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Service bulletins for the 2016 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.

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

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Bulletins, newest first
T-SB-0012-13 Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
T-SB-0167-162018-04-02. Service bulletin. STRUCTURE:BODY:DOOR. TSB: Some 2014 ? 2016 model year Highlander and Highlander HV vehicles may exhibit a condition in which the door handle material insert of the driver or passenger side door panels is creased, wrinkly, or has started peeling. This condition can occur on either the front or rear door panels and is NOT exclusive to any specific color code. This Service Bulletin ONLY applies to the door handle material insert. Follow the procedure in this bulletin to address this condition.
T-SB-0142-13 Rev2018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: REVISION NOTICE November 10, 2016 Rev2: ? Applicability has been updated to include 2016 ? 2017 model year Toyota vehicles. ? Parts Information section has been updated. Some 2004 ? 2017 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
T-TT-0315-14 Rev2018-04-02. Service bulletin. WHEELS. TT: Chrometec (plastic clad) wheels are being damaged during mounting and dismounting of tires.
T-TT-0424-162018-04-02. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. TT: Front Brake Vibration Key Points: * Issue can occur at any time if improper torque is applied on lug nuts * Over time, even one lug nut over or under torqued, can cause a vibration issue * When lug nuts are over torqued, this causes the rotor to have a runout out condition which can lead to brake vibration concerns * Brake vibration issues can occur at parking lot to highway speeds * Brake vibration issues can occur at light to moderate braking * Tightening lug nuts in a star pattern method during the torqueing process will assure that even/equal pressure is applied across the rotor hub surface * Torque sticks/wrenches should be used to apply accurate torque values when tightening * Do Not use impact guns/ratchets to completely run lug nuts up to the wheel surface
T-SB-0149-162018-04-02. Service bulletin. WHEELS; EQUIPMENT. TSB: Some 2014 ? 2016 Highlander/HV vehicles may exhibit a condition where the spare tire cable does NOT fully unwind. This condition can occur when the spare tire carrier is operated without the wheel attached. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0103-16 Rev2018-04-02. Service bulletin. UNKNOWN OR OTHER. TSB: REVISION NOTICE October 14, 2016 Rev1: Applicability has been updated to include 2017 model year Prius V vehicles. Any previous printed versions of this bulletin should be discarded.
T-TT-0339-15_Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. TT: Some vehicles may exhibit an error message when trying to perform a radio software update: "Unable to update the software. Please try again later." If the following screen is seen; follow the directions below.
T-TT-0453-17-Rev2018-04-02. Service bulletin. EQUIPMENT. TT: Previously, an error message was received when performing DCM activation initiated by Techstream. This condition has been remedied, and DCM activation utilizing Techstream can now be resumed.
T-TT-0400-16 Rev2018-04-02. Service bulletin. SUSPENSION. TT: POST TSB Rear Trailing Arm Noise.
T-TT-0309-14 Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM. TT: Some customers may experience Bluetooth disconnections or loss of SMS text message functionality on the navigation/audio system with Android phones running OS 4.4 or later. Condition tends to occur to customers who have many previous text messages on their phones.
T-TT-0327-152018-04-02. Service bulletin. STRUCTURE; SERVICE BRAKES, HYDRAULIC. TechTip: Some vehicles may exhibit a condition in which the front corner mounting point of the side shield would separate from the lower frame assembly. This condition may occur when the customer enters or exits the vehicle and significant downward pressure is placed directly on the seat cushion shield. This condition could also potentially show a significant gap at the top of the shield to the cushion, or complete separation from either the front or rear retainer/engagement points.
T-TT-0339-152018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TT: Some vehicles may exhibit an error message when trying to perform a radio software update: ?Unable to update the software. Please try again later.? If the following screen is seen; follow the directions below.
T-TT-0293-14 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The first year of service is provided in the vehicle purchase price. Once the subscription has lapsed the DCM will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
