2026 Toyota 4RUNNER Technical Service Bulletins

30 technical service bulletins (TSBs) are on record for the 2026 Toyota 4RUNNER. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11036129Jul 20, 2026Brakes. Some 2024 – 2026 model year Land Cruiser, and 2025 – 2026 model year 4Runner and 4Runner Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving in reverse.
• 11034826Jun 25, 2026Other or unknown. 2026 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 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…
• 11034819Jun 18, 2026Other or unknown. 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 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.
• 11034813Jun 10, 2026Other or unknown. 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, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 11034812Jun 10, 2026Other or unknown. Long-term or off-site storage requires special care to maintain vehicle condition. The following guidelines should be performed to minimize vehicle component/part degradation due to extendedvehicle storage conditions. Long-term storage can affect a vehicle’s systems and components. Any problems that are found should be corrected immediately.
• 11033414May 19, 2026Brakes. Some 2024 – 2026 model year Land Cruiser, and 2025 – 2026 model year 4Runner and 4Runner Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving in reverse.
• 11032475Apr 15, 2026Other or unknown. 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 PDS: • Careful inspection for paint chips/scratches and body dents/dings. • Proper operation of electrical accessories (including interior light, clock, and radio reset). • Interior cleanliness. • Proper function of mechanical systems. The PDS…
• 11029891Feb 12, 2026Brakes. OBSOLETE NOTICE February 12, 2026: This bulletin is now obsolete. Please see T-SB-0006-26.
• 11029890Feb 12, 2026Other or unknown. OBSOLETE NOTICE February 12, 2026: This bulletin is now obsolete. Please see T-SB-0005-26.
• 11029883Feb 11, 2026Brakes. Some 2024 – 2026 model year Land Cruiser, and 2025 – 2026 model year 4Runner and 4Runner Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving in reverse.
• 11029879Feb 6, 2026Other or unknown. 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, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 11029878Feb 6, 2026Other or unknown. OBSOLETE NOTICE February 6, 2026: This bulletin is now obsolete. Please see L-SB-0009-25.
• 11029876Feb 5, 2026Other or unknown. 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 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.
• 11029872Feb 3, 2026Other or unknown. OBSOLETE NOTICE February 03, 2026: This bulletin is now obsolete. Please see T-SB-0003-26.
• 11029871Feb 2, 2026Other or unknown. 2026 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 retainers for passenger side and rear seat floor mats.
• 11028725Jan 30, 2026Other or unknown. OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0002-26.
• 11028723Jan 28, 2026Other or unknown. Long-term or off-site storage requires special care to maintain vehicle condition. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle’s systems and components. Any problems that are found should be corrected immediately.
• 11028712Jan 7, 2026Other or unknown. 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…
• 11026320Nov 19, 2025Brakes. Some 2024 – 2026 model year Land Cruiser, and 2025 – 2026 model year 4Runner and 4Runner Hybrid vehicles may exhibit a condition where the front brakes produce a squealing noise when driving in reverse.
• 11026317Nov 18, 2025Other or unknown. 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, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 11026316Nov 18, 2025Other or unknown. Long-term or off-site storage requires special care to maintain vehicle condition. The guidelines included should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle’s systems and components. Any problems that are found should be corrected immediately.
• 11026315Nov 18, 2025Other or unknown. 2026 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 retainers for passenger side and rear seat floor mats.
• 11026314Nov 18, 2025Other or unknown. 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 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.
• 11026310Nov 12, 2025Other or unknown. 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 PDS: •Careful inspection for paint chips/scratches and body dents/dings. •Proper operation of electrical accessories (including interior light, clock, and radio reset). •Interior cleanliness. •Proper function of mechanical systems. The PDS…
• 11020646Jun 2, 2025Other or unknown. Long-term or off-site storage requires special care to maintain vehicle condition. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle’s systems and components. Any problems that are found should be corrected immediately.
• 11020645Jun 2, 2025Other or unknown. 2026 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 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…
• 11020644Jun 2, 2025Other or unknown. 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 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.
• 11014188Jan 21, 2025Other or unknown. Long-term or off-site storage requires special care to maintain vehicle condition. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle’s systems and components. Any problems that are found should be corrected immediately.
• 11014187Jan 21, 2025Other or unknown. 2026 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 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…
• 11014184Jan 16, 2025Wheels. 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 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.

← All problems reported for the 2026 Toyota 4RUNNER