Service bulletins for the 2016 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.
291 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| TS-WI-0290 | 2018-09-17. Service bulletin. SEATS. Service Bulletin sent to all dealers to inspect L-track bolts for correct torque and to incorporate torque check as part of regular maintenance |
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| 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-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 Service Bulletin No. T-SB-0043-14 is obsolete and any printed versions should be discarded.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. |
| ZH4_Toyota POL17 | 2018-07-16. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. 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 assembly. |
| T-SB-0045-14_Obs | 2018-07-16. Service bulletin. SERVICE BRAKES. TSB: OBSOLETE NOTICE May 10, 2018: This bulletin is now obsolete. Please see T-SB-0033-18. |
| 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-TT-0441-17 | 2018-07-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Toyota repair process. During A/C service, moisture enters the A/C system, and can react with the previously added A/C stop leak, forming a gelatinous substance. The gel substance that forms can cause the A/C compressor to bind and or seize. |
| T-SB-0208-17 | 2018-07-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit Sliding Door Front and Rear Latches simultaneously NOT latching due to the PSD 25 Amp fuse becoming open. APPLICABLE WARRANTY: This repair is covered under the Toyota Basic Warranty. This warranty is in effect for unlimited mileage and unlimited months of service. 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-0103-16 | 2018-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TSB: REVISION NOTICE: April 4, 2017 Rev2: Applicability has been updated to include 2017 model year Prius Prime vehicles. The Introduction has been updated to include new software changes. Some 2016 ? 2017 model year applicable vehicles equipped with Entune? Audio (version 01013E) / Entune? Audio Plus (version 010156 or 01015C) / Entune? Premium Audio (version 010171 or 010170 or 01017D) may exhibit one or more of the following conditions: ? Head unit rebooting at a specific location. ? Abnormal destination search operation. ? Rebooting caused by no songs on the USB connected iPhone. ? One time reboot after ACC-ON. ? Audio stays muted after the key is cycled. |
| T-SB-0049-16 | 2018-07-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TSB: Some 2015 ? 2016 model year Avalon, Camry, Sienna, and Tundra vehicles equipped with Blind Spot Monitor may exhibit a Blind Spot Monitor Warning message with Diagnostic Trouble Code (DTC) C1AB2 Short to Ground in Outer Mirror Indicator (Master) or C1AB3 Short to Ground in Outer Mirror Indicator (Slave) stored. Follow the Repair Procedure in this bulletin 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-0497-18 | 2018-06-18. Service bulletin. SEATS. TT: Some vehicles may experience a condition in which the 2nd row seat, with center seat, exhibits a chirp/squeak noise from the rear seat latches (floor area). This condition is present while driving over rough or bumpy roads. Upon further inspection, after removal of the LH 2nd row seat, the rear inboard and outboard strikers may show signs of the coating peeling off as shown in Fig.2 and Fig.3. |
| 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-SB-0033-18 | 2018-06-18. Service bulletin. SERVICE BRAKES. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. T-SB-0045-14. * Applicability has been updated to include 2018 model year Sienna vehicles. * The entire bulletin has been updated. Service Bulletin No. T-SB-0045-14 is obsolete and any printed versions should be discarded. Some 2011 - 2018 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-SB-0049-16 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; LANE DEPARTURE: BLIND SPOT DETECTION. TSB: Some 2015 ? 2016 model year Avalon, Camry, Sienna, and Tundra vehicles equipped with Blind Spot Monitor may exhibit a Blind Spot Monitor Warning message with Diagnostic Trouble Code (DTC) C1AB2 Short to Ground in Outer Mirror Indicator (Master) or C1AB3 Short to Ground in Outer Mirror Indicator (Slave) stored. Follow the Repair Procedure in this bulletin 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. |
| T-TT-0392-16 Rev | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later. |
| T-SB-0026-16 | 2018-06-11. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM. TSB: Some 2014 - 2016 Sienna vehicles may exhibit an intermittent cruise control stalk illumination flicker condition. Please follow the Repair Procedure in this bulletin to address this condition. |
| T-TT-0339-15 | 2018-04-23. Service bulletin. ELECTRICAL SYSTEM. TT: Some vehicles may exhibit an error message when trying to perform a radio software update: ?Unable to update the software. Please try again later.? If the following screen is seen; follow the directions below. |
| T-TT-0293-14 Rev | 2018-04-23. Service bulletin. 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 lapsed the DCM 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-0029-14 Rev | 2018-04-23. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. TSB: 2015 ? 2016 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-0024-14 Rev | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. TSB: Some 2015 - 2016 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-TT-0392-16 | 2018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL. TT: Some customers may experience Bluetooth connection issues after updating the Android Operating System to 5.x.x (Lollipop) or later. |
| T-SB-0036-13 Rev | 2018-04-23. Service bulletin. POWER TRAIN. TSB: This bulletin includes basic procedures for inspecting and adjusting World Standard (WS) Automatic Transmission Fluid (ATF) level at normal vehicle operating temperature. Note: The following adjustment procedures are for U660E/F and U760E/F transmissions. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.