2023 Toyota Highlander service bulletins & manufacturer communications

130 manufacturer communications are on file with NHTSA for the 2023 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
• 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
• A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlande…
  T-SB-0083-25 · Technical service bulletin · Electrical System · issued Nov 7, 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
• A new head unit software update is available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota Multime…
  T-SB-0015-24 Rev2 · Technical service bulletin · Electrical System · issued Sep 9, 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-0779-25 · 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-0779-25 · Technical service bulletin · Electrical System · issued Apr 2, 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
• TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
  LSB006523 · Technical service bulletin · Engine and Engine Cooling · issued Dec 19, 2024
• Some 2022 – 2024 model year Tundra and 2023 model year Highlander vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P162B87 (Lost Communication with Batt…
  T-SB-0050-24 Rev2 · Technical service bulletin · Electrical System · issued Dec 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 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
• The table below 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 la…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Oct 24, 2024
• SECOND KEY DELIVERY PROGRAM 23TJ01 Multiple Models and Model Years Second Key Delivery Program Frequently Asked Questions
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Oct 24, 2024
• The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting c…
  23TJ01 · Service campaign · Unknown OR Other · issued Oct 24, 2024
• The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affecte…
  23TJ01 · Service campaign · Unknown OR Other · issued Oct 24, 2024
• Some 2022 model year Avalon and Avalon Hybrid, 2022 – 2024 model year Camry, Camry Hybrid, Corolla, Corolla Hatchback, Corolla Hybrid, Highlander, Highlander Hybrid, Prius, Prius P…
  T-SB-0098-24 · Technical service bulletin · Structure · issued Oct 18, 2024
• Technical instructions for special service campaign 24tc05 malfunction indicator lamp (mil) is on with dtc p05ce00 software update certain 2023 & 2024 highlander vehicles certain 2…
  24TC05 · Technical service bulletin · Electrical System · issued Oct 10, 2024
• Some 2022 – 2024 model year Tundra and 2023 model year Highlander vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P162B87 (Lost Communication with Batt…
  T-SB-0050-24 Rev1 · Technical service bulletin · Electrical System · issued Oct 8, 2024
• Some 2023 model year RAV4 Prime vehicles with Data Communication Module (DCM) firmware version earlier than LG-N210hh1V1V-09 may exhibit a condition in which the remote climate sys…
  T-SB-0062-24 Rev1 · Technical service bulletin · Electrical System · issued Oct 1, 2024
• The table below 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 la…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Sep 25, 2024
• SECOND KEY DELIVERY PROGRAM Frequently Asked Questions
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Sep 25, 2024
• The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affecte…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Sep 25, 2024
• The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engi…
  24TC05 · Service campaign · Engine · issued Sep 19, 2024
• SPECIAL SERVICE CAMPAIGN 24TC05 Frequently Asked Questions
  24TC05 · Technical service bulletin · Electrical System · issued Sep 19, 2024
• Technical instructions for special service campaign 24tc05 malfunction indicator lamp (mil) is on with dtc p05ce00 software update certain 2023 & 2024 highlander vehicles certain 2…
  24TC05 · Technical service bulletin · Engine · issued Sep 18, 2024
• The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engi…
  24TC05 · Service campaign · Electrical System · issued Sep 18, 2024
• The Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engi…
  24TC05 · Service campaign · Engine · issued Sep 17, 2024
• Frequently Asked Questions Original Publication Date: September 19, 2024
  24TC05 · Technical service bulletin · Electrical System · issued Sep 17, 2024
• 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 a…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Sep 17, 2024
• The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affecte…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Sep 17, 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
• OBSOLETE NOTICE July 18, 2024: This bulletin is now obsolete. Please see T-SB-0062-24.
  T-SB-0027-24 Rev1 · Technical service bulletin · Electrical System · issued Jul 18, 2024
• Some 2023 model year RAV4 Prime vehicles with Data Communication Module (DCM) firmware version earlier than LG-N210hh1V1V-09 may exhibit a condition in which the remote climate sys…
  T-SB-0062-24 · Technical service bulletin · Electrical System · issued Jul 18, 2024
• OBSOLETE NOTICE July 18, 2024: This bulletin is now obsolete. Please see T-SB-0062-24.
