2023 Toyota Sequoia Hybrid Technical Service Bulletins

111 technical service bulletins (TSBs) are on record for the 2023 Toyota Sequoia Hybrid. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037198Aug 19, 2026Transmission and drivetrain. Some 2022 – 2025 model year Tundra Hybrid, 2023 – 2025 model year Sequoia Hybrid, 2024 –2025 Land Cruiser and Tacoma Hybrid, and 2025 4Runner Hybrid vehicles may exhibit a whine noise from the transmission when in Ready ON mode.
• 11036116Jul 1, 2026Brakes. Some 2022 – 2026 model year Tundra, Tundra Hybrid, and 2023 – 2026 model year Sequoia Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse
• 11034825Jun 25, 2026Electrical system. Technical instructions for special service campaign 26tc02 reprogramming for parking assist ecu certain 2023 - 2024 sequoia
• 11031166Mar 31, 2026Body and structure. OBSOLETE NOTICE March 31, 2026: This bulletin is now obsolete. Please see T-SB-0022-26.
• 11031165Mar 30, 2026Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear-view mirrors while driving 65 – 85 mph (105 – 137 km/h).
• 11031162Mar 30, 2026Electrical system. SPECIAL SERVICE CAMPAIGN 26TC02 Certain 2023-2024 Model Year Sequoia HV Certain 2022 – 2023 Model Year Tundra & Tundra HV Trailer Back Up Guide Feature Inoperative Frequently Asked Questions
• 11031161Mar 30, 2026Electrical system. Technical instructions for special service campaign 26tc02 reprogramming for parking assist ecu certain 2023 - 2024 sequoia
• 11031159Mar 30, 2026Electrical system. After calibrating a trailer and using the Trailer Backup Guide feature, subsequent use of this feature may result in a “Trailer not detected” message or a blank multimedia display that prevents the display of features such as the backup camera. The multimedia system returns to normal if the vehicle is turned off and on again with no trailer attached.
• 11028712Jan 7, 2026Other or unknown. Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11026319Nov 19, 2025Brakes. Some 2022 – 2026 model year Tundra, Tundra Hybrid, and 2023 – 2026 model year Sequoia Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
• 11026306Nov 7, 2025Electrical system. A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Mirai, and Sequoia Hybrid vehicles equipped with Toyota Multimedia versions earlier than version 2230.
• 11026305Nov 7, 2025Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear-view mirrors while driving 65 – 85 mph (105 – 137 kph).
• 11020662Jun 16, 2025Body and structure. Customers may experience the front seat side shield cracking on the lower portion. The lower clip attachment point may not be seated due to mispositioning during shield installation. If not properly aligned during installation clip will shift up and sit on top of attachment point
• 11019362Apr 21, 2025Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear view mirrors while driving 65 – 85 mph (105 – 137 kph).
• 11018359Apr 21, 2025Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear view mirrors while driving 65 – 85 mph (105 – 137 kph).
• 11019331Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
• 11018328Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
• 11016796Feb 21, 2025Electrical system, Body and structure. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 Tundra and Tundra Hybrid vehicles may exhibit a condition where the functionality of the power driver seat cushion length adjustment (CLA) is inoperative. This condition may occur when operating the control switch with the CLA in the closed position.
• 11015510Feb 21, 2025Electrical system, Body and structure. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 Tundra and Tundra Hybrid vehicles may exhibit a condition where the functionality of the power driver seat cushion length adjustment (CLA) is inoperative. This condition may occur when operating the control switch with the CLA in the closed position.
• 11015882Feb 12, 2025Engine. OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
• 11016783Feb 10, 2025Brakes. Some 2023 – 2025 model year Sequoia Hybrid, and 2022 – 2025 model year Tundra and Tundra Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
• 11016782Feb 10, 2025Engine. Flash reprogramming allows the Electronic Control Unit (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 Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration…
• 11016781Feb 10, 2025Electrical system. 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 and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11015497Feb 10, 2025Brakes. Some 2023 – 2025 model year Sequoia Hybrid, and 2022 – 2025 model year Tundra and Tundra Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
• 11015496Feb 10, 2025Engine. Flash reprogramming allows the Electronic Control Unit (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 Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the Calibration…
• 11015495Feb 10, 2025Electrical system. 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 and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11016776Feb 7, 2025Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear view mirrors while driving 65 – 85 mph (105 – 137 kph).
