2021 Toyota Highlander service bulletins & manufacturer communications

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

• Some 2020 – 2026 model year Highlander and Highlander Hybrid vehicles may exhibit a water leak from the roof rack attachment clips. This may be caused by the sealant in the roof ch…
  T-SB-0040-24 Rev1 · Technical service bulletin · Structure · issued Jun 25, 2026
• Some 2020 – 2024 model year Highlander and Highlander Hybrid vehicles may exhibit a condition in which the air conditioner does not cool due to a leak and/or corrosion in the rear …
  T-SB-0021-26 · Technical service bulletin · Electrical System · issued Mar 18, 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 OR Other · issued Jan 7, 2026
• Some 2020 – 2023 model year Highlander and Highlander Hybrid vehicles may exhibit a condition in which the Power Back Door (PBD) will not open or close and/or stops moving while op…
  T-SB-0086-25 · Technical service bulletin · Structure · issued Nov 18, 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 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
• 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
• 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
• 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
• 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
• Technical instructions limited service campaign 22td02 fuel inlet housing certain 2021 model year highlander certain 2021 model year highlander hybrid
  22TD02 · Technical service bulletin · Fuel/propulsion System · issued Feb 7, 2025
• 22TD02 expired on 2/7/2025 A seam near the fuel inlet may not have been properly sealed during manufacturing. This can allow water to leak into the interior area of the vehicle, be…
  22TD02 · Service campaign · Fuel/propulsion System · issued Feb 7, 2025
• Technical instructions limited service campaign 22td02 fuel inlet housing certain 2021 model year highlander certain 2021 model year highlander hybrid
  22TD02 · Technical service bulletin · Fuel/propulsion System · issued Feb 7, 2025
• 22TD02 expired on 2/7/2025 A seam near the fuel inlet may not have been properly sealed during manufacturing. This can allow water to leak into the interior area of the vehicle, be…
  22TD02 · Service campaign · Fuel/propulsion System · issued Feb 7, 2025
• TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
  LSB006523 · Technical service bulletin · Unknown OR Other · issued Dec 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 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
• 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
• 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
• 22TD02 Renotification Letter Certain 2021 Model Year Highlander and Highlander Hybrid Vehicles Sealant for a Seam near the Fuel Inlet Limited Service Campaign 22TD02
  22TD02 · Technical service bulletin · Unknown OR Other · issued Oct 25, 2024
• Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose vehicles have not yet had the following Safety Recall or Service Campaign repairs…
  22TD02 · Technical service bulletin · Unknown OR Other · issued Oct 15, 2024
• Service Campaign completion is an important part of our commitment to customer satisfaction of Toyota products. Toyota will be conducting follow-up notifications to remind owners w…
  22TD02 · Technical service bulletin · Unknown OR Other · issued Oct 15, 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
• Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose vehicles have not yet had the following Safety Recall and/or Service Campaign rep…
  Toyota Renotification RL · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• Safety Recall and Service Campaign completion is an important part of our commitment to customer satisfaction of Toyota products. Toyota will be conducting follow-up notifications …
  Toyota Renotification DL · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• Toyota plans to conduct Safety Recall and Service Campaign follow-up notifications to owners whose vehicles have not yet had the following Safety Recall and/or Service Campaign rep…
  Toyota Renotification RL · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• Safety Recall and Service Campaign completion is an important part of our commitment to customer satisfaction of Toyota products. Toyota will be conducting follow-up notifications …
  Toyota Renotification DL · Technical service bulletin · Unknown OR Other · issued Jun 17, 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
• 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 2020 􀂱 2023 model year Highlander and Highlander Hybrid vehicles may exhibit a water leak from the roof rack attachment clips. This may be caused by the sealant in the roof c…
  T-SB-0040-24 · Technical service bulletin · Structure · issued Apr 22, 2024
• Some 2020 􀂱 2023 model year Highlander and Highlander Hybrid vehicles may exhibit a water leak from the roof rack attachment clips. This may be caused by the sealant in the roof c…
  T-SB-0040-24 · Technical service bulletin · Structure · issued Apr 22, 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
• 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
• 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
• 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
• 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 OR Other · issued Feb 20, 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 · Engine and Engine Cooling · issued Feb 15, 2024
