2026 Toyota Highlander TSBs
24 Technical Service Bulletins across 5 categories
Electrical
8 bulletins2026 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
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In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seatfloor mats to the vehicle carpet using the floor mat retainers.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
2026 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
Read full bulletin
In addition, some models may also utilize retainers for passenger side and rear seat floor mats.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
Read full bulletin
These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
2026 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
Read full bulletin
In addition, some models may also utilize retainers for passenger side and rear seat floor mats.
2026 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
Read full bulletin
In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicles glove box for customer reference.
2026 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
Read full bulletin
In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers.
Tires & Wheels
5 bulletinsDuring the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
Fuel System
5 bulletinsLong-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extendedvehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
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The guidelines included should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
Read full bulletin
The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Other
4 bulletinsOBSOLETE NOTICE February 12, 2026: This bulletin is now obsolete.
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Please see T-SB-0005-26.
OBSOLETE NOTICE February 6, 2026: This bulletin is now obsolete.
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Please see L-SB-0009-25.
OBSOLETE NOTICE February 03, 2026: This bulletin is now obsolete.
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Please see T-SB-0003-26.
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete.
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Please see T-SB-0002-26.
Body & Paint
2 bulletinsSome 2020 2026 model year Highlander and Highlander Hybrid vehicles may exhibit a water leak from the roof rack attachment clips.
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This may be caused by the sealant in the roof channel obstructing the proper seating position for the clip gasket.
Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present.
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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 and the EPA (Environmental Protection Agency) website for the most up-to-date safety and precautionary guidelines.