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Service bulletins for the 2001 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.

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

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Bulletins, newest first
Illinois C0D Pac2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Wisconsin C0D Pa2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Minnesota C0D Pa2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Ohio C0D Packet2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Michigan C0D Pac2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; UNKNOWN OR OTHER. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Kentucky C0D Pac2018-04-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Toyota is launching a Corrosion resistant Compound Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
Sequoia CRC - C02018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Toyota is launching a Corrosion-Resistant Compound CRC Campaign for 2001-2004 model year Sequoia vehicles registered in certain cold climate states with high road salt use.
NY CRC C0D2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Toyota is launching a Corrosion Resistant Compound CRC Campaign for 2001 - 2004 model year Sequoia vehicles registered in certain cold climate states with high toad salt use.
NJ CRC C0D2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Toyota is launching a Corrosion Resistant Compound CRC Campaign for 2001 - 2004 model year Sequoia vehicles registered in certain cold climate states with high toad salt use.
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.
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.
ER2 Dealer Lette2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. expectations of Toyota products. Toyota will be sending Limited Service Campaign Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. We request your assistance in completing the applicable campaign repairs as owners receive the Follow-Up Notice and contact your dealership. Please note the follow-up activity may cause an increase in your current campaign owner appointments. Toyota will continue with additional follow-up activities in the months to come. Please take this into consideration when analyzing your manpower requirements.
ER2 Region Lette2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Toyota will be sending Limited Service Campaign Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. Please note the following information for Regional and PD associates.
C0D LSC Follow U2018-04-23. Service bulletin. STRUCTURE. Toyota has received reports that certain 2001 through 2004 model year Sequoia vehicles operated in specific cold climate areas with high road salt usage may exhibit more than normal corrosion to the vehicle's frame.
C0D OL Renotific2018-04-23. Service bulletin. STRUCTURE. Toyota will be sending Limited Service Campaign Follow-up Notices to remind owners whose vehicles have not yet had campaign repairs completed. Please note the following information for Regional and PD associates.
T-SB-0229-12_Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent malfunction. Although any flooding can be damaging, salt water flooding elevates the potential for abnormal conditions and may increase risks due to its highly corrosive and conductive nature. Salt residue also continues to corrode and remain conductive even after a vehicle dries. This bulletin is intended to assist with safe handling and inspection of flood damaged vehicles and to provide basic guidance on likely needed repairs.
T-SB-0144-08_Obs2018-04-23. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE November 21, 2017: This bulletin is now obsolete. Please see T-SB-0304-17.
T-SB-0012-13 Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
T-TT-0010-10 Rev2018-04-02. Service bulletin. BACK OVER PREVENTION; ENGINE. Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
ER6_ Remail _ De2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer Letter: Region Letter: Toyota will be sending Limited Service Campaign Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed.
ER6_Remail_Regio2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Region Letter: Toyota will be sending Limited Service Campaign Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. Please note the following information for Regional and PD associates.
T-SB-0012-13 Rev2018-04-02. Service bulletin. 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.

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