Highlander

163 service bulletins filed with NHTSA for this model year

• May 14, 2026ELECTRICAL SYSTEM22TE09

  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 at Toyota care about the customers’ ownership experience. Toyota is providing extended coverage under this Customer Support Program for repairs related to excessive corrosion to the wire harness connections at the Rear Motor Generator. Excessive corrosion can cause AM Radio Static during certain drive cycles, or the veh

• Mar 18, 2026ELECTRICAL SYSTEMT-SB-0021-26

  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 underbody air conditioner tube and accessory assembly. The anti-corrosion material has been updated to reduce the possibility of this condition.

• Feb 27, 2026ENGINET-SB-0104-21 Rev2

  OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.

• Jan 30, 2026ELECTRICAL SYSTEMT-SB-0106-22 Rev2

  OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

• Jan 28, 2026ELECTRICAL SYSTEMT-SB-0001-26

  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, points of interest, and system software.

• 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

• Nov 18, 2025STRUCTURE:BODYT-SB-0086-25

  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 opening or closing. A modified PBD unit assembly is available to address these conditions.

• Sep 25, 2025ELECTRICAL SYSTEM25TD01

  The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, water, or road salt could potentially enter the HV Floor Underwire connector housing and could cause corrosion over time. Excessive corrosion could cause AM Radio Static during certain driving cycles, or the vehicle may not start.

• and 155 more

Source: NHTSA manufacturer communications (technical service bulletins).