2021 Toyota Sienna Hybrid service bulletins & manufacturer communications

172 manufacturer communications are on file with NHTSA for the 2021 Toyota Sienna Hybrid. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• OBSOLETE NOTICE August 20, 2026: This bulletin is now obsolete. Please see T-SB-0051-26.
  T-SB-0110-20 Rev2 · Technical service bulletin · Engine · issued Aug 20, 2026
• This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries.
  T-SB-0051-26 · Technical service bulletin · Engine · issued Aug 20, 2026
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Aug 11, 2026
• Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we a…
  22TE09 · Warranty extension · Electrical System · issued May 14, 2026
• OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.
  T-SB-0104-21 Rev2 · Technical service bulletin · Engine · issued Feb 27, 2026
• OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
  T-SB-0106-22 Rev2 · Technical service bulletin · Electrical System · issued Jan 30, 2026
• Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, poi…
  T-SB-0001-26 · Technical service bulletin · Electrical System · issued Jan 28, 2026
• 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 t…
  T-SB-0055-24 Rev2 · Technical service bulletin · Unknown / Other · issued Jan 7, 2026
• Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we a…
  22TE09 · Warranty extension · Electrical System · issued Jan 6, 2026
• Some customers may experience a condition in which the 2021-2025 Sienna HV 2nd row FRAME SUB-ASSY, No.1 does not function even when the stow lever is pulled. Because the cable has …
  T-TT-0795-25 · Technical service bulletin · Structure · issued Dec 2, 2025
• Some 2021 – 2025 model year Sienna Hybrid vehicles may exhibit a sloshing or splashing noise from inside one or more door panels when driving, opening and/or closing a door, and/or…
  T-SB-0082-25 · Technical service bulletin · Structure · issued Nov 6, 2025
• Technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 – 2024 model year sienna hybrid
  22TE09 · Technical service bulletin · Electrical System · issued Sep 17, 2025
• Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we a…
  22TE09 · Service campaign · Electrical System · issued Sep 17, 2025
• The specific condition covered by this program is for a small engine coolant leak that can occur from the flow shut-off valve that can allow coolant to drip on other parts of the v…
  24TE04 · Service campaign · Engine · issued Aug 7, 2025
• Some 2018 – 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is dis…
  T-SB-0112-24 Rev2 · Technical service bulletin · Engine · issued Jun 19, 2025
• The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bul…
  T-SB-0058-23 Rev1 · Service campaign · Electrical System · issued Jun 13, 2025
• Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
  25TC03 · Technical service bulletin · Forward Collision Avoidance · issued Apr 16, 2025
• Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-…
  25TC03 · Service campaign · Forward Collision Avoidance · issued Apr 16, 2025
• Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a softwa…
  25TC03 · Service campaign · Forward Collision Avoidance · issued Apr 16, 2025
• Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
  25TC03 · Technical service bulletin · Forward Collision Avoidance · issued Apr 16, 2025
• Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-…
  25TC03 · Service campaign · Forward Collision Avoidance · issued Apr 16, 2025
• Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a softwa…
  25TC03 · Service campaign · Forward Collision Avoidance · issued Apr 16, 2025
• 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 h…
  T-TT-0780-25 · Technical service bulletin · Electrical System · issued Apr 2, 2025
• 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 h…
  T-TT-0780-25 · Technical service bulletin · Electrical System · issued Apr 2, 2025
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Feb 20, 2025
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Feb 20, 2025
• OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
  T-SB-0107-20 Rev2 · Technical service bulletin · Engine · issued Feb 12, 2025
• Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, poi…
  T-SB-0106-22 Rev2 · Technical service bulletin · Electrical System · issued Feb 11, 2025
• Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, poi…
  T-SB-0106-22 Rev2 · Technical service bulletin · Electrical System · issued Feb 11, 2025
• 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 releas…
  T-SB-0021-25 · Technical service bulletin · Engine · issued Feb 10, 2025
• 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 wi…
  T-SB-0013-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• 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 releas…
  T-SB-0021-25 · Technical service bulletin · Engine · issued Feb 10, 2025
• 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 wi…
  T-SB-0013-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• Some 2021-2025 MY Highlander HV, Sienna HV, RAV4, and RAV4 HV, may exhibit an oil leak from the area where the camshaft cover, camshaft housing, and the timing chain covers meet. T…
  T-TT-0771-25 · Technical service bulletin · Engine · issued Jan 28, 2025
• OBSOLETE NOTICE January 23, 2025: This bulletin is now obsolete. Please see T-SB-0011-25.
