Service bulletins for the 2012 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.
372 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| T-SB-0118-15 | 2017-03-02. Service bulletin. SEATS:MID/REAR ASSEMBLY. TSB: SOME 2011 – 2015 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE DRIVER SIDE 2ND ROW SEAT WITH THE TIP-UP STYLE LOWER SEAT CUSHION HAS EXCESSIVE UP AND DOWN MOVEMENT. WHILE SOME SEAT MOVEMENT IS A NORMAL CHARACTERISTIC OF THE DESIGN, THIS BULLETIN WILL HELP IDENTIFY EXCESSIVE MOVEMENT AND PROVIDE STEPS TO ADDRESS THIS CONDITION. |
|---|---|
| T-SB-0045-14 REV | 2016-11-16. Service bulletin. SERVICE BRAKES. "TSB: REVISION NOTICE - AUGUST 2, 2016 REV1 - APPLICABILITY HAS BEEN UPDATED TO INCLUDE 2015 - 2016 MODEL YEAR SIENNA VEHICLES. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2011 – 2016 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. NEW FRONT BRAKE PADS AND A NEW FIELD FIX REPAIR PROCEDURE HAVE BEEN DEVELOPED TO IMPROVE THIS CONDITION. " |
| T-TT-0251-13 | 2016-07-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some customers may experience A/C is inoperative with the OTC 81479 present. This can be caused by debris stuck in the flow control valve |
| T-TT-0199-12 | 2016-07-07. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some users may experience no sound from the Pandora or iHeartRadio Entune Applications after attaching the iPhone USB cable to the multimedia system. This can also occur if the user chooses the iPod selection on the multimedia system and then attempts to return to Pandora or iHeartRadio Entune Applications. This condition occurs with iPhones running iOS 6.0 and later |
| T-TT-0268-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0262-13 | 2016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0260-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0257-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0256-13A | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0251-13 | 2016-04-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0250-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0250-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0246-13 | 2016-04-12. Service bulletin. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0239-13 | 2016-04-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0234-13 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0223-13 | 2016-04-12. Service bulletin. STEERING. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0205-12 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0204-12 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0203-12 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0199-12 | 2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0124-11 | 2016-04-12. Service bulletin. TIRES. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0051-10 | 2016-04-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0005-10 | 2016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0005-10 | 2016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| T-TT-0005-10 | 2016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.