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Service bulletins for the 2013 Toyota Highlander

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

382 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
T-TT-0118-11 Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
T-TT-0213-132018-04-23. Service bulletin. AIR BAGS. Toyota vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not perform as expected, please follow the steps in the recommendations section below.
T-SB-0064-10 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is now obsolete. Please see T-SB-0012-13.
T-SB-0012-132018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the TIS and the CUW.
T-SB-0093-12 Rev2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. Three NEW application have been developed to enhance the Entune experience in vehicles equipped with the Display Audio Navigation System with Entune. All customers with these vehicles have been shipped instructions on this update along with a USB drive to install the new applications. In the event that a customer requests the install be performed by a technician, follow the procedures in this bulletin to perform the update.
T-SB-0026-12 Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Use the following procedures to check and/or update the software version of Entune/Navigation for Non-HDD Type Units.
T-SB-0030-12 Rev2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. Vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.1.0) may exhibit one or more of the following conditions.
T-SB-0015-12 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some 2013 model year vehicles are equipped with a Smart Key system, which allows the customer to enter and start the vehicle without using a mechanical key. To ensure the system is operating properly, the Smart Key functions (Smart Entry and Smart Start) should be inspected during Pre-Delivery Service (PDS). The following inspection procedure has been developed to confirm the proper operation of the Smart Key system prior to vehicle delivery.
T-SB-0024-12 Rev2018-04-23. Service bulletin. EQUIPMENT. 2013 model year vehicles are equipped with driver?s side floor mat retaining clips to secure the floor mat in the correct position. In addition, some models may utilize retaining clips for passenger side and rear seat floor mats as well. Follow the appropriate installation procedure to attach the driver?s side, and if applicable, the passenger?s side and rear seat floor mats to the vehicle carpet using the floor mat retaining clips during Pre-Delivery Service (PDS).
T-SB-0020-12 Rev2018-04-23. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. The purpose of this bulletin is to provide a procedure to adjust tire pressure correctly when outside temperature is significantly colder or warmer than shop temperature. Seasonal temperature change can dramatically alter tire pressure, which can cause the tire pressure warning lamp to illuminate.
T-SB-0005-132018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Toyota models equipped with the display Audio HDD Navigation System Require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. The SST is used with all vehicles to deliver the update, however a unique Activation Number is required for each vehicle. Activation numbers are provided in an ACN pamphlet available through the normal parts ordering system.
T-SB-0064-10 Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.
SST Requirements2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SSTs are key elements to provide your customers with swift and accurate repairs resulting in superior customer satisfaction.
T-TT-0226-132018-04-23. Service bulletin. ELECTRICAL SYSTEM. The customer is having difficulty changing the multi-display screen from Day Mode. If the multi-display screen is set to Day Mode when the headlights are on, the setting we be memorized when the engine is turned off.
T-TT-0223-132018-04-23. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
T-SB-0034-132018-04-23. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. Some 2008 ? 2013 model year Highlander and Highlander HV vehicles may exhibit a clunk, pop, or knock-type noise when turning the steering wheel left or right. A new intermediate shaft has been developed to address this condition. Use the following repair procedure to remove and replace the steering intermediate shaft.
T-SB-0391-08 Rev2018-04-23. Service bulletin. POWER TRAIN. This bulletin contains general vehicle pulling diagnosis and repair procedures along with specific information to help correct pulling complaints.
T-SB-0033-132018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some customers may inquire about the frequency and power output of the Smart Key/Smart Entry systems used on various models. The Smart Key/Smart Entry systems conform to all applicable FCC rules. This bulletin details the applicable specifications for these systems.
T-TT-0005-102018-04-23. Service bulletin. ENGINE. Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0W-20 viscosity engine oil. There a re man benefits of this oil.
T-SB-0030-12 Rev2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin is now obsolete. Please see T-SB-0051-13.
T-SB-0051-132018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. 2012-2013 model year vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.2.0) may exhibit one or more of the following conditions.
T-SB-0041-132018-04-23. Service bulletin. ENGINE. Immediately following a cold soak startup, some 2009 ? 2013 model year vehicles equipped with 1AR-FE or 2AR-FE engines may exhibit a brief knock/rattle noise from the engine compartment for approximately one second. Follow the repair procedure below to address this condition.
T-TT-0288-142018-04-23. Service bulletin. ENGINE AND ENGINE COOLING. Prior to installing remanufactured U660 and U760 transaxles, it is necessary to remove the lower oil cooler tube union from the original transaxle case and install it into the reman unit. A NEW O-ring and printed installation instructions are supplied in separate bag with the reman unit. An instruction tag is also affixed to the unit.
T-TT-0223-132018-04-23. Service bulletin. ELECTRICAL SYSTEM. The vehicle will not start or ready0on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side. If the operator attempts to ready-on or start the vehicle while there is tension on the steering lock actuator, it will not be able to fully disengage when the "ENGINE START STOP" or "POWER" switch is depressed. This condition will cause the "ENGINE START STOP" or "POWER" switch's LED to flash green and the vehicle will fail to ready-on or start.
T-SB-0229-12_Rev2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent malfunction. Although any flooding can be damaging, salt water flooding elevates the potential for abnormal conditions and may increase risks due to its highly corrosive and conductive nature. Salt residue also continues to corrode and remain conductive even after a vehicle dries. This bulletin is intended to assist with safe handling and inspection of flood damaged vehicles and to provide basic guidance on likely needed repairs.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.