  T-SB-0111-20 Rev2 · Technical service bulletin · Electrical System · issued Jan 23, 2025
• 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 scr…
  T-SB-0011-25 · Technical service bulletin · Electrical System · issued Jan 23, 2025
• Some 2021 – 2024 model year Sienna Hybrid vehicles may exhibit a condition in which the front passenger carpet is untucked and torn at the center console, as shown in Figure 1. To …
  T-SB-0001-25 · Technical service bulletin · Structure · issued Jan 6, 2025
• Some 2018 – 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is dis…
  T-SB-0112-24 Rev1 · Technical service bulletin · Engine · issued Jan 5, 2025
• TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
  LSB006523 · Technical service bulletin · Engine and Engine Cooling · issued Dec 19, 2024
• This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with …
  T-SB-0110-20 Rev2 · Technical service bulletin · Engine · issued Dec 10, 2024
• CUSTOMER SUPPORT PROGRAM 24TE04 Multiple Model & Model Year Toyota Vehicles Coverage for Flow Shut-off Valve Coolant Leak Frequently Asked Questions
  24TE04 · Warranty extension · Engine · issued Dec 9, 2024
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Dec 9, 2024
• 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.…
  T-SB-0039-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
• 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…
  T-SB-0038-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
• 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 expos…
  T-SB-0035-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Dec 5, 2024
• Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fal…
  T-SB-0061-23 Rev2 · Technical service bulletin · Structure · issued Dec 5, 2024
• In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Customer Support Program to provide coverage for Flow Shut-off Valve Coolant Leak on m…
  24TE04 · Warranty extension · Engine · issued Dec 5, 2024
• Some 2018 – 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is dis…
  T-SB-0112-24 · Technical service bulletin · Engine · issued Dec 5, 2024
• Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…
  T-SB-0062-23 Rev2 · Technical service bulletin · Structure · issued Dec 3, 2024
• This Customer Support Program provides coverage as it applies to Flow Shut-off Valve Coolant Leak on Certain 2019-2021 Avalon & Avalon HV, 2018-2021 Camry & Camry HV, Certain 2020-…
  24TE04 · Warranty extension · Engine · issued Dec 2, 2024
• Frequently Asked Questions CUSTOMER SUPPORT PROGRAM 24TE04 Multiple Model & Model Year Toyota Vehicles Coverage for Flow Shut-off Valve Coolant Leak
  24TE04 · Warranty extension · Engine · issued Dec 2, 2024
• Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ o…
  24TE04 · Warranty extension · Engine · issued Dec 2, 2024
• Technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 – 2022 model year sienna hybrid
  22TE09 · Technical service bulletin · Electrical System · issued Sep 19, 2024
• 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 but…
  T-TT-0751-24 Rev1 · Technical service bulletin · Structure · issued Sep 3, 2024
• 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 t…
  T-SB-0055-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
• 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 t…
  T-SB-0055-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
• 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.…
  T-SB-0039-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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…
  T-SB-0038-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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 expos…
  T-SB-0035-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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.…
  T-SB-0039-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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…
  T-SB-0038-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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 expos…
  T-SB-0035-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
• 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 t…
  T-SB-0055-24 · Technical service bulletin · Structure · issued Jun 21, 2024
• 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 t…
  T-SB-0055-24 · Technical service bulletin · Structure · issued Jun 21, 2024
• This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
  T-SB-0103-20 Rev1 · Technical service bulletin · Engine · issued Jun 19, 2024
• This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 – 2025 model year Toyota vehicles.
  T-SB-0103-20 Rev1 · Technical service bulletin · Engine · issued Jun 19, 2024
• After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and n…
  T-TT-0694-22 Rev2 · Technical service bulletin · Engine · issued Jun 6, 2024
• After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and n…
  T-TT-0694-22 Rev2 · Technical service bulletin · Engine · issued Jun 6, 2024
• Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fal…
  T-SB-0061-23 Rev1 · Technical service bulletin · Structure · issued May 17, 2024
• Some 2021 – 2024 model year Sienna Hybrid vehicles equipped with a Blind Spot Monitor may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) C1AC200 (Rear Side Radar Sen…
  T-SB-0048-24 · Technical service bulletin · Electrical System · issued May 15, 2024
• Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…
  T-SB-0062-23 Rev1 · Technical service bulletin · Structure · issued May 15, 2024
• Some drivers of 2021 – 2024 model year Sienna Hybrid vehicles may be sensitive to the momentary transition from regenerative braking to hydraulic braking under certain driving cond…
  T-SB-0047-24 · Technical service bulletin · Service Brakes · issued May 14, 2024
• 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.…
  T-SB-0039-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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…
  T-SB-0038-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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 expos…
  T-SB-0035-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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.…
  T-SB-0039-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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…
  T-SB-0038-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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 expos…
  T-SB-0035-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• 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 scr…
  T-SB-0111-20 Rev2 · Technical service bulletin · Electrical System · issued Apr 11, 2024
• 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. MagSa…
  T-TT-0754-24 · Technical service bulletin · Electrical System · issued Apr 11, 2024
• 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 scr…
  T-SB-0111-20 Rev2 · Technical service bulletin · Electrical System · issued Apr 11, 2024
• 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. MagSa…
  T-TT-0754-24 · Technical service bulletin · Electrical System · issued Apr 11, 2024
• OBSOLETE NOTICE March 11, 2024: This bulletin is now obsolete. Please see T-SB-0013-24.
