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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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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
T-TT-0375-152018-12-17. Service bulletin. EQUIPMENT. TT: For customer concerns of no or poor outgoing sound from the Bluetooth systems there are diagnostics in the repair manual which can be performed to diagnose the condition.
T-TT-0377-152018-12-17. Service bulletin. EQUIPMENT. 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.
T-SB-0119-152018-12-17. Service bulletin. EQUIPMENT. TSB: This bulletin includes basic procedures for performing a Rescue Charge on Ni-MH High Voltage (HV) Batteries. This bulletin should be used in conjunction with the Repair Manual while performing Rescue Charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) Charger.
T-SB-0025-18_Rev2018-12-17. Service bulletin. EQUIPMENT. TSB: REVISION NOTICE November 08, 2018 Rev1: ? The Applicability section has been updated. Any previous printed versions of this bulletin should be discarded. Some customers may complain of the inability to use certain functions of the navigation/infotainment system while the vehicle is in motion. The following update modifies the system functionality while the vehicle is in motion, improving customer experience. New software is available to address the following: ? Phone keypad unlocked while vehicle is in motion ? Contact list unlocked while vehicle is in motion ? Bluetooth connected phone switching while vehicle is in motion ? Navigation transition improvements (if equipped) ? Revised BT-Audio help pop-up ? Call history list call function improvements
T-SB-0279-17-Rev2018-12-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. TSB: REVISION NOTICE March 16, 2018 Rev1: ? Applicability has been updated to include 2018 model year vehicles. ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0103-16 and T-SB-0337-17. ? The entire bulletin has been updated. Service Bulletin No. T-SB-0103-16 and T-SB-0337-17 are obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. Some 2016 ? 2018 model year vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (version 010171, 010170, or 01017D) may exhibit one or more of the following conditions: ? Head unit reboots at a specific location ? Abnormal Destination Search app operation ? Rebooting caused by no songs on the USB-connected iPhone ? A one-time reboot after ignition is cycled to ACC-ON ? Audio stays muted after the key is cycled
T-TT-0484-18 Rev2018-12-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un-paired and re-paired.
T-TT-0414-16-Rev2018-12-03. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as 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.
Safety Recall an2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Update on Technician Certification Requirements.
T-SB-0127-182018-10-15. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. TSB: Some 2014 ? 2018 model year Highlander and Highlander HV vehicles may exhibit a condition where the power back door (PBD) makes a squeak noise while the door is opening or closing. Follow the Repair Procedure in this bulletin to address this condition.
PG006-01-Obsolet2018-10-15. Service bulletin. EQUIPMENT:OTHER:LABELS; EQUIPMENT. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
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.
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-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-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-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-0207-172018-07-02. Service bulletin. EQUIPMENT; SEATS. TSB: Some North American produced RAV4, Highlander, Highlander HV, and Sienna vehicles equipped with manual front seats may exhibit an inoperative forward/rearward adjustment function. Upon closer inspection it may be noticed that the Seat Track Adjusting Handle has become disengaged from the locking levers. 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-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-0044-162018-07-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. TSB: 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-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-TT-0496-182018-06-18. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. TT: Vehicles may experience a MIL ON condition exhibiting codes P314A and/or P0C73 with evidence of water (corrosion) at the A9 inverter water pump connector. This condition may be caused by vehicles being equipped with an aftermarket windshield assembly with a poorly sealed or damaged deicer harness. Water can enter in through deicer harness, wick down to the common shared ground junction A72 and then wick from the A72 ground connector to inverter water pump connecter.
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.
T-SB-0034-162018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT ADAPTIVE/MOBILITY. TSB: Some 2016 model year Highlander vehicles equipped with Pioneer head units (faceplate ID P11264) may experience inoperative controls or phantom touch input when below 55?F. Updated head units are now available to address this condition, please follow the procedure in this bulletin to correct this condition.
T-SB-0029-14 Rev2018-04-23. 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-0392-162018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later.

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