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Service bulletins for the 2015 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.

347 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
ZH4_Toyota POL172018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Warranty Policy Bulletin: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock.
ZH4_Dealer Lette2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer Letter: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Dealer Email2018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Dealer Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Region Lette2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR. Region Letter: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Region Email2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR. Region Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
T-SB-0244-172018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit power or manual sliding door front and rear latches simultaneously NOT latching due to corrosion on the latch lever pin of the front lock assembly. Additionally, some 2011 ? 2015 model year Sienna vehicles may exhibit power sliding door abnormal closing operation due to internal corrosion in the latch switch of the rear lock assembly.
SET-TSB-17-0062018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Publication discusses how to find the diagnostic information and component exchange information for the Southeast Toyota accessory overhead DVD player.
T-SB-0033-14_Rev2018-04-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: REVISION NOTICE March 08, 2017 Rev1: ? Applicability has been updated to include 2015 - 2017 model year Toyota vehicles. ? The Parts Information section has been updated. Some 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 now 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.
T-SB-0044-16_Rev2018-04-02. Service bulletin. STRUCTURE:BODY. TSB: REVISION NOTICE March 07, 2017 Rev1: ? Applicability has been updated to include 2017 model year Toyota vehicles. 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-SB-0035-16_Rev2018-04-02. Service bulletin. EQUIPMENT. TSB: REVISION NOTICE March 23, 2017 Rev1: ? Applicability has been updated to include 2016 - 2017 model year Mirai vehicles. G1855ware Version Information charts and the Introduction have been updated. SUPERSESSION NOTICE: The information contained in this bulletin supersedes SB No. T-SB-0160-14. ? The Required Tools & Equipment section has been updated. Service Bulletin No. T-SB-0160-14 is Obsolete and any printed versions should be discarded.
T-SB-0029-142018-04-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 2015 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-SB-0028-142018-04-02. Service bulletin. EQUIPMENT. Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.
T-SB-0026-142018-04-02. Service bulletin. WHEELS. During the manufacturing process tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
T-SB-0024-142018-04-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION. Some 2015 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 during Pre-Delivery Service (PDS). The following inspection procedure has been developed to confirm the proper operation of the Smart Key system prior to vehicle delivery.
T-SB-0023-142018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. The radio antenna pole on some models is designed with a hex-cut base and requires installation using an 8 mm wrench. When performing PDS or installing the antenna pole for any other reason, inspect the antenna base for a hex-cut to determine if the following procedure is required.
T-TT-0437-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience greyed out buttons or inactive screens (lockouts) while driving. This is to promote safe driving practices and reduce the amount of distractions while driving. These lockouts can?t be deactivated or defeated through any settings. The following is a list of common lockouts, however, this is not a complete list of lockouts.
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-0187-12_Rev2018-04-02. Service bulletin. TIRES. TSB: REVISION NOTICE February 12, 2018 Rev2: ? Applicability has been updated to include 2015 ? 2018 model year vehicles. January 23, 2014 Rev1: ? Applicability has been updated to include 2013 ? 2014 model year vehicles. Any previous printed versions of this bulletin should be discarded. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles at speeds less than 55 mph with little or no damage to the tire. The U.S. Tire Manufacturers Association (UTSMA) provides guidelines and recommendations for tire repair and replacement. It also provides information related to: ? Basic tire information ? Tire maintenance and safety ? Driver education, tire safety curriculum.
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.
T-SB-0187-12_Rev2018-03-12. Service bulletin. TIRES. TSB: REVISION NOTICE February 12, 2018 Rev2: ? Applicability has been updated to include 2015 ? 2018 model year vehicles. January 23, 2014 Rev1: ? Applicability has been updated to include 2013 ? 2014 model year vehicles. Any previous printed versions of this bulletin should be discarded. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur. With run-flat tires, due to reinforced sidewalls, it is possible to drive for up to 100 miles at speeds less than 55 mph with little or no damage to the tire. The U.S. Tire Manufacturers Association (UTSMA) provides guidelines and recommendations for tire repair and replacement. It also provides information related to: ? Basic tire information ? Tire maintenance and safety ? Driver education, tire safety curriculum.
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.
TS-WI-02562018-03-05. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin sent to all dealers to update the firmware in the affected vehicles VMI computer. This allows for more amperage to draw the Powerkneel up allowing the up-limit switch to be tripped consistently. If the up limit switch is not engaged, a vehicle may not come out of park or the conversion may not operate properly next time it is deployed
TS-WI-02562018-02-12. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin sent to all dealers to update the firmware in the affected vehicles VMI computer. This allows for more amperage to draw the Powerkneel up allowing the up-limit switch to be tripped consistently. If the up limit switch is not engaged, a vehicle may not come out of park or the conversion may not operate properly next time it is deployed
T-TT-0425-16_Rev2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TT: Rev1_Some 2015-2017MY Sienna owners may have a concern with the inability of customizing their outer mirrors when shifting the vehicle to Reverse (?R? position). The owner?s manual describes the ability to customize the outer mirror positions when the vehicle is in reverse.

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