  T-SB-0064-18 Obs · Technical service bulletin · Electrical System · issued Mar 11, 2024
• 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 ke…
  T-SB-0013-24 · Technical service bulletin · Electrical System · issued Mar 4, 2024
• 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 Toyo…
  T-PANT-2024-004- · Technical service bulletin · Engine and Engine Cooling · issued Mar 4, 2024
• Ti: technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 ? 2022 model year sienna hybrid
  22TE09b · Technical service bulletin · Engine and Engine Cooling · issued Feb 28, 2024
• DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), …
  22TE09 · Technical service bulletin · Engine and Engine Cooling · issued Feb 28, 2024
• TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map…
  TSB010622 · Technical service bulletin · Unknown / Other · issued Feb 20, 2024
• TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Une…
  TSB001823 · Technical service bulletin · Electrical System · issued Feb 15, 2024
• 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/disco…
  TSB010421 · Technical service bulletin · Service Brakes, Hydraulic · issued Feb 15, 2024
• TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently un…
  T-TT-0702-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Feb 12, 2024
• TT: Vehicle option selection during identification process when connecting Techstream for diagnosis/repair.
  TTT071622 · Technical service bulletin · Electrical System · issued Nov 28, 2023
• 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 Ch…
  TSB008523A · Technical service bulletin · Electrical System · issued Nov 17, 2023
• Toyota vehicles equipped with an A25A-FKS or A25A-FXS engine may exhibit reduced engine power and/or a MIL ON condition
  TSB009223 · Technical service bulletin · Engine and Engine Cooling · issued Nov 15, 2023
• 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 Ch…
  TSB008523 · Technical service bulletin · Electrical System · issued Nov 1, 2023
• TSB: Some 2021 ? 2022 model year Sienna Hybrid vehicles may exhibit a condition in which the fuel gauge reading changes when the vehicle is driven up or down an incline and left at…
  T-SB-0083-23 · Technical service bulletin · Engine and Engine Cooling · issued Oct 17, 2023
• TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…
  T-TT-0678-21 Rev · Technical service bulletin · Electrical System · issued Oct 10, 2023
• 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 w…
  TTT073723 · Technical service bulletin · Unknown / Other · issued Aug 17, 2023
• TSB: Some 2020 ? 2023 model year Highlander Hybrid and 2021 ? 2023 model year RAV4 Hybrid, RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with …
  TSB-0033-23 · Technical service bulletin · Fuel System, Gasoline · issued Jun 8, 2023
• TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged a…
  T-TT-0694-22 · Technical service bulletin · Engine and Engine Cooling · issued May 18, 2023
• TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Une…
  T-SB-0018-23 · Technical service bulletin · Electrical System · issued Apr 19, 2023
• DP: Although the high-pressure fuel pump is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the custom…
  23TE01 Dealer Pa · Technical service bulletin · Fuel System, Gasoline · issued Apr 5, 2023
• TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently un…
  TTT070222 · Technical service bulletin · Engine and Engine Cooling · issued Feb 20, 2023
• TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.
