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.

• 11006151Jul 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…
• 11006150Jul 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.
• 11006149Jul 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…
• 11007440Jul 11, 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.
• 11006146Jul 11, 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.
• 11007434Jul 1, 2024Electrical system. Some 2022 – 2024 model year Tundra and Tundra Hybrid, and 2023 – 2024 model year Sequoia Hybrid vehicles, equipped with a JBL® premium sound system, may exhibit a rattle or buzz noise when listening to music coming from the subwoofer located in the rear left luggage area of the vehicle. This can be caused by exposure to certain operating environments with high humidity levels. To improve the subwoofer's performance…
• 11006140Jul 1, 2024Electrical system. Some 2022 – 2024 model year Tundra and Tundra Hybrid, and 2023 – 2024 model year Sequoia Hybrid vehicles, equipped with a JBL® premium sound system, may exhibit a rattle or buzz noise when listening to music coming from the subwoofer located in the rear left luggage area of the vehicle. This can be caused by exposure to certain operating environments with high humidity levels. To improve the subwoofer's performance…
• 11005122Jun 21, 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…
• 11005064Jun 21, 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…
• 11005119Jun 19, 2024Engine. This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
• 11005061Jun 19, 2024Engine. This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
• 11005093Jun 12, 2024Electrical system. A head unit software update is now available for 2022 model year Tundra and Tundra Hybrid vehicles equipped with Toyota Multimedia (version 1020 or earlier). This software update provides improved performance and capability for the following: •User Profile configuration and display. •Cloud Navigation and Intelligent Voice Assistant. •Mobile device connectivity. •On-screen display and system settings/configuration…
• 11005035Jun 12, 2024Electrical system. A head unit software update is now available for 2022 model year Tundra and Tundra Hybrid vehicles equipped with Toyota Multimedia (version 1020 or earlier). This software update provides improved performance and capability for the following: •User Profile configuration and display. •Cloud Navigation and Intelligent Voice Assistant. •Mobile device connectivity. •On-screen display and system settings/configuration…
• 11005092Jun 10, 2024Transmission and drivetrain. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The brake actuator logic has been modified to address these conditions.
• 11005034Jun 10, 2024Transmission and drivetrain. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The brake actuator logic has been modified to address these conditions.
• 11005079Jun 4, 2024Body 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.
• 11005021Jun 4, 2024Body 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.
• 11005156May 23, 2024Body and structure. Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra and Tundra Hybrid vehicles may exhibit lack of power during acceleration and/or a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): •P017400 – System Too Lean Bank 2 •P117B00 – Fuel Performance/Direct Injector •P043000 – Catalyst System Efficiency Below Threshold Bank 2
• 11005153May 17, 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.
• 11005149May 15, 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…
• 11003649Apr 19, 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…
• 11003647Apr 19, 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. SUPERSESSION NOTICE The information…
• 11003644Apr 19, 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…
• 11003594Apr 19, 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…
• 11003592Apr 19, 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. SUPERSESSION NOTICE The information…
• 11003589Apr 19, 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…
• 11003640Apr 15, 2024Engine, Electrical system. Some 2021 – 2024 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…
• 11003633Apr 15, 2024Transmission and drivetrain. Some 2022 􀂱 2024 model year Tundra Hybrid and 2023 􀂱 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions. REVISION…
• 11003585Apr 15, 2024Engine, Electrical system. Some 2021 – 2024 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…
• 11003578Apr 15, 2024Transmission and drivetrain. Some 2022 􀂱 2024 model year Tundra Hybrid and 2023 􀂱 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions. REVISION…
• 11003621Apr 11, 2024Electrical 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.
• 11003620Apr 11, 2024Electrical system. Some 2022 􀂱 2024 model year Tundra, Tundra Hybrid, and 2023 􀂱 2024 model year Sequoia Hybrid vehicles, equipped with a JBL® premium sound system, may exhibit a rattle or buzz noise when listening to music coming from the subwoofer located in the rear left luggage area of the vehicle. This can be caused by exposure to certain operating environments with high humidity levels. To improve the subwoofer's performance…
• 11003619Apr 11, 2024Electrical system. Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.
• 11003566Apr 11, 2024Electrical 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.
• 11003565Apr 11, 2024Electrical system. Some 2022 􀂱 2024 model year Tundra, Tundra Hybrid, and 2023 􀂱 2024 model year Sequoia Hybrid vehicles, equipped with a JBL® premium sound system, may exhibit a rattle or buzz noise when listening to music coming from the subwoofer located in the rear left luggage area of the vehicle. This can be caused by exposure to certain operating environments with high humidity levels. To improve the subwoofer's performance…
• 11003564Apr 11, 2024Electrical system. Customers have expressed concerns about the performance of Qi Wireless Chargers. Wireless chargers on applicable vehicles are designed to work with Qi Certified devices only. MagSafe devices, that are not Qi Certified, may not charge as expected with Qi Wireless Chargers.
• 11003607Apr 1, 2024Electrical system. Some customers have complained 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 operate…
• 11003606Apr 1, 2024Transmission and drivetrain. Some 2022 – 2024 model year Tundra Hybrid and 2023 – 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions.
• 11003552Apr 1, 2024Electrical system. Some customers have complained 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 operate…
• 11003551Apr 1, 2024Transmission and drivetrain. Some 2022 – 2024 model year Tundra Hybrid and 2023 – 2024 model year Sequoia Hybrid vehicles may exhibit a condition where the vehicle starts in second gear from a stop, and does not allow a manual shift to first gear (S1) without first switching to 4WD or driving over 15 mph. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions.
• 10253225Mar 4, 2024Electrical system. 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 and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 10253223Mar 4, 2024Engine cooling. This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
• 10253220Mar 1, 2024Other or unknown. The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase launch and as more details become available.
• 10252251Feb 15, 2024Lane departure, Brakes, Electrical system, Engine cooling. TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message on the Multi-information Display (MID). ?A MIL ON condition with Diagnostic Trouble Codes (DTCs) P05202A (Engine Oil Pressure Sensor/Switch ?A? Signal Stuck in Range) and/or P052477…
• 10230374Dec 16, 2023Body and structure, Equipment. TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and body dents/dings. ?Proper operation of electrical accessories (including interior light, clock, and radio reset). ?Interior cleanliness. ?Proper function of mechanical systems.
• 10247820Nov 17, 2023Electrical system. TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present: ?P1C8449 ? (High Voltage Power Resource Circuit Short during Ready ON) ?P300449 ? (High Voltage Power Resource Circuit Short during Pre-Charge) Follow the…
• 10247796Nov 1, 2023Electrical system. TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32°F or 0°C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (DTCs) may be present: ?P1C8449 ? (High Voltage Power Resource Circuit Short during Ready ON) ?P300449 ? (High Voltage Power Resource Circuit Short during Pre-Charge) Follow the…
• 10244111Aug 17, 2023Other or unknown. TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.
• 10241387Jul 3, 2023Wheels. TSB: Some 2023 ? 2024 model year Toyota vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. If non-compatible wheels or hub bolts/nuts are installed, there is increased risk that the wheel(s) could come off resulting in a crash. This service bulletin outlines the physical differences and precautions that should be taken when servicing different wheel and wheel fastener types.
• 10240048Jun 1, 2023Fuel system. TSB: Some 2023 model year Sequoia Hybrid and 2022 ? 2023 model year Tundra and Tundra Hybrid vehicles may exhibit poor acceleration and/or a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?P017400 ? System Too Lean Bank 2 ?P117B00 ? Fuel Performance/Direct Injector ?P043000 ? Catalyst System Efficiency Below Threshold Bank 2

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