Service bulletins for the 2015 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.
335 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| TTT043217 | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: 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. |
|---|---|
| TSB018217 | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components. |
| T-SB-0276-17 | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM; ENGINE. TSB: Some 2014 ? 2016 model year Highlander HV, 2015 Tacoma, 2015 ? 2016 Venza, 2015 ? 2017 4Runner, Avalon, Camry, and 2016 ? 2017 Avalon HV and Camry HV vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P2610 (ECM/PCM Engine Off Timer Performance) present. The Engine Control Module (ECM) SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure below to address this condition. |
| T-SB-0134-16 | 2018-12-03. Service bulletin. ELECTRICAL SYSTEM. TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information. |
| T-TT-0414-16-Rev | 2018-12-03. 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. |
| T-SB-0134-16 | 2018-11-26. Service bulletin. ENGINE. TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information. |
| T-TT-0462-17 | 2018-11-05. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. T-TT: Vehicles may experience various drivability concerns. Upon diagnosis, technicians commonly find no or low fuel pressure as well as a variety of DTCs (Commonly P1603, P1604, P1605, P0171, P0300, P0302, P0304, U0100). Technicians find that the cause this condition is corrosion and water in the A43 ECM connector (Fig 1). In several cases, it was found that the source of water was from aftermarket windshields with poorly sealed or damaged deicer harnesses (Fig 2). Water enters the deicer harness and is wicked through the engine room main harness, eventually collecting in the ECM connector. |
| T-SB-0313-17 | 2018-11-05. Service bulletin. SERVICE BRAKES. TSB: Some 2015 ? 2018 model year Toyota vehicles may exhibit brake vibration due to improper lug nut torque. Brake vibration can occur at any time if improper torque is applied to lug nuts. Even one lug nut over or under torqued can cause vibration. |
| Safety Recall an | 2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. Update on Technician Certification Requirements. |
| T-SB-0127-18 | 2018-10-15. 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-Obsolet | 2018-10-15. 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-Obsolet | 2018-10-15. 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-18-002 | 2018-10-09. 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_Rev | 2018-08-20. 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-0072-18 | 2018-08-20. 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-0057-18 | 2018-08-20. 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-0442-17 | 2018-07-02. 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-0211-17 | 2018-07-02. 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-SB-0207-17 | 2018-07-02. 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-0048-16 | 2018-07-02. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2015 model year Highlander and Highlander HV vehicles equipped with Dual Front Air Conditioning Systems may exhibit an intermittent buzzing noise condition coming from the center of the instrument panel during HVAC operation. The noise occurs during the operation of the LH and RH air mix servo motors. The Repair Procedure in this bulletin has been developed to address this condition. |
| T-SB-0044-16 | 2018-07-02. 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_Rev | 2018-06-18. 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-0496-18 | 2018-06-18. 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-SB-0048-16 | 2018-06-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some 2015 model year Highlander and Highlander HV vehicles equipped with Dual Front Air Conditioning Systems may exhibit an intermittent buzzing noise condition coming from the center of the instrument panel during HVAC operation. The noise occurs during the operation of the LH and RH air mix servo motors. The Repair Procedure in this bulletin has been developed to address this condition. |
| T-SB-0044-16 | 2018-06-11. Service bulletin. STRUCTURE:BODY. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.