• Ti: technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highland…
  22TC01 Technical · Technical service bulletin · Electrical System · issued Oct 18, 2023
• TSB: Some drivers of 2020 ? 2022 model year Highlander Hybrid vehicles may be sensitive to the momentary transition from regenerative braking to hydraulic braking under certain dri…
  TSB005923 · Technical service bulletin · Air Bags · issued Aug 29, 2023
• TSB: Some 2020 ? 2022 model year Highlander and RAV4 vehicles, and 2022 model year Tundra vehicles equipped with a start/stop switch may exhibit water entry to the vehicle from the…
  TSB002123 · Technical service bulletin · Visibility · issued Aug 21, 2023
• TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this…
  TSB005823 · Technical service bulletin · Visibility · issued Aug 21, 2023
• 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…
  TSB003220 · Technical service bulletin · Vehicle Speed Control · issued Aug 17, 2023
• OBSOLETE NOTICE August 17, 2023: This bulletin is no longer applicable and is now obsolete
  TSB005123 · Technical service bulletin · Unknown OR Other · issued Aug 17, 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 · Communication · issued Aug 17, 2023
• TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or ot…
  T-TT-0726-23 · Technical service bulletin · Back Over Prevention · issued Jul 10, 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
• TSB: Some 2020 ? 2022 model year Highlander and RAV4 vehicles, and 2022 model year Tundra vehicles equipped with a start/stop switch may exhibit water entry to the vehicle from the…
  T-SB-0021-23 · Technical service bulletin · Visibility · issued May 11, 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 Model Year 2018-2023 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…
  T-TT-0699-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Mar 27, 2023
• TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or ot…
  T-TT-0726-23 · Technical service bulletin · Back Over Prevention · issued Mar 23, 2023
• TT: Some 2021 to 2023 MY vehicles equipped Rear Motor Generator, MGR (Q610) may experience an oil leak concern. This issue is currently under investigation
  T-TT-0723-23 · Technical service bulletin · Engine and Engine Cooling · issued Mar 20, 2023
• TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, and 2017 ? 2020 model year Sienna vehicles equipped with a 2GR-FKS engine …
  T-SB-0115-22 Rev · Technical service bulletin · Fuel System, Gasoline · issued Mar 6, 2023
• TT: On some 2021-2022MY Highlander HV, RAV4 HV, RAV4 Prime and Venza models, the connector cover for the Under Floor Wire Harness for the Rear Motor Generator may have the appearan…
  T-TT-0690-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Mar 3, 2023
• TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, 2017 ? 2020 model year Sienna, and 2016 ? 2023 model year Tacoma vehicles …
  T-SB-0115-22 · Technical service bulletin · Fuel System, Gasoline · issued Dec 22, 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 Dec 19, 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 · Electrical System · 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
• 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 Rev · Technical service bulletin · Air Bags · issued Nov 23, 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…
  T-TT-0699-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Sep 28, 2022
• TT: Some Model Year 2018-2022 vehicles equipped with A25A-FKS or A25A-FXS engines may experience a MIL ON condition with the following DTCs: P043F00, P043E00, P24007E, P24007F, P24…
  T-TT-0708-22 · Technical service bulletin · Engine and Engine Cooling · issued Sep 22, 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: Some 2020 ? 2022 Highlander and Highlander Hybrid, and 2021 ? 2022 model year Venza Hybrid vehicles equipped with the 12.3-in. Premium Audio system may exhibit an abnormal mul…
  T-SB-0055-22 Rev · Technical service bulletin · Equipment · issued Aug 1, 2022
• TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1021) or Premium Audio (version 1021) or earlier may exhibit one or more of the following conditions: ?Barge in…
  TSB004321Rev2 · Technical service bulletin · Parking Brake · issued Jul 14, 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
• TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst materi…
  TTT069822 · Technical service bulletin · Electrical System · issued Jun 20, 2022
• TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst materi…
  TTT069822 · Technical service bulletin · Engine and Engine Cooling · issued Jun 20, 2022
• TSB: Some 2020 ? 2022 Highlander and Highlander Hybrid, and 2021 ? 2022 model year Venza Hybrid vehicles equipped with the 12.3-in. Premium Audio system may exhibit an abnormal mul…
  TSB005522 · Technical service bulletin · Equipment · issued Jun 15, 2022
• TSB: Some 2020 ? 2022 Highlander and Highlander Hybrid, and 2021 ? 2022 model year Venza Hybrid vehicles equipped with the 12.3-in. Premium Audio system may exhibit an abnormal mul…
  TSB005522 · Technical service bulletin · Equipment · issued Jun 15, 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 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
• 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: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Toyota vehicles equipped …
  T-SB-0015-21 Rev · Technical service bulletin · Engine and Engine Cooling · 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