  TT069722 · Technical service bulletin · Electrical System · issued Feb 15, 2023
• TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…
  T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued Dec 19, 2022
• TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…
  T-TT-0678-21 Rev · Technical service bulletin · Equipment · issued Dec 15, 2022
• TSB: Some 2020 ? 2022 Highlander and Highlander Hybrid and 2021 ? 2022 Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0087 (Fuel Rail/S…
  T-SB-0049-21 Rev · Technical service bulletin · Fuel System, Gasoline · issued Dec 9, 2022
• TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System, require a Special Service Tool (SST) USB flash drive to update the ma…
  T-SB-0106-22 · Technical service bulletin · Equipment · issued Dec 7, 2022
• TT: Vehicle option selection during identification process when connecting Techstream for diagnosis/repair
  T-TT-0716-22 · Technical service bulletin · Equipment · issued Dec 5, 2022
• TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged a…
  T-TT-0694-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Aug 10, 2022
• TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit a condition in which the radio screen continues to show a Bluetooth phone…
  T-TT-0703-22 · Technical service bulletin · Equipment · issued Aug 5, 2022
• TSB: 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 r…
  T-SB-0107-20 Rev · Technical service bulletin · Electrical System · issued Jul 19, 2022
• TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the c…
  TTT069922 · Technical service bulletin · Engine and Engine Cooling · issued Jul 8, 2022
• TSB: 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 Techstream Software Health Check …
  TSB011120Rev1 · Technical service bulletin · Engine and Engine Cooling · issued Jul 8, 2022
• TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually unde…
  TSB001221Rev2 · Technical service bulletin · Structure · issued Jun 14, 2022
• TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…
  TSB008921Rev2 · Technical service bulletin · Equipment · issued Jun 7, 2022
• TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…
  TSB008921Rev2 · Technical service bulletin · Electrical System · issued Jun 7, 2022
• TSB: This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction …
  T-SB-0110-20 Rev · Technical service bulletin · Electrical System · issued May 31, 2022
• TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…
  T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued May 27, 2022
• TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bullet…
  TSB009421Rev1 · Technical service bulletin · Equipment · issued May 26, 2022
• TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.
  TTT069722 · Technical service bulletin · Hybrid Propulsion System · issued May 19, 2022
• TT: To improve customer support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.
  TTT069522 · Technical service bulletin · Communication · issued May 13, 2022
• TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged a…
  T-TT-0694-22 · Technical service bulletin · Electrical System · issued Apr 6, 2022
• OBSOLETE NOTICE March 22, 2022: This bulletin is now obsolete. Please see T-SB-0024-22.
  TSB002019 · Technical service bulletin · Equipment · issued Mar 22, 2022
• TSB: Some 2018 model year Camry and Camry Hybrid, 2019 model year Avalon and Avalon Hybrid, 2020 ? 2021 model year Highlander, Highlander Hybrid, and Corolla, and 2021 model year S…
  TSB002422 · Technical service bulletin · Visibility · issued Mar 22, 2022
• TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be use…
  T-SB-0003-22 · Technical service bulletin · Electrical System · issued Jan 28, 2022
• TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the d…
  T-TT-0593-20 Rev · Technical service bulletin · Electrical System · issued Jan 20, 2022
• POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept n…
  Toyota PRO19-02 · Technical service bulletin · Wheels · issued Jan 12, 2022
• TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…
  T-TT-0678-21 · Technical service bulletin · Equipment · issued Dec 20, 2021
• TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engi…
  T-SB-0104-21 · Technical service bulletin · Equipment · issued Dec 17, 2021
• TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bullet…
  T-SB-0094-21 · Technical service bulletin · Structure · issued Nov 23, 2021
• TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (D…
  T-SB-0019-21 Rev · Technical service bulletin · Equipment · issued Nov 12, 2021
• TT: Some 2021 model year Sienna HV vehicles may exhibit a scraping noise from the front when turning.
  T-TT-0646-21 Rev · Technical service bulletin · Steering · issued Oct 1, 2021
• TSB: Some 2021 model year Sienna Hybrid vehicles equipped with FWD and 20-in. clad wheels may exhibit a clicking/creaking noise from one or more of the wheels while driving. The cl…
  T-SB-0055-21 · Technical service bulletin · Wheels · issued Jul 22, 2021
• TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (D…
  T-SB-0019-21 Rev · Technical service bulletin · Equipment · issued Jul 9, 2021
• TSB: 2022 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize re…
  T-SB-0035-21 · Technical service bulletin · Equipment · issued May 27, 2021
• TSB During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinish…
  T-SB-0034-21 · Technical service bulletin · Tires · issued May 27, 2021
• Updates to the 2014-2021 toyota universal flat rate manual
  Toyota PRO21-UFR · Technical service bulletin · Equipment · issued May 24, 2021
• TSB: Some 2021 model year Sienna Hybrid LE vehicles may exhibit a condition of inoperative remote functions from the app or key fob, such as remote engine start or door lock/unlock…
  T-SB-0031-21 · Technical service bulletin · Engine · issued May 20, 2021
• TT: Some vehicles equipped with Premium Audio systems may experience an inoperative condition that consists of displaying a ?Loading?? then a blank screen when pressing the MAP but…
  T-TT-0650-21 · Technical service bulletin · Electrical System · issued May 11, 2021
• TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…
  T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued May 7, 2021
• TT: Confirm the scraping noise is coming from the front of the vehicle and not the rear. If the condition occurs from the front of the vehicle, verify the vehicle meets ALL the fol…
  T-TT-0646-21 · Technical service bulletin · Back Over Prevention · issued Mar 31, 2021
• TSB: Some 2021 model year Sienna Hybrid vehicles may exhibit a depleted 12V auxiliary battery when in IG-OFF due to a condition in which the Hybrid Vehicle Electronic Control Unit …
  T-SB-0016-21 · Technical service bulletin · Power Train · issued Mar 31, 2021
• TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Toyota vehicles equipped …
  T-SB-0015-21 · Technical service bulletin · Equipment · issued Mar 22, 2021
• Toyota Safety Recall and Service Campaign - Technician Certification Requirements
  Toyota Safety Re · Technical service bulletin · Air Bags · issued Mar 17, 2021
• TSB: Some 2010 ? 2021 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually unde…
  T-SB-0012-21 · Technical service bulletin · Seats · issued Mar 5, 2021
• TT: Some 2021 model year Sienna vehicles may exhibit a condition where the power slide door sensor assembly has a wavy or poor appearance.
