Highlander Hybrid AWD

230 service bulletins filed with NHTSA for this model year

• Feb 13, 2026ENGINET-SB-0119-15 Rev2

  OBSOLETE NOTICE February 13, 2026: This bulletin is now obsolete. Please see T-SB-0009-26.

• Feb 13, 2026ENGINET-SB-0009-26

  This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV) batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing a rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger.

• Jan 7, 2026UNKNOWN OR OTHERT-SB-0055-24 Rev2

  Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle for odor remediation. Refer to the applicable model and model year Repair Manual a

• Aug 20, 2025ELECTRICAL SYSTEMT-TT-0790-25

  Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.

• Jun 13, 2025ELECTRICAL SYSTEMT-SB-0058-23 Rev1

  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 Bulletin aid in locating, inspecting, and repairing refrigerant leaks.

• Jan 30, 2025SERVICE BRAKES24TE05

  Although the Brake Booster and Brake Booster Pump Assemblies are covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to certain internal malfunctions of the Brake Booster and Brake Booster Pump Assemblies in some of the subject vehicles.

• Jan 29, 2025SERVICE BRAKEST-SB-0014-25

  Some 2017 – 2019 model year Highlander Hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following specific Diagnostic Trouble Codes (DTCs): C1391, C1252, C1256, and/or C1253 will be stored in the vehicle memory to be used as verification. This condition may be caused by a small internal brake fluid leak inside the brake actuator.

• Dec 6, 2024STRUCTURE:BODYT-SB-0039-24 Rev2

  The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as pitting or water spots. As acid rain droplets on the vehicle surface evaporate, the

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Source: NHTSA manufacturer communications (technical service bulletins).