• TSB: Some 2020 ? 2022 model year Highlander (except XSE models) and Highlander Hybrid vehicles may exhibit an abnormal whistle noise from the front when driving over 35 mph. This m…
  TSB004822 · Technical service bulletin · Structure · issued May 16, 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
• DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Co…
  Service Campaign · Technical service bulletin · Electrical System · issued May 11, 2022
• Technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highlander h…
  22TC01 Technical · Technical service bulletin · Electrical System · issued Apr 27, 2022
• Technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highlander h…
  22TC01 · Technical service bulletin · Electrical System · issued Apr 25, 2022
• DD: LIMITED SERVICE CAMPAIGN 22TD02 (Remedy Notice) Dealer Letter and Technical Instructions Available on TIS Certain 2021 Model Year Highlander and Highlander Hybrid Sealant for a…
  22TD02 · Technical service bulletin · Structure · issued Apr 14, 2022
• Ti: technical instructions limited service campaign 22ld01 optional body-colored rear spoiler designed for: certain 2021 model year is highlander and highlander hybrid vehicles
  22LD01 · Technical service bulletin · Structure · issued Apr 14, 2022
• Ti: technical instructions limited service campaign 22td02fuel inlet housing certain 2021 model year highlander certain 2021 model year highlander hybrid
  Limited Service · Technical service bulletin · Structure · issued Apr 14, 2022
• DL: A seam near the fuel inlet may not have been properly sealed during manufacturing. This can allow water to leak into the interior area of the vehicle, behind the third-row seat…
  22TD02 Remedy No · Technical service bulletin · Structure · issued Apr 14, 2022
• SSC: Toyota Over-The- Air (OTA) Pilot Program Team Members SPECIAL SERVICE CAMPAIGN 22TC01
  22TC01 Team Memb · Technical service bulletin · Equipment · issued Apr 7, 2022
• 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…
  TTT059920 Rev4 · Technical service bulletin · Equipment · issued Mar 24, 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
• TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G may experience an engine oil leak condition from the No.2 Oil pan. This i…
  TTT068522 · Technical service bulletin · Engine and Engine Cooling · issued Mar 21, 2022
• TT: On some 2021-2022MY Highlander HV, RAV4 HV, RAV4 Prime and Venza models, the connector cover for the Under Floor Wire Harness for the Rear Motor Generator may have the appearan…
  TTT069022 · Technical service bulletin · Engine and Engine Cooling · issued Mar 14, 2022
• TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosis
  T-TT-0687-22 · Technical service bulletin · Electrical System · issued Mar 8, 2022
• TT: The purpose of this Tech Tip is to provide diagnostic tips to prevent misdiagnosis of the following DTC?s and prevent repeat repairs. One or more of the Heated Oxygen Sensors (…
  T-TT-0686-22 · Technical service bulletin · Engine and Engine Cooling · issued Mar 8, 2022
• TT: Some 2017-2022 Highlander, and 2017-2020 Sienna vehicles may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Please …
  T-TT-0685-22 · Technical service bulletin · Engine · issued Mar 8, 2022
• SSC: SPECIAL SERVICE CAMPAIGN 22TC01 Over-the-Air (OTA) pilot program. This pilot program would enable you to complete Special Service Campaign 22TC01 for DCM (Data Communication M…
  22TC01 Team Memb · Technical service bulletin · Electrical System · issued Mar 3, 2022
• 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 · Electrical System · issued Mar 3, 2022
• Ti: technical instructions for 22tc01 data communication module (dcm) reprogramming certain 2021 model year c-hr, rav4 prime, tundra certain 2021-2022 4runner, highlander, highland…
  22TC01 Technical · Technical service bulletin · Electrical System · issued Feb 24, 2022
• RL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Co…
  22TC01 Region Le · Technical service bulletin · Electrical System · issued Feb 24, 2022
• DL: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Co…
  22TC01 Dealer Le · Technical service bulletin · Electrical System · issued Feb 24, 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…
  T-SB-0012-21 Rev · Technical service bulletin · Seats · issued Feb 1, 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 · Tires · issued Jan 12, 2022
• TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1060) or Premium Audio (version 1060) or earlier may exhibit the following condition: ?Distorted screen when us…
  T-SB-0043-21 Rev · Technical service bulletin · Equipment · issued Jan 7, 2022
• 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 · Engine · 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: Special Service Campaign 21TC05 applies to the following condition: The fuel gauge needle and the ?distance to empty? estimated in the vehicle display accurately indicate the a…
  T-TT-0665-21 Rev · Technical service bulletin · Equipment · issued Sep 21, 2021
• TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available …
  T-TT-0663-21 · Technical service bulletin · Visibility · issued Sep 3, 2021
• TSB: Some 2006 ? 2022 model year Toyota vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect ne…
  T-SB-0080-19 Rev · Technical service bulletin · Equipment · issued Jul 26, 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
• TT: Some 2014-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front c…
  T-TT-0659-21 Rev · Technical service bulletin · Power Train · issued Jul 6, 2021