  T-SB-0027-24 Rev1 · Technical service bulletin · Electrical System · issued Jul 18, 2024
• Some 2023 model year RAV4 Prime vehicles with Data Communication Module (DCM) firmware version earlier than LG-N210hh1V1V-09 may exhibit a condition in which the remote climate sys…
  T-SB-0062-24 · Technical service bulletin · Electrical System · issued Jul 18, 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
• Second Key Delivery Program Frequently Asked Questions
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting c…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• 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 a…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• Second Key Delivery Program Frequently Asked Questions
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting c…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• 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 a…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 13, 2024
• Technical instructions for special service campaign 24tc03 data communicaton module (dcm) update certain 2023 corolla, corolla cross, corolla hatchback, corolla hv, gr corolla, cro…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not have activated properly during vehicle delivery. This results in all connecte…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not have activated properly during vehicle delivery. This results in all connecte…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• Technical instructions for special service campaign 24tc03 data communicaton module (dcm) update certain 2023 corolla, corolla cross, corolla hatchback, corolla hv, gr corolla, cro…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not have activated properly during vehicle delivery. This results in all connecte…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not have activated properly during vehicle delivery. This results in all connecte…
  24TC03 · Technical service bulletin · Electrical System · issued Jun 10, 2024
• Second Key Delivery Program
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 6, 2024
• 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 a…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 6, 2024
• Second Key Delivery Program
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 6, 2024
• 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 a…
  23TJ01 · Technical service bulletin · Unknown OR Other · issued Jun 6, 2024
• Second Key Delivery Program Frequently Asked Questions
  23TJ01 · Service campaign · Unknown OR Other · issued May 31, 2024
• 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 a…
  23TJ01 · Service campaign · Unknown OR Other · issued May 31, 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
• 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 a…
  23TJ01 Eligibility · Service campaign · Unknown OR Other · issued Apr 12, 2024
• 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 a…
  23TJ01 Eligibility · Service campaign · Unknown OR Other · issued Apr 12, 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
• 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. Ke…
  T-TT-0751-24 · Technical service bulletin · Electrical System · issued Apr 1, 2024
• 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. Ke…
  T-TT-0751-24 · Technical service bulletin · Electrical System · issued Apr 1, 2024
• TSB: A head unit software update is now available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota Mu…
  T-SB-0015-24 · Technical service bulletin · Equipment · issued Mar 18, 2024
• 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 a…
  Toyota Second Ke · Technical service bulletin · Electrical System · issued Mar 12, 2024
• DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The aff…
  23TJ01_P5_Dealer · Technical service bulletin · Electrical System · issued Mar 12, 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
• 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 a…
  23TJ01 Current P · Technical service bulletin · Unknown OR Other · issued Mar 1, 2024
• DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The aff…
  23TJ01_P5_Dealer · Technical service bulletin · Unknown OR Other · issued Mar 1, 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
• TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years
  23TJ01P4C · Technical service bulletin · Electrical System · issued Nov 21, 2023
• RL: The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacti…
  23TJ01P4B · Technical service bulletin · Electrical System · issued Nov 21, 2023
• DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The aff…
  23TJ01A · Technical service bulletin · Electrical System · issued Nov 21, 2023
• TSB: Some 2023 model year Highlander vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start ?B? Camshaft Pos…
  TSB008123 · Technical service bulletin · Electrical System · issued Nov 17, 2023
• TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years
  23TJ01 · Technical service bulletin · Electrical System · issued Nov 15, 2023
• TSB: Some 2023 model year Highlander vehicles may exhibit one or both of the following conditions: ?Hesitation when accelerating from a stop. ?Non-linear acceleration from a stop o…
  TSB008723 · Technical service bulletin · Engine and Engine Cooling · issued Nov 3, 2023
• TT: Some MY23-24 Highlander and Grand Highlander/HV vehicles may experience a condition where the engine does not restart automatically following a start/stop event. However, the e…
  T-TT-0741-23 · Technical service bulletin · Equipment · issued Oct 24, 2023
• TSB: Some 2023 model year Highlander vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start ?B? Camshaft Pos…
  T-SB-0081-23 · Technical service bulletin · Electrical System · issued Oct 13, 2023
• TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years
  23TJ01b · Technical service bulletin · Electrical System · issued Aug 29, 2023
• RL: The supply of Smart Keys available for Toyota vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacti…
  23LJ01a · Technical service bulletin · Electrical System · issued Aug 29, 2023
• DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The aff…
  23TJ01 · Technical service bulletin · Electrical System · issued Aug 29, 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 · Air Bags · 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 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,…
  T-SB-0042-23 · Technical service bulletin · Wheels · issued Jul 3, 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 · Engine and Engine Cooling · issued Jun 8, 2023
• TT: When setting up the Toyota Audio Multimedia (21MM) user profile, if the QR code is not working please use the following recommendations.
  T-TT-0734-23 · Technical service bulletin · Equipment · issued May 1, 2023
• TT: Some 2022-2024 MY vehicles equipped with the A25A engine may exhibit a leak from the engine water pump, and/or MIL On condition accompanied by DTC(s): ?P26CA14 Engine Coolant P…
  T-TT-0733-23 · Technical service bulletin · Electrical System · issued Apr 21, 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 · Engine and Engine Cooling · 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
• OBSOLETE NOTICE November 28, 2022: This bulletin is now obsolete. Please see T-SB-0105-22
  T-SB-0031-22 Obs · Technical service bulletin · Communication · issued Nov 28, 2022
• OBSOLETE NOTICE November 28, 2022: This bulletin is now obsolete. Please see T-SB-0104-22.
  T-SB-0032-22 Obs · Technical service bulletin · Communication · issued Nov 28, 2022
• 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-0105-22 · Technical service bulletin · Wheels · issued Nov 28, 2022
• 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-0104-22 · Technical service bulletin · Equipment · issued Nov 28, 2022
• 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-0036-22 Rev · Technical service bulletin · Equipment · issued Nov 22, 2022
• TSB: 2023 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-0029-22 Rev · Technical service bulletin · Air Bags · issued Nov 22, 2022
• 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-Charg…
  T-SB-0033-22 Rev · Technical service bulletin · Electrical System · issued Nov 22, 2022
• TT: Some MY2022-2023 vehicles equipped with A25A-FKS or A25A-FXS engines may experience a MIL on condition with one or more of the following DTCs: P26CA12, P26CA14, P26CB71, P26CA3…
  T-TT-0714-22 · Technical service bulletin · Engine · issued Nov 7, 2022
• 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-0090-22 · Technical service bulletin · Equipment · issued Sep 30, 2022
• 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-0032-22 Rev · Technical service bulletin · Equipment · issued Sep 12, 2022
• 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-0036-22 Rev · Technical service bulletin · Equipment · issued Aug 18, 2022
• TSB: 2023 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-0029-22 Rev · Technical service bulletin · Equipment · issued Aug 18, 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