENT. TSB: REVISION NOTICE July 31, 2018 Rev2: ? The Supersession Notice has been updated. January 11, 2018 Rev1: ? The Supersession Notice has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, and T-SB-0144-08. Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, and T-SB-0144-08 are obsolete and any printed versions should be discarded. Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) may be available from Toyota, provided the request meets one of the criteria listed in this Service Bulletin. Replacement Certification Label and VIN Plate Criteria A replacement certification label and/or VIN plate may be requested if: ? The vehicle was in an accident and the label and/or plate is damaged or attached to a part that will be replaced during the repair. ? The label and/or plate was stolen.
T-SB-0057-182018-08-20. Service bulletin. EQUIPMENT. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0043-14. ? Applicability has been updated to include 2017 ? 2018 model year Toyota vehicles. Service Bulletin No. T-SB-0043-14 is obsolete and any printed versions should be discarded. 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 New security provisions are required to obtain a reset passcode. It is critical to review the instructions for this new process BEFORE attempting to get a passcode in the new system.
ZH3_Toyota POL172018-07-16. Service bulletin. STRUCTURE:BODY:DOOR. Warranty Policy Bulletin: Toyota has received a number of reports regarding the outside door handles on certain 2008-2015 model year Sequoia vehicles and on certain 2007-2015 model year Tundra vehicles. In these reports, customers have indicated that one or more of the outside door handles exhibited an abnormal feeling, dragging, or sticking when used.
ZH3-Dealer Daily2018-07-02. Service bulletin. STRUCTURE:BODY:DOOR. Dealer Daily Message: ZH3 Warranty Enhancement Program ? Certain 2008 - 2015 Model Year Sequoia Vehicles and Certain 2007 - 2015 Model Year Tundra Vehicles Extension of Warranty Coverage for the Outside Door Handles.
ZH3-POL17-07-04.2018-07-02. Service bulletin. STRUCTURE:BODY:DOOR. Warranty Policy Bulletin POL17-07: Toyota has received a number of reports regarding the outside door handles on certain 2008-2015 model year Sequoia vehicles and on certain 2007-2015 model year Tundra vehicles. In these reports, customers have indicated that one or more of the outside door handles exhibited an abnormal feeling, dragging, or sticking when used.
ZH3-Dealer Lette2018-07-02. Service bulletin. STRUCTURE:BODY:DOOR. Dealer Letter: Toyota has received a number of reports regarding the outside door handles on certain 2008 ? 2015 model year Sequoia vehicles and on certain 2007 ? 2015 model year Tundra vehicles. In these reports, customers have indicated that one or more of the outside door handles exhibited an abnormal feeling, dragging, or sticking when used.
ZH3-Dealer Email2018-07-02. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. Dealer Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the outside door handles on certain 2008 ? 2015 model year Sequoia Vehicles and certain 2007 ? 2015 model year Tundra vehicles.
ZH3-Region Lette2018-07-02. Service bulletin. STRUCTURE:BODY:DOOR. Region Letter: Toyota has received a number of reports regarding the outside door handles on certain 2008 ? 2015 model year Sequoia vehicles and on certain 2007 ? 2015 model year Tundra vehicles. In these reports, customers have indicated that one or more of the outside door handles exhibited an abnormal feeling, dragging, or sticking when used.
ZH3-Region Email2018-07-02. Service bulletin. EQUIPMENT. Region Email: Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the outside door handles on certain 2008 ? 2015 model year Sequoia Vehicles and certain 2007 ? 2015 model year Tundra vehicles.
T-SB-0047-162018-07-02. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TSB: The breather plug should be replaced during any differential/transfer case repairs to prevent possible repeat failures. The subsequent use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components. Replace the breather plug when replacing differential/transfer case components.
T-SB-0044-162018-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. 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-SB-0161-16_Rev2018-06-18. Service bulletin. STRUCTURE:BODY:DOOR. TSB: REVISION NOTICE May 18, 2018 Rev1: * Applicability has been updated to include 2018 model year Tundra and 2017 - 2018 model year Sequoia vehicles. * The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. Some 2008 - 2018 model year Sequoia and 2007 - 2018 model year Tundra vehicles may exhibit a popping noise during RH or LH front door operation. This noise may be due to a fracture/crack in the plastic over mold of the door check arm by the pivot area. Follow the Repair Procedure in this bulletin to address this condition. NOTE If the vehicle is being repaired due to damage from an accident, this Service Bulletin and the part numbers listed do NOT apply.
T-SB-0047-162018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: The breather plug should be replaced during any differential/transfer case repairs to prevent possible repeat failures. The subsequent use of the original breather plug after a repair has been found to contribute to the failure of the differential/transfer case components. Replace the breather plug when replacing differential/transfer case components.
T-SB-0044-162018-06-11. 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-0234-13 Rev2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 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-0234-13 Rev2018-04-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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-0086-112018-04-23. Service bulletin. POWER TRAIN. TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
F0A_TI_Sequoia_P2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Technical Instructions: In certain 2012 ? 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve. If this occurs, the Malfunction Indicator (Check Engine) Light could illuminate and the vehicle could enter a ?Fail-Safe? Mode (also known as ?Limp-Home? Mode). If this occurs the vehicle?s power and speed will be reduced, which could inconvenience you and require immediate repair.
F0A_TI_Added Cal2018-04-23. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Technical Instructions: In certain 2012 ? 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve. If this occurs, the Malfunction Indicator (Check Engine) Light could illuminate and the vehicle could enter a ?Fail-Safe? Mode (also known as ?Limp-Home? Mode). If this occurs the vehicle?s power and speed will be reduced, which could inconvenience you and require immediate repair.
F0A_Dealer Daily2018-04-23. Service bulletin. EQUIPMENT. Dealer Daily Notice: In our continuing efforts to ensure the best in customer satisfaction, Toyota has turned Limited Service Campaign (LSC) F0A into Special Service Campaign (SSC) F0A with no expiration date. Toyota will be mailing a second owner letter to customers, in late April, 2016, who have not had LSC F0A completed. The second owner letter will advise the customer the program has been extended with no expiration date. Refer to the update Dealer Letter, FAQ, and Sample Owner Letter Now Available on TIS for additional information.

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