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Service bulletins for the 2019 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.

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

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Bulletins, newest first
T-TT-0615-20 Rev2020-09-14. Service bulletin. ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
T-TT-0615-20 Rev2020-09-14. Service bulletin. EQUIPMENT; ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
T-TT-0553-19 Rev2020-08-24. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ?Circuit demand is too high for GFCI rating ?Worn out GFCI internal contacts ?Improper installation or wiring of GFCI breaker
T-SB-0073-19 Obs2020-08-17. Service bulletin. STRUCTURE:BODY. OBSOLETE NOTICE July 31, 2020: This bulletin is no longer applicable and is now obsolete.
T-TT-0468-17 Rev2020-08-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. TT: HVAC drain tube is found to be blocked/clogged.
T-TT-0615-20 Rev2020-07-27. Service bulletin. ENGINE. TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condition (inconsistent acceleration) and would like to recover detailed customer voice and vehicle data.
T-TT-0606-202020-05-11. Service bulletin. EQUIPMENT. TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age. Due to this situation, dealers are reminded and recommended to follow the Long-Term Vehicle Storage Guidelines outlined in T-SB-0009-19 and other Service Bulletin publications to ensure customers receive their vehicles in a fresh and well maintained condition Please ensure that both Sales and Service at your dealership are aware of these guidelines and are following the recommended maintenance and storage processes and procedures to ensure the highest customer satisfaction with their new vehicle purchase.
T-TT-0538-19_Rev2020-05-11. Service bulletin. ENGINE AND ENGINE COOLING. TT: Some customers may complain of a clunk type noise coming from the engine compartment shortly after start-up, due to repeated depressing of the brake pedal or shortly after the vehicle begins to move.
T-TT-0537-19_Rev2020-05-11. Service bulletin. VISIBILITY; LANE DEPARTURE. TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments.
T-TT-0583-19_Rev2020-05-11. Service bulletin. EQUIPMENT. TT: Some customers who have upgraded their iPhone® to iOS13 are experiencing a condition where the Bluetooth connection disconnects and reconnects. In some instances, this condition causes the Panasonic head unit to reboot when the Bluetooth connection is initiated.
T-SB-0032-202020-05-11. Service bulletin. EQUIPMENT. TSB: 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, T-SB-0144-08, and T-SB-0304-17. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2020 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.
T-SB-0042-202020-05-11. Service bulletin. STRUCTURE. TSB: Some 2018 ? 2020 model year Sequoia and Tundra vehicles equipped with a sliding sunroof or moonroof may exhibit a binding, seizing, or sticking condition when attempting to open or close. In some cases, a clicking noise is present when the sliding sunroof or moonroof is stuck open or closed. This condition may be caused by rusted or seized sliding roof cables. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0026-202020-04-20. Service bulletin. AIR BAGS; FORWARD COLLISION AVOIDANCE. TSB: All 2018 ? 2021 model year Sequoia, Tacoma, and Tundra vehicles and All 2020 ? 2021 model year 4Runner vehicles are equipped with Pre-collision System (PCS) and Dynamic Radar Cruise Control (DRCC) as part of the Toyota Safety Sense (TSS) package. The PCS and DRCC systems are designed to help mitigate a potential collision and maintain a pre-determined traveling distance. It is recommended to disable the PCS and DRCC systems on vehicles that have been modified (ride height, oversized wheels/tires, brush bars, etc.) in a way that potentially disrupts the functionality of these systems. Vehicle owner?s written consent is required before performing the calibration to permanently disable the PCS and DRCC systems. Follow the Repair Procedure in this bulletin to disable the PCS and DRCC systems.
20TD01-TI-Rem2020-04-20. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. TI: TECHNICAL INSTRUCTIONS There is a possibility that some of the involved 2012-2019 Sequoias received a Toyota Genuine carpet floor mat set that is designed for different model year Sequoia vehicles (model years 2008-2011). If installed, the driver?s floor mat would not be secured in the way it was designed due to differences in the attachment grommets.
20TD01-RL-Rem2020-04-20. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. RL: Region Letter There is a possibility that some of the involved 2012-2019 Sequoias received a Toyota Genuine carpet floor mat set that is designed for different model year Sequoia vehicles (model years 2008-2011). If installed, the driver?s floor mat would not be secured in the way it was designed due to differences in the attachment grommets.
20TD01_Limited S2020-04-20. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Region email There is a possibility that some of the involved 2012-2019 Sequoias received a Toyota Genuine carpet floor mat set that is designed for different model year Sequoia vehicles (model years 2008-2011). If installed, the driver?s floor mat would not be secured in the way it was designed due to differences in the attachment grommets.
20TD01_Limited S2020-04-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Dealer email There is a possibility that some of the involved 2012-2019 Sequoias received a Toyota Genuine carpet floor mat set that is designed for different model year Sequoia vehicles (model years 2008-2011). If installed, the driver?s floor mat would not be secured in the way it was designed due to differences in the attachment grommets.
20TD01-Sequoia F2020-04-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. LSC: There is a possibility that some of the involved 2012-2019 Sequoias received a Toyota Genuine carpet floor mat set that is designed for different model year Sequoia vehicles (model years 2008-2011). If installed, the driver?s floor mat would not be secured in the way it was designed due to differences in the attachment grommets.
T-TT-0600-202020-03-30. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un-paired and re-paired.
T-TT-0598-202020-03-30. Service bulletin. EQUIPMENT. TT: Some vehicles may experience a ?New software is not compatible with the system.? Pop-up while performing T-SB-0003-20 during the head unit software installation process
T-TT-0520-19_Rev2020-02-18. Service bulletin. EQUIPMENT. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components.
T-SB-0279-17_Obs2020-02-18. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE January 13, 2020: This bulletin is now obsolete. Please see T-SB-0003-20.
T-SB-0003-202020-02-18. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0279-17. ? The entire bulletin has been updated. Service Bulletin No. T-SB-0279-17 is obsolete and ANY printed versions should be discarded. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (versions 010171, 010170, or 01017D) may exhibit one or more of the following conditions: ? Head unit reboots at a specific location ? Abnormal Destination Search app operation ? Rebooting caused by no songs on the USB-connected iPhone ? A one-time reboot after ignition is cycled to ACC-ON ? Audio stays muted after the key is cycled. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 010144), Entune? Audio Plus (version 01015E), Entune? Premium Audio (version 010182), or earlier may exhibit one or more of the following conditions: ? Head unit reboots intermittently ? Half blank screen appears when on the maintenance screen and shifting to Reverse ? Screen freezes during an incoming phone call ? Incorrect time displays on the diagnostic menu ? Radio station information does not match radio station that is playing ? Abnormal playlist browsing operation ? Mute stays enabled after key cycle ? ?Search along my route? is inoperative ? Traffic data scales improperly ? Unit of measure is missing from distance to destination (showing ?11? instead of ?11mi?) ? MID compass does not match navigation screen when switching to North up ? Navigation does not match MID when switching from miles to kilometers ? Speed limit is blank on navigation screen ? Go button on VR screen is inoperative
T-SB-0008-202020-02-18. Service bulletin. EQUIPMENT. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the next service interval. Follow the Repair Information in this bulletin to determine if the concern in question is a fluid leak or fluid seep and review the Repair Procedure section to address the condition. NOTE This bulletin applies to ALL powertrain fluids excluding fuel and coolant.
T-TT-0583-192019-12-16. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers who have upgraded their iPhone® to iOS13 are experiencing a condition where the Bluetooth connection disconnects and reconnects. In some instances, this condition causes the Panasonic head unit to reboot when the Bluetooth connection is initiated.

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