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Service bulletins for the 2017 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.

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

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Bulletins, newest first
PG004-97-Obsolet2018-10-15. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:LABELS. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
T-TT-0503-18_Rev2018-10-15. Service bulletin. LANE DEPARTURE; VISIBILITY. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
GST-TSB-18-0022018-10-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This Technical Service Bulletin provides procedures to inspect and repair certain model year 2015-2017 Toyota Highlander vehicles equipped with the Brushed Stainless Steel Running Boards accessory which exhibits a sagging condition on the rear portion of the running boards. The non-Toyota running boards accessory was installed as a Gulf States Toyota installed option.
T-SB-0304-17_Rev2018-08-20. Service bulletin. EQUIPMENT. TSB: REVISION NOTICE July 31, 2018 Rev2: ? The Supersession Notice has been updated. January 11, 2018 Rev1: ? The Supersession Notice has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, and T-SB-0144-08. Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, and T-SB-0144-08 are obsolete and any printed versions should be discarded. Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) may be available from Toyota, provided the request meets one of the criteria listed in this Service Bulletin. Replacement Certification Label and VIN Plate Criteria A replacement certification label and/or VIN plate may be requested if: ? The vehicle was in an accident and the label and/or plate is damaged or attached to a part that will be replaced during the repair. ? The label and/or plate was stolen.
T-SB-0073-182018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. TSB: Some 2016 ? 2018 model year Tacoma, 2017 ? 2018 model year Sienna, Highlander, and 2018 model year Camry vehicles equipped with a 2GR-FKS engine may exhibit an engine oil leak from the cam sensor bolt hole(s). Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0072-182018-08-20. Service bulletin. SERVICE BRAKES, HYDRAULIC; SUSPENSION. TSB: Some 2014 ? 2018 model year Highlander vehicles may exhibit a vibration from the front brakes during light application of the brake pedal at highway speeds. Follow the Repair Procedure in this bulletin to address this condition.
T-SB-0057-182018-08-20. Service bulletin. EQUIPMENT. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0043-14. ? Applicability has been updated to include 2017 ? 2018 model year Toyota vehicles. Service Bulletin No. T-SB-0043-14 is obsolete and any printed versions should be discarded. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE New security provisions are required to obtain a reset passcode. It is critical to review the instructions for this new process BEFORE attempting to get a passcode in the new system.
T-SB-0056-182018-08-20. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2017 ? 2018 model year Highlander Hybrid vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P3190 (Poor Engine Power). This may occur when operating the vehicle in high altitude and high temperature conditions. The engine control module/ECM (SAE Term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Follow the Repair Procedure in this bulletin to address these conditions.
T-TT-0442-172018-07-02. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; ELECTRICAL 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 expired the DCM (Telematics Transceiver) 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-SB-0211-172018-07-02. Service bulletin. SUSPENSION:REAR. TSB: Some 2014 ? 2017 model year Highlander and Highlander HV vehicles may exhibit an abnormal squeak, squawk or groan type noise from the rear suspension when traveling over uneven roads, or when the vehicle comes to a complete stop, which may become more pronounced in colder ambient temperatures. The abnormal noise may be caused by the rear trailing arm bushing. An updated Rear Trailing Arm Assembly is available. APPLICABLE WARRANTY: This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle?s in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin.
T-TT-0441-172018-07-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Toyota repair process. During A/C service, moisture enters the A/C system, and can react with the previously added A/C stop leak, forming a gelatinous substance. The gel substance that forms can cause the A/C compressor to bind and or seize.
T-SB-0103-162018-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TSB: REVISION NOTICE: April 4, 2017 Rev2: Applicability has been updated to include 2017 model year Prius Prime vehicles. The Introduction has been updated to include new software changes. Some 2016 ? 2017 model year applicable vehicles equipped with Entune? Audio (version 01013E) / Entune? Audio Plus (version 010156 or 01015C) / Entune? Premium Audio (version 010171 or 010170 or 01017D) may exhibit one or more of the following conditions: ? Head unit rebooting at a specific location. ? Abnormal destination search operation. ? Rebooting caused by no songs on the USB connected iPhone. ? One time reboot after ACC-ON. ? Audio stays muted after the key is cycled.
T-SB-0045-162018-07-02. Service bulletin. EQUIPMENT. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. 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.
T-TT-0442-17_Rev2018-06-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The trail period of service is provided upon the vehicle purchase. Once the subscription has expired the DCM (Telematics Transceiver) 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. If registration of the replacement DCM part is attempted using the Techstream utility after the account has become inactive, the registration will fail, and messages such as "ATX webserver is Down" or "ATX error" will be displayed.
T-SB-0045-162018-06-11. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. 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.
T-SB-0043-162018-06-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. 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-0042-162018-06-11. Service bulletin. WHEELS; TIRES. TSB: Tire Positioning Before New Vehicle Delivery During the manufacturing process, tires are nounted 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 direction of rotation.
T-SB-0039-162018-06-11. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and 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. As a matter of policy, Toyota does not provide battery warranty coverage for discharged and/or failed batteries due to lack of maintenance. It is the dealer?s responsibility to maintain the specified State of Charge (SOC) of the vehicle?s battery while in stock and assure proper State of Charge (SOC) at delivery. To eliminate customer service concerns due to an undercharged battery during the first few weeks of ownership, ALL dealers should check battery State of Charge (SOC) and recharge, if necessary, within 48 hours of delivery to customers.
T-SB-0038-162018-06-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. TSB: 2017 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-0037-162018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TSB: Some 2017 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 using the following procedure during Pre-Delivery Service (PDS). Note: Check ALL of the Smart Keys using this procedure.
T-TT-0395-162018-06-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. TT: HV Batteries have liquid filled cell modules, to prevent leakage from cells, it is very important to confirm the proper orientation mark of the DRC.
TTT-0268-13 Rev32018-04-23. Service bulletin. ELECTRICAL SYSTEM. TT: Some customers may encounter Bluetooth connectivity concerns such as: ? Difficulty pairing the phone. ? Intermittent Bluetooth failure to connect when first turning on the vehicle. ? Various Bluetooth Audio functions are no longer functioning with the customer?s phone, such as the ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or if they have restored their phone data/settings recently.
TSB-0039-16 Rev12018-04-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and 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.
T-TT-0399-162018-04-23. Service bulletin. ELECTRICAL SYSTEM. TT: Multimedia systems reset procedure should be performed when the multimedia system no longer responds or reboots itself.
T-TT-0377-15_Rev2018-04-23. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. TT: Some customers may experience poor outgoing Bluetooth sound quality, this can occur for various reasons. Current multimedia systems are designed with the ability to adjust Bluetooth sound quality to compensate for Echo or excessive background noise.

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