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Service bulletins for the 2018 Toyota Sienna

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.

300 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-SB-0188-172018-04-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. TSB: 2018 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-0435-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
T-SB-0185-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. TSB: Some 2018 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).
T-SB-0009-182018-04-02. Service bulletin. EQUIPMENT. TSB: The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and synthetic leather care in Toyota vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle Owner?s Manual will highlight the importance of proper maintenance and provide guidance for care.
T-SB-0304-17_Rev2018-04-02. Service bulletin. EQUIPMENT. TSB: 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, and T-SB-0144-08. Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, and T-SB-0144-08 are obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. REVISION NOTICE January 11, 2018 ? The Supersession Notice has been updated. Any previous printed versions of this bulletin 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.
Toyota Safety Re2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
H0X_Toyota Safet2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements.
Toyota Safety Re2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
Toyota Safety Re2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
T-TT-0472-17_Rev2018-03-12. Service bulletin. EQUIPMENT. TT: Some customers may experience an inoperative Entune Apps Suite and Scout moving maps when connecting an Apple device with iOS version 11.2.1 - 11.2.5 via USB tethering.
Toyota Safety Re2018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements.
Toyota Safety Re2018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements.
T-TT-0484-182018-03-12. Service bulletin. EQUIPMENT:ELECTRICAL. 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.
Toyota Safety Re2018-03-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements.
T-SB-0009-182018-03-12. Service bulletin. EQUIPMENT; SEATS. TSB: The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and synthetic leather care in Toyota vehicles. As an additional resource, if the vehicle is equipped with factory leather seats, the vehicle Owner?s Manual will highlight the importance of proper maintenance and provide guidance for care.
T-SB-0235-17_Rev2018-03-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. TSB: REVISION NOTICE February 16, 2018 Rev2: ? Applicability has been updated to include 2018 model year Mirai and Camry HV vehicles. ? The Introduction and Initialization/Update Procedure sections have been updated. ? Instructions for adding a Safety Connect static cling to applicable vehicles have been added. July 20, 2017 Rev1: ? Applicability has been updated to exclude 2018 model year Avalon vehicles. ? The Initialization/Update Procedure section has been updated. Any previous printed versions of this bulletin should be discarded. An initialization procedure is required to activate the Entune? App Suite Connect for Entune? 3.0 Audio, Entune? 3.0 Audio Plus, and Entune? 3.0 Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be performed under other circumstances, such as following a head unit replacement or after the customer?s personal settings are erased. The initialization procedure requires between 3 and 15 minutes to complete, depending on file size, cellular connection speed, and other factors. Following the initialization procedure, individual Entune? apps may periodically update through an over-the-air update system. Updates are optional or mandatory. The update procedure will take approximately 1 minute for each app requiring an update. Follow the procedure in this bulletin to perform the initialization and app updates. Additionally, a Safety Connect static cling is available to increase customer awareness. This bulletin also includes the vehicle identification process for Safety Connect-equipped vehicles and the static cling installation procedure.
T-SB-0015-182018-03-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. TSB: Some 2018 model year Camry, Camry HV, and Sienna vehicles may exhibit Bluetooth® connectivity conditions with the multimedia system. This Service Bulletin is a diagnostic supplement to help determine the cause of the Bluetooth® connectivity conditions.
T-TT-0420-16_Rev2018-03-12. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. This is a known condition and will be remedied in the near future.
Toyota Safety Re2018-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
Toyota Safety Re2018-02-21. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Safety Recall and Service Campaign - Technician Certification Requirements
T-SB-0134-16_Rev2017-11-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: REVISION NOTICE October 30, 2017 Rev1: * Applicability has been updated to include 2018 model year vehicles. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Flash reprogramming allows the Electronic Control Unit (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-SB-0235-172017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. TSB: An initialization procedure is required to activate the Entune App Suite Connect for Entune 3.0 Audio, Entune 3.0 Audio Plus and Entune 3.0 Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also need to be performed under other circumstances, such as following a head unit replacement or after the customer's personal settings are erased. The initialization procedure requires between 3 and 15 minutes to complete, depending on file size, cellular connection speed and other factors.
T-SB-0233-172017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. TSB: When a maintenance alert occurs, a message displays on the head unit with the "Call Dealer" button. It is important to program the dealer contact information into the head unit to ensure that the customer can schedule service.

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