• 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-0050-21 · Technical service bulletin · Equipment · issued Jul 6, 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 · Wheels · 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
• 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 · Equipment · 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 · Electrical System · issued May 7, 2021
• TSB: Some 2020 ? 2021 model year vehicles equipped with Audio, Audio Plus, or Premium Audio (versions 1784) or earlier may exhibit one or more of the following conditions: ?Intermi…
  T-SB-0025-21 · Technical service bulletin · Equipment · issued May 3, 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
• TSB: Some 2021 model year Avalon, Highlander, and Camry vehicles equipped with UA80E or UA80F transmissions may exhibit a whine or grind noise from the transmission. This condition…
  T-SB-0008-21 · Technical service bulletin · Power Train · 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
• 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 ? 2021 model year Tundra vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoper…
  T-SB-0146-19 Rev · Technical service bulletin · Back Over Prevention · issued Jan 5, 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
• 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 · Equipment · issued Nov 13, 2020
• TSB: This bulletin includes basic procedures for performing an at battery rescue charge on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction…
  T-SB-0110-20 · Technical service bulletin · Equipment · issued Nov 2, 2020
• TT: Beginning with the 2021MY, Highlander models no longer have front underbody holes and therefore do not require the installation of body plugs. The rear underbody holes still re…
  T-TT-0633-20 · Technical service bulletin · Equipment · issued Oct 30, 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 · Trailer Hitches · 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
• TT: HVAC drain tube is found to be blocked/clogged.
  T-TT-0628-20 · Technical service bulletin · Engine and Engine Cooling · 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: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
  T-SB-0103-20 · Technical service bulletin · Engine and Engine Cooling · issued Oct 16, 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: 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-0087-20 · Technical service bulletin · Equipment · issued Sep 4, 2020
• TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condi…
  T-TT-0615-20 Rev · Technical service bulletin · Engine · issued Aug 7, 2020
• TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condi…
  T-TT-0615-20 Rev · Technical service bulletin · Equipment · issued Aug 7, 2020
• TSB: OBSOLETE NOTICE August 3, 2020: This bulletin is no longer applicable and is now obsolete.
  T-SB-0027-20 Obs · Technical service bulletin · Equipment · issued Aug 3, 2020
• TSB: OBSOLETE NOTICE August 3, 2020: This bulletin is no longer applicable and is now obsolete.
  T-SB-0027-20 Obs · Technical service bulletin · Equipment · issued Aug 3, 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 · Trailer Hitches · issued Jul 31, 2020
• TSB: All 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 utiliz…
  T-SB-0028-20 Rev · Technical service bulletin · Equipment Adaptive/mobility · issued Jul 31, 2020
• TSB: TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with a specially developed light adhesive) for 2021 model year Toyota vehi…
  T-SB-0027-20 Rev · Technical service bulletin · Structure · issued Jul 31, 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 Jul 27, 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 Jul 27, 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 Jul 27, 2020
• TT: Repairing a 1234YF HVAC system on a gas powered (non-hybrid) Toyota vehicle may require additional compressor oil to complete the repairs. The various 1234YF compressor oils (N…
  T-TT-0552-19 Rev · Technical service bulletin · Engine and Engine Cooling · issued Jun 23, 2020
• TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condi…
  T-TT-0615-20 Rev · Technical service bulletin · Engine · issued Jun 12, 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 · Electrical System · issued Jun 3, 2020
• TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle drivability. Specifically, we are looking at vehicle surge/hesitation condi…
  T-TT-0615-20 · Technical service bulletin · Engine · issued Jun 1, 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 · Equipment · issued May 28, 2020
• 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 · Technical service bulletin · Equipment · issued May 18, 2020
• 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 situatio…
  T-TT-0606-20 · Technical service bulletin · Equipment · issued Apr 23, 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 · Technical service bulletin · Equipment · issued Apr 15, 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 · Technical service bulletin · Equipment · issued Apr 14, 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 · Technical service bulletin · Electrical System · issued Apr 14, 2020
• 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 c…
  T-TT-0537-19_Rev · Technical service bulletin · Visibility · issued Apr 9, 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 · Electrical System · 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