Service bulletins for the 2018 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.
268 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Equipment and accessories are shown. Show all
| T-TT-0553-19 | 2019-09-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ? Circuit demand is too high for GFCI rating ? Worn out GFCI internal contacts ? Improper installation or wiring of GFCI breaker |
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| ZJC-Toyota POL19 | 2019-09-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN. Customer Support Program Bulletin: Toyota has received reports indicating potential symptoms, such as a whine noise from the transmission while driving, harsh shifting, reduced power, and master warning light/check engine light illumination, in the subject vehicles that are equipped with a model UA80 transmission. There is a possibility that a washer tab, designed to prevent the loosening of a nut inside the affected transmissions, was not sufficiently bent during assembly. This could lead to the nut loosening and, over time, lead to the symptoms described above. |
| T-SB-0080-19 | 2019-09-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0033-14. ? Applicability has been updated to include 2019 model year Toyota vehicles. Service Bulletin No. T-SB-0033-14 is obsolete and any printed versions should be discarded. Some 2006 ? 2019 model year Toyota 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 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. NOTE The ARINIX® Tip is NOT registered or labeled for sale or use outside the United States or Puerto Rico. |
| T-TT-0442-17_Rev | 2019-05-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL. TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after the initial trial period. 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. |
| ZJC_Toyota POL19 | 2019-05-13. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. Customer Support Program Bulletin: Toyota has received reports indicating potential symptoms, such as a whine noise from the transmission while driving, harsh shifting, reduced power, and master warning light/check engine light illumination, in the subject vehicles that are equipped with a model UA80 transmission. There is a possibility that a washer tab, designed to prevent the loosening of a nut inside the affected transmissions, was not sufficiently bent during assembly. This could lead to the nut loosening and, over time, lead to the symptoms described above |
| ZJC_Dealer Packa | 2019-05-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Dealer Packet: Toyota has received reports about potential symptoms, such as a whine noise from the transmission while driving, harsh shifting, reduced power, and master warning light/check engine light illumination, in the subject vehicles that are equipped with a model UA80 transmission. There is a possibility that a washer tab, designed to prevent the loosening of a nut inside the affected transmissions, was not sufficiently bent during assembly. This could lead to the nut loosening and, over time, lead to the symptoms described above. Although the UA80 transmission equipped in the subject vehicles is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Thus, Toyota is providing coverage for repairs related to damage to the UA80 transmission caused by the previously mentioned loose washer tab and resulting in the symptoms described above. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement. |
| ZJC_Dealer Email | 2019-05-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. Dealer Email: Toyota has received reports about potential symptoms, such as a whine noise from the transmission while driving, harsh shifting, reduced power, and master warning light/check engine light illumination, in the subject vehicles that are equipped with a model UA80 transmission. There is a possibility that a washer tab, designed to prevent the loosening of a nut inside the affected transmissions, was not sufficiently bent during assembly. This could lead to the nut loosening and, over time, lead to the symptoms described above. Although the UA80 transmission equipped in the subject vehicles is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Thus, Toyota is providing coverage for repairs related to damage to the UA80 transmission caused by the previously mentioned loose washer tab and resulting in the symptoms described above. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement. |
| ZJC_Region Email | 2019-05-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Region Email: Toyota has received reports about potential symptoms, such as a whine noise from the transmission while driving, harsh shifting, reduced power, and master warning light/check engine light illumination, in the subject vehicles that are equipped with a model UA80 transmission. There is a possibility that a washer tab, designed to prevent the loosening of a nut inside the affected transmissions, was not sufficiently bent during assembly. This could lead to the nut loosening and, over time, lead to the symptoms described above. Although the UA80 transmission equipped in the subject vehicles is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Thus, Toyota is providing coverage for repairs related to damage to the UA80 transmission caused by the previously mentioned loose washer tab and resulting in the symptoms described above. The following information is provided to inform you and your staff of the program notification schedule and your degree of involvement. |
| T-TT-0537-19 | 2019-05-13. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; LANE DEPARTURE. TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within the specified angle before performing axis beam adjustment. When used in conjunction with the repair manual, these BSM tips leverage SSTs and readily available tools to support sensor angle confirmation in varying shop environments. |
| T-TT-0414-16-Rev | 2019-03-25. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; ELECTRICAL SYSTEM. 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. |
| T-TT-0468-17-Rev | 2019-03-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: HVAC drain tube is found to be blocked/clogged. |
| T-SB-0044-16_Rev | 2019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: REVISION NOTICE February 7, 2019 Rev2: * Applicability has been updated to include 2010 - 2014 model year Matrix, 2017 - 2019 model year C-HR, 2019 model year Corolla Hatchback, and 2018 - 2019 model year Toyota vehicles. G418 The Introduction and Repair Procedure sections have been updated. March 7, 2017 Rev1: * Applicability has been updated to include 2017 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0040-08. * Applicability has been updated to include applicable 2016 model year vehicles. Service Bulletin No. T-SB-0040-08 is obsolete and any printed versions should be discarded. Some 2010 - 2019 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Follow the Repair Procedure in this bulletin to address this condition. |
| T-TT-0516-18_Rev | 2019-03-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (Telematics transceiver) inoperative conditions, refer to the procedure below to prevent unnecessary parts replacement. |
| T-TT-0520-19 | 2019-02-19. Service bulletin. EQUIPMENT. TT: In certain cases of leaking air conditioning systems, the root cause of the leak is inadvertently overlooked, causing a repeat repair. To improve customer satisfaction and repair A/C system leaks in one dealer visit, Toyota has developed a set of guidelines for evaluating A/C system components. |
| Toyota Safety Re | 2019-02-19. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| T-TT-0515-18 | 2019-02-19. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; FORWARD COLLISION AVOIDANCE. TT: When adjusting the Forward Recognition Camera on vehicles with Toyota Safety Sense, it can be difficult to print the repair manual target to the proper size. |
| Lexus Safety Rec | 2019-01-07. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| Toyota Safety Re | 2019-01-07. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| J0E-Owner-Notifi | 2019-01-07. Service bulletin. EQUIPMENT:OTHER:LABELS. Dealer Letter: UPDATED Dealer Letter Available on TIS. Vehicle Window Sticker (Monroney Label) ? The Dealer Letter for Owner Notification J0E has been UPDATED. Refer to the UPDATED Dealer Letter on TIS for additional information. |
| J0E-Dealer Packa | 2019-01-07. Service bulletin. EQUIPMENT:OTHER:LABELS. Dealer Package: Due to an administrative error in the previous J0E campaign documentation, the flat rate time was incorrectly stated. OpCode GBP004 has been corrected effective October 24, 2018. Reference the Warranty Reimbursement Procedure section for the corrected flat rate time. Dealers will be issued a credit for any claims that were paid with the incorrect flat rate time. The credit amount for each claim will be equal to the flat rate time difference between the incorrect flat rate time and corrected flat rate time. Dealers can expect to receive these credits on an upcoming parts statement. Due to a clerical error, the subject vehicles include incorrect values in the Fuel Economy and Environment section of the Window Sticker (Monroney label). Refer to the attached FAQ for a visual representation of the incorrect and correct values. |
| Toyota Safety Re | 2019-01-07. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| Toyota Safety Re | 2019-01-07. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| Toyota Safety Re | 2018-12-17. Service bulletin. EQUIPMENT. Safety Recall and Service Campaign - Technician Certification Requirements |
| T-SB-0025-18_Rev | 2018-12-17. 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-0337-17-Obs | 2018-12-17. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE March 21, 2018: This bulletin is now obsolete. Please see T-SB-0279-17. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.