2018 Toyota Highlander Technical Service Bulletins

253 technical service bulletins (TSBs) are on record for the 2018 Toyota Highlander. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10159730Apr 18, 2019Equipment, Transmission and drivetrain, 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…
• 10159729Apr 18, 2019Engine, Equipment, Transmission and drivetrain. 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…
• 10159728Apr 18, 2019Transmission and drivetrain, Engine, Equipment. 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…
• 10159727Apr 18, 2019Equipment, Engine, Transmission and drivetrain. 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…
• 10159725Apr 17, 2019Lane departure, Visibility (wipers, defrost, mirrors), Equipment. 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.
• 10197472Mar 28, 2019Equipment. Technician Certification Requirements.
• 10155248Feb 28, 2019Electrical system. 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.
• 10155247Feb 28, 2019Electrical system, 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…
• 10155238Feb 25, 2019Equipment. TT: HVAC drain tube is found to be blocked/clogged.
• 10155237Feb 22, 2019Wheels. TT: Some Highlander and Sienna clad/chrome wheels might experience bubbling and/or peeling off on the wheel coating (see picture below). Table below shows the wheel part numbers affected by the issue.
• 10155232Feb 15, 2019Fuel system. TSB: Some 2017 ? 2019 model year Highlander vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Follow the Repair Procedure in this bulletin to address this condition.
• 10154800Feb 7, 2019Equipment. 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…
• 10154797Feb 6, 2019Equipment. 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.
• 10154793Feb 5, 2019Suspension. TSB: REVISION NOTICE February 5, 2019 Rev2: ? Applicability has been updated to include 2019 model year Highlander and Highlander HV vehicles. ? The Introduction, Warranty Information, and Repair Procedure sections have been updated. February 23, 2018 Rev1: ? Applicability has been updated to include 2018 model year Highlander and Highlander HV vehicles. ? The Introduction, Warranty Information, and Repair…
• 10153248Jan 23, 2019Electrical system. TT: Some 2017, 2018 and 2019 model year Highlanders are equipped with an engine Stop & Start system. It is important to use part number 28800-31550 when Stop & Start equipped Highlanders need battery replacement. There is no recommended Truestart battery that is applicable for Stop & Start Highlanders. The Stop & Start equipped battery is specially designed for deep discharges, and it is of a design called enhanced…
• 10153246Jan 16, 2019Engine cooling. TT: The current engine active test ?Control the Injection Mode? is not operating as desired when controlling the direct injectors manually on 2GR-FKS engines. When direct injection is started and then stopped using the active test, current ECU logic does not turn off the direct injectors and can cause DTCs P017200, P017500 and P0160300. To avoid this condition, technicians should raise engine RPM when changing back…
• 10153265Jan 4, 2019Equipment. 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.
• 10153241Dec 20, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10153235Dec 17, 2018Transmission and drivetrain. TSB: Some 2017 ? 2018 model year Highlander and Sienna vehicles may exhibit a whine noise while driving, a harsh shift, MIL ON, or reduced power. The following Diagnostic Trouble Codes (DTCs) may be present. ? P07457F ? P07757F ? P07957F ? P28077F ? P28167F ? P08BA7F ? P27137F ? P07407E ? P27567F ? P211904 ? P071531 For transaxles within the specified dates that meet the required symptoms, a remanufactured…
• 10153204Dec 10, 2018Forward collision avoidance, Equipment. 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.
• 10152197Nov 15, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10152184Nov 13, 2018Electrical system. TSB: REVISION NOTICE November 13, 2018 Rev2: ? The entire bulletin has been updated. 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 Nos. T-SB-0103-16 and T-SB-0337-17. ? The…
• 10152172Nov 8, 2018Equipment. 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…
• 10152618Oct 31, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10152617Oct 31, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10152604Oct 24, 2018Equipment. 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.
• 10152603Oct 24, 2018Equipment. 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.
• 10152596Oct 11, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10152589Oct 5, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10145768Sep 28, 2018Equipment, Body and structure. 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.
• 10150015Sep 12, 2018Equipment. 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…
• 10145749Aug 31, 2018Equipment. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
• 10145748Aug 31, 2018Equipment. Technical Service Bulletin: OBSOLETE NOTICE: July 31, 2018: This bulletin is now obsolete. Please see T-SB-0304-17.
• 10145745Aug 29, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10145739Aug 22, 2018Visibility (wipers, defrost, mirrors), Lane departure. 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.
• 10149996Aug 17, 2018Lane departure. 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.
• 10149197Aug 17, 2018Lane departure. 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.
• 10149985Aug 15, 2018Engine. TSB: REVISION NOTICE August 15, 2018 Rev1: ? The Applicability has been updated to include 2018 model year Highlander, Sienna, and Tacoma vehicles. ? The Introduction and Warranty Information sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2GR-FKS-equipped Camry (2018 model year), Highlander, Sienna (both 2017 ? 2018 model year), and Tacoma (2016 ? 2018 model…
• 10149186Aug 15, 2018Engine. TSB: REVISION NOTICE August 15, 2018 Rev1: ? The Applicability has been updated to include 2018 model year Highlander, Sienna, and Tacoma vehicles. ? The Introduction and Warranty Information sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2GR-FKS-equipped Camry (2018 model year), Highlander, Sienna (both 2017 ? 2018 model year), and Tacoma (2016 ? 2018 model…
• 10145726Aug 2, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10143953Jul 31, 2018Equipment. 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…
• 10143948Jul 26, 2018Engine 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.
• 10143947Jul 26, 2018Brakes, 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.
• 10143927Jul 6, 2018Equipment. 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…
• 10143923Jul 2, 2018Electrical 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…
• 10141609May 24, 2018Equipment. Safety Recall and Service Campaign - Technician Certification Requirements.
• 10141599May 22, 2018Electrical system. TSB: REVISION NOTICE May 22, 2018 Rev2: * The Before Delivery section has been updated. May 08, 2018 Rev1: * Applicability has been updated to include 2019 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. Hybrid vehicles are equipped with two types of batteries: * Hybrid Vehicle (HV) battery - Auxiliary (12V) battery If the hybrid vehicle is put into storage, the…
• 10141576May 10, 2018Equipment. 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.
• 10141569May 8, 2018Electrical system. TSB: REVISION NOTICE May 08, 2018 Rev1: * Applicability has been updated to include 2019 model year Toyota vehicles. Any previous printed versions of this bulletin should be discarded. Hybrid vehicles are equipped with two types of batteries: * Hybrid Vehicle (HV) battery - Auxiliary (12V) battery If the hybrid vehicle is put into storage, the State-Of-Charge (SOC) of its HV battery and auxiliary battery will…
• 10197439Apr 4, 2018Equipment. The vehicle's Monroney label with incorrect values will be replaced with a corrected label.

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