• 11015490Feb 7, 2025Body and structure. Some 2022 – 2025 model year Tundra and Tundra Hybrid, and 2023 – 2025 model year Sequoia Hybrid vehicles may exhibit a high pitch whistling noise coming from one or both outer rear view mirrors while driving 65 – 85 mph (105 – 137 kph).
• 11014211Jan 30, 2025Electrical system. OBSOLETE NOTICE January 30, 2025: This bulletin is now obsolete. Please see T-SB-0015-25.
• 11014209Jan 29, 2025Electrical system. Some 2021 – 2025 model year Toyota vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a…
• 11014193Jan 23, 2025Electrical system. OBSOLETE NOTICE January 23, 2025: This bulletin is now obsolete. Please see T-SB-0011-25.
• 11014190Jan 23, 2025Electrical system. When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key.
• 11012758Dec 12, 2024Body and structure. Some 2023 – 2024 model year Sequoia Hybrid, and 2022 – 2024 Tundra and Tundra Hybrid vehicles may exhibit a condition where the driver and/or front passenger seat back frame produces a creaking or squeaking noise when leaning back on it.
• 11012744Dec 6, 2024Body and structure. The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as…
• 11012743Dec 6, 2024Body and structure. To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
• 11012742Dec 6, 2024Body and structure. Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface…
• 11012735Dec 5, 2024Body and structure. Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application.
• 11012727Dec 3, 2024Body and structure. Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across…
• 11011639Nov 11, 2024Engine. Some 2022 – 2024 model year Tundra and Tundra Hybrid, 2023 – 2024 model year Sequoia Hybrid, and 2024 model year Tacoma and Tacoma Hybrid vehicles equipped with a premium 14-inch audio multimedia display may exhibit a condition where the radio receiver power/volume knob becomes detached. An updated radio receiver power/volume knob is available to reduce the possibility of this condition.
• 11010354Oct 22, 2024Electrical system. Some 2022 – 2024 model year Tundra and Tundra Hybrid, 2023 – 2024 model year Sequoia Hybrid, and 2024 model year Tacoma and Tacoma Hybrid vehicles equipped with a premium 14-inch audio multimedia display may exhibit a condition where the radio receiver power/volume knob becomes detached. An updated radio receiver power/volume knob is available to reduce the possibility of this condition.
• 11010345Oct 15, 2024Transmission and drivetrain. Some 2023 model year Sequoia Hybrid and 2022 – 2023 Tundra Hybrid vehicles may exhibit an oil leak between the automatic transmission and the hybrid module assembly, and the source of the oil leak is from the hybrid module output shaft seal. The hybrid module assembly has been updated to minimize this condition.
• 11010329Oct 2, 2024Transmission and drivetrain. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a rattle sound from the hybrid module when the engine is at idle in drive or in reverse once fully warmed up. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition.
• 11010108Sep 30, 2024Engine. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra and Tundra Hybrid vehicles may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) present: •P030000 – Random/Multiple Cylinder Misfire Detected •P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold •P030085 – Random/Multiple Cylinder Misfire Detected…
• 11010064Sep 13, 2024Brakes. Some 2023 – 2024 model year Sequoia Hybrid, and 2022 – 2024 model year Tundra and Tundra Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
• 11010059Sep 3, 2024Body and structure. Some customers have expressed concern that the wireless functions of their Key Fob stop working. Key Fob LEDs will not turn ON, but engine starts with key held up against start button. Key battery voltage is confirmed OK and no DTC/RoB is found. This condition may occur if customer places Key Fob near wireless charger while phone is charging. When the key battery is removed and reinstalled, the Key Fob begins to…
• 11007455Jul 29, 2024Body and structure. Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11006161Jul 29, 2024Body and structure. Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11007445Jul 12, 2024Body and structure. The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as…
• 11007444Jul 12, 2024Body and structure. To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
• 11007443Jul 12, 2024Body and structure. Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface…

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