  T-TT-0643-21 · Technical service bulletin · Structure · issued Feb 22, 2021
• TT: Any customer brake concern in the New York and Boston Regions ONLY.
  T-TT-0641-21 Rev · Technical service bulletin · Service Brakes · issued Feb 22, 2021
• TT: Any customer brake concern in the New York and Boston Regions ONLY.
  T-TT-0641-21 · Technical service bulletin · Service Brakes · issued Feb 9, 2021
• TSB: 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…
  T-SB-0032-20 Rev · Technical service bulletin · Equipment · issued Feb 3, 2021
• TSB: Some customers may notice an abnormal brake feel in their 2021 model year Sienna Hybrid vehicle that could be described as a longer than usual brake pedal stroke. This may occ…
  T-SB-0006-21 · Technical service bulletin · Service Brakes · issued Feb 1, 2021
• TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…
  T-SB-0095-20 Rev · Technical service bulletin · Electrical System · issued Jan 25, 2021
• TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular c…
  T-TT-0599-20 Rev · Technical service bulletin · Back Over Prevention · issued Jan 20, 2021
• TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1060) or Premium Audio (version 1060) or earlier may exhibit the following concern: ?Distorted screen when usin…
  T-SB-0066-20 Rev · Technical service bulletin · Equipment · issued Dec 17, 2020
• TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…
  T-SB-0095-20 Rev · Technical service bulletin · Electrical System · issued Dec 14, 2020
• TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…
  T-SB-0095-20 Rev · Technical service bulletin · Electrical System · issued Dec 14, 2020
• TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document.
  T-TT-0634-20 · Technical service bulletin · Electrical System · issued Nov 13, 2020
• TSB: 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 Techstream Software Health Check …
  T-SB-0111-20 · Technical service bulletin · Equipment · issued Nov 6, 2020
• 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 PD…
  T-SB-0108-20 · Technical service bulletin · Equipment · issued Oct 22, 2020
• TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first ti…
  T-SB-0039-20 Rev · Technical service bulletin · Electrical System · issued Oct 22, 2020
• TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinis…
  T-SB-0029-20 Rev · Technical service bulletin · Wheels · issued Oct 22, 2020
• TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain,…
  T-SB-0035-20 Rev · Technical service bulletin · Equipment · issued Oct 22, 2020
• TSB: 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 r…
  T-SB-0107-20 · Technical service bulletin · Back Over Prevention · issued Oct 21, 2020
• TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle com…
  T-SB-0037-20 Rev · Technical service bulletin · Equipment · issued Oct 20, 2020
• TSB: 2021 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize re…
  T-SB-0028-20 Rev · Technical service bulletin · Equipment · issued Oct 9, 2020
• TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid Vehicle (HV) battery ?Auxiliary (12V) battery If the hybrid vehicle is put into storage, the State-Of-Charge …
  T-SB-0040-20 Rev · Technical service bulletin · Electrical System · issued Jun 8, 2020
• 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 ke…
  T-SB-0064-18 Rev · Technical service bulletin · Equipment · issued Jun 3, 2020
• TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics -The lashing holes are intended to be plugged during Pre-Delivery …
  T-TT-0613-20 · Technical service bulletin · Structure · issued May 28, 2020
• TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular c…
  T-TT-0599-20 Rev · Technical service bulletin · Back Over Prevention · issued Mar 16, 2020
• Replacement vin plates.
  T-PG007-01 · Technical service bulletin · Equipment · issued May 4, 2001
• Product general information.
  T-PG002-91 · Technical service bulletin · Equipment · issued Jan 18, 1991