WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Bulletins, newest first
T-PG002-912021-06-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Product general information.
TSR-SC-0328192021-06-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technician Certification Requirements.
G0G-DL-614162021-06-14. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:WIRING. Oxygen sensor could experience wire degradation inside the oxygen sensor wiring harness.
Toyota Safety Re2021-04-19. Service bulletin. AIR BAGS. Toyota Safety Recall and Service Campaign - Technician Certification Requirements
T-TT-0636-20 Rev2021-04-19. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-SB-0044-16 Obs2021-04-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OBSOLETE NOTICE March 08, 2021: This bulletin is now obsolete. Please see T-SB-0012-21.
T-SB-0040-08 Obs2021-04-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OBSOLETE NOTICE March 08, 2021: This bulletin is now obsolete. Please see T-SB-0044-16.
T-SB-0012-212021-04-19. Service bulletin. SEATS. TSB: Some 2010 ? 2021 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-SB-0032-20 Rev2021-03-15. Service bulletin. EQUIPMENT. TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2021 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.
T-SB-0004-212021-02-16. Service bulletin. VEHICLE SPEED CONTROL; PARKING BRAKE. TSB: Some 2010 ? 2020 model year Sienna vehicles may exhibit a condition where the front door glass run on either the right-hand or left-hand side comes loose from the door channel during window operation. Follow the Repair Procedure in this bulletin to address this condition.
T-TT-0636-202021-02-16. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-202021-02-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-SB-0033-18 Rev2020-12-21. Service bulletin. SERVICE BRAKES. TSB: Some 2011 ? 2020 model year Sienna vehicles may exhibit a vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.
T-TT-0628-202020-11-30. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TT: HVAC drain tube is found to be blocked/clogged.
T-TT-0578-19 Rev2020-11-23. Service bulletin. STEERING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; 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.
17-0062020-11-09. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; SEATS. Rear Seat Entertainment Overhead DVD
T-SB-0035-16 Rev2020-09-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. TSB: Some 2014 model year Toyota vehicles equipped with Entune? Audio (version 010169), Entune? Audio Plus (version 010171), or Entune? Premium Audio (version 010185) may exhibit one or more of the following conditions: ?Bluetooth® sometimes disconnects with Android? phones. ?Bluetooth® disconnects with iPhone® 4 when connected to USB. ?Radio reboots with heavy radio load condition (e.g., dual map and POIs ON and Entune? Audio music ON and multiple destinations set) (Entune? Premium Audio only). ?Radio reboots after completing a navigation route by voice command system and pressing Talk Switch (Entune? Premium Audio only). Some 2014 model year Toyota vehicles equipped with Entune? Audio (version 010173), Entune? Audio Plus (version 01017C), or Entune? Premium Audio (version 010195) may exhibit one or more of the following conditions: ?Voice command screen is cancelled by a pop-up screen. ?Voice command system does not respond for an extended period of time. ?Radio reboots and navigation route is deleted (Entune? Premium Audio only). ?Bluetooth® disconnects when phone is connected to Bluetooth® Audio from USB connection. ?Radio reboots after entering a particular address as destination (Entune? Premium Audio only). ?Route guidance is lost after ACC is cycled and after arriving at a second destination (Entune? Premium Audio only).
T-SB-0035-16 Rev2020-09-14. Service bulletin. ELECTRICAL SYSTEM. TSB: Some 2014 model year Toyota vehicles equipped with Entune? Audio (version 010169), Entune? Audio Plus (version 010171), or Entune? Premium Audio (version 010185) may exhibit one or more of the following conditions: ?Bluetooth® sometimes disconnects with Android? phones. ?Bluetooth® disconnects with iPhone® 4 when connected to USB. ?Radio reboots with heavy radio load condition (e.g., dual map and POIs ON and Entune? Audio music ON and multiple destinations set) (Entune? Premium Audio only). ?Radio reboots after completing a navigation route by voice command system and pressing Talk Switch (Entune? Premium Audio only). Some 2014 model year Toyota vehicles equipped with Entune? Audio (version 010173), Entune? Audio Plus (version 01017C), or Entune? Premium Audio (version 010195) may exhibit one or more of the following conditions: ?Voice command screen is cancelled by a pop-up screen. ?Voice command system does not respond for an extended period of time. ?Radio reboots and navigation route is deleted (Entune? Premium Audio only). ?Bluetooth® disconnects when phone is connected to Bluetooth® Audio from USB connection. ?Radio reboots after entering a particular address as destination (Entune? Premium Audio only). ?Route guidance is lost after ACC is cycled and after arriving at a second destination (Entune? Premium Audio only).
T-TT-0468-17 Rev2020-08-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. TT: HVAC drain tube is found to be blocked/clogged.
T-SB-0304-17 Obs2020-05-11. Service bulletin. EQUIPMENT. TSB: OBSOLETE NOTICE April 07, 2020: This bulletin is now obsolete. Please see T-SB-0032-20. Replacement Certification Labels and VIN Plates
T-SB-0032-202020-05-11. 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, PG006-01, PG004-97, T-SB-0144-08, and T-SB-0304-17. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2020 model year vehicles may be available provided the requests meet the criteria listed in this Service Bulletin. Follow the Procurement Procedure in this bulletin to request a replacement certification label or VIN plate.
T-TT-0603-202020-04-20. Service bulletin. BACK OVER PREVENTION; EQUIPMENT. TT: For proper calibration of the millimeter wave radar sensor, the vehicle must be on a level surface. If a level surface is not available, this tech tip should be used in conjunction with the repair manual to set the angle of the front millimeter wave radar sensor and reflector height before performing beam axis adjustment.
T-SB-0142-13_Obs2020-03-30. Service bulletin. EQUIPMENT. OBSOLETE NOTICE February 12, 2020: This bulletin is now obsolete. Please see T-SB-0010-20.
T-SB-0010-202020-03-30. Service bulletin. EQUIPMENT. TSB: Some 2004 ? 2017 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced
T-TT-0520-19_Rev2020-02-18. 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.

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