T-TT-0355-152018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TechTip: Condition: Customers may experience connectivity issues when the following conditions are met: The customer?s iPhone is operating on iOS9 firmware The customer?s iPhone is connected to the vehicle via Bluetooth. If the vehicle is equipped with a Fujitsu-Ten brand head unit, the customer may complain of one or more of the following: When playing media via Bluetooth audio and pressing the ?Pause? button on the phone, media playback pauses for one second before resuming playback. Yelp searches return an error when search criteria includes a special character, e.g. !,$,#. If the vehicle is equipped with a Pioneer brand head unit, the customer may complain of one or more of the following: The customer?s iPhone does not support the album image feature. When playing media via Bluetooth audio, one or more of a number of play/pause issues occur.
T-TT-0352-152018-04-02. Service bulletin. LANE DEPARTURE. TechTip: In some cases, combination meters may automatically initialize for options detected on a specific vehicle. If a meter is exchanged between vehicles for diagnostic purposes, it may become unusable in the original vehicle. For example, if a combination meter is removed from a vehicle not equipped with LDA (Lane Departure Alert) and temporarily installed in a vehicle equipped with LDA, it may display ?CHECK LDA SYSTEM? on the multi-information display and set DTC U023A when reinstalled in the original vehicle. This condition cannot be reset, and the combination meter must be replaced.
T-SB-0027-14 Rev2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: Hybrid vehicles are equipped with 2 types of batteries: ? Hybrid Vehicle (HV) battery ? 12-volt auxiliary battery If the hybrid vehicle is put into storage, the state of charge (SOC) of its HV battery and auxiliary battery will gradually decrease. To prevent the auxiliary battery from becoming discharged during storage, proper maintenance is necessary. Please perform the following maintenance service for the HV battery and 12-volt auxiliary battery
T-SB-0029-14 Rev2018-04-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. TSB: 2015 ? 2016 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-TT-0453-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL. TT: An error message is received when performing DCM activation initiated by Techstream. This is a known condition and will be remedied in the near future. Please discontinue DCM activations utilizing Techstream until further notice.
T-SB-0218-17_Rev2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS. TSB: REVISION NOTICE July 20, 2017 Rev1: Applicability has been updated to exclude 2007 ? 2017 model year Avanza vehicles. Some hazardous material treatment and handling regulations at the state and local level define the pre-disposal deployment of airbag and pre-tensioner assemblies as hazardous material treatment. Hazardous material treatment may require special training, certification or licensing in certain areas. TMS recommends that dealership personnel carefully review and follow ALL local and state regulations, and where necessary, contract with Environmental Protection Agency (EPA) Licensed Hazardous Waste Transportation and Disposal facilities.
SET-TSB-17-0062018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Publication discusses how to find the diagnostic information and component exchange information for the Southeast Toyota accessory overhead DVD player.
T-TT-0432-17_Rev2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. TT: Rev2 Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses efficiency due to debris on the filter and or some object obstructing the air inlet. Refer to the information below to address this issue.
T-SB-0033-14_Rev2018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: REVISION NOTICE March 08, 2017 Rev1: ? Applicability has been updated to include 2015 - 2017 model year Toyota vehicles. ? The Parts Information section has been updated. Some vehicles in particular geographic areas may exhibit a condition where the HVAC Evaporator Drain Hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is now available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper handling and installation of this optional service part.
T-SB-0044-16_Rev2018-04-02. Service bulletin. STRUCTURE:BODY. TSB: REVISION NOTICE March 07, 2017 Rev1: ? Applicability has been updated to include 2017 model year Toyota vehicles. On some vehicles, when Rapgard? is removed the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is NOT necessary). The stain patterns are usually under wrinkles in the Rapgard?. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be removed by heating the stained surface to remove the trapped moisture.
T-TT-0437-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience greyed out buttons or inactive screens (lockouts) while driving. This is to promote safe driving practices and reduce the amount of distractions while driving. These lockouts can?t be deactivated or defeated through any settings. The following is a list of common lockouts, however, this is not a complete list of lockouts.

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