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Service bulletins for the 2005 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.

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

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Bulletins, newest first
ZF2_DEALER LETTE2017-03-31. Service bulletin. SEAT BELTS. "DEALER LETTER: BACKGROUND TOYOTA HAS RECEIVED A NUMBER OF REPORTS REGARDING FRONT SEATBELTS IN CERTAIN 2004 – 2006 MODEL YEAR SIENNA VEHICLES. IN THESE REPORTS, CUSTOMERS HAVE INDICATED THAT THE FRONT SEATBELTS (RIGHT AND/OR LEFT) MAY SLOWLY OR NON-SMOOTHLY RETRACT. ALTHOUGH THE FRONT SEATBELT ASSEMBLY IS COVERED BY TOYOTA’S NEW VEHICLE LIMITED WARRANTY FOR 5 YEARS OR 60,000 MILES (WHICHEVER COMES FIRST), WE AT TOYOTA CARE ABOUT THE CUSTOMERS’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REPAIRS RELATED TO SLOW OR NON-SMOOTH RETRACTION OF FRONT SEATBELTS. THE FOLLOWING INFORMATION IS PROVIDED TO INFORM YOU AND YOUR STAFF OF THE PROGRAM NOTIFICATION SCHEDULE AND YOUR DEGREE OF INVOLVEMENT."
WPB (POL 14-11)_2017-03-31. Service bulletin. STRUCTURE; EQUIPMENT. "WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. IN MID-DECEMBER, 2014 TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS WARRANTY ENHANCEMENT PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA WILL BE LAUNCHING THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING. ALTHOUGH TOYOTA IS INCREASING PRODUCTION LEVELS, IT IS DIFFICULT TO PREDICT CUSTOMER DEMAND AND WHERE PARTS NEED TO BE SHIPPED TO SUPPORT CUSTOMER DEMAND. IT IS IMPORTANT THAT DEALERSHIPS EXPLAIN TO CUSTOMERS THAT THERE STILL MAY BE A PERIOD OF TIME THE CUSTOMER WILL NEED TO WAIT BEFORE PART REPLACEMENT CAN BE PERFORMED. PLEASE BE SURE TO TAKE THIS INTO CONSIDERATION WHEN PERFORMING CUSTOMER SCHEDULING."
T-TT-0362-152017-03-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED.
T-TT-0360-152017-03-28. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. THE CUSTOMER MAY COMPLAIN OF THE FOLLOWING ISSUES: WHEN RECEIVING TWO INCOMING CALLS SIMULTANEOUSLY, BOTH CALLS ARE ENDED AUTOMATICALLY. ITUNES RADIO APP DOES NOT PLAY VIA BLUETOOTH AUDIO. PODCAST AND AUDIOBOOK MEDIA PLAYBACK IS INOPERATIVE VIA BLUETOOTH AUDIO.
T-TT-0381-162017-03-21. Service bulletin. EQUIPMENT. TECH TIP: SOME CUSTOMERS MAY EXPERIENCE DIFFICULTY PROGRAMMING HOMELINK.
T-SB-0012-13 REV2017-03-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM. "TSB: FLASH REPROGRAMMING ALLOWS THE 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."
POL14-112017-03-03. Service bulletin. EQUIPMENT. "WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. IN MID-DECEMBER, 2014, TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS WARRANTY ENHANCEMENT PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA HAS LAUNCHED THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING."
ZE6_DEALERD 12/32017-03-03. Service bulletin. EQUIPMENT. DD: IN MID-DECEMBER 2014, TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA HAS LAUNCHED THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING.
ZE6_DEALER 12/32017-03-03. Service bulletin. EQUIPMENT. DL: IN OUR CONTINUING EFFORTS TO ENSURE THE BEST IN CUSTOMER SATISFACTION, TOYOTA HAS ANNOUNCED A WARRANTY ENHANCEMENT PROGRAM (THE “PROGRAM”). THIS PROGRAM EXTENDS THE WARRANTY COVERAGE FOR REPAIRS RELATED TO CRACKED AND/OR STICKY/MELTING DASHBOARDS (INSTRUMENT PANELS) AS A RESULT OF HEAT OR HUMIDITY ON 2003-2005 MODEL YEAR 4RUNNER, 2005-2010 MODEL YEAR AVALON, 2007-2011 MODEL YEAR CAMRY AND CAMRY HYBRID, 2004-2010 MODEL YEAR SIENNA, AND 2004-2008 MODEL YEAR SOLARA VEHICLES.
T-SB-0125-152017-03-02. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. TSB: SOME 2004 – 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. FOLLOW THE PROCEDURE IN THIS BULLETIN TO REPLACE THE FRONT SEAT BELT ASSEMBLIES TO ADDRESS THIS CONDITION.
T-SB-0125-15 REV2016-12-30. Service bulletin. SEAT BELTS. TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 – 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. FOLLOW THE PROCEDURE IN THIS BULLETIN TO REPLACE THE FRONT SEAT BELT ASSEMBLIES TO ADDRESS THIS CONDITION.
T-SB-0125-15 REV2016-12-20. Service bulletin. SEAT BELTS:FRONT:RETRACTOR; SEAT BELTS. TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 – 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. FOLLOW THE PROCEDURE IN THIS BULLETIN TO REPLACE THE FRONT SEAT BELT ASSEMBLIES TO ADDRESS THIS CONDITION.
TC13-0192016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-TT-0124-112016-04-12. Service bulletin. TIRES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-TT-0051-102016-04-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-SB-0187-122016-04-12. Service bulletin. TIRES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TC13-0052016-03-31. Service bulletin. STEERING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-SB-0097-122016-03-31. Service bulletin. STEERING:LINKAGES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
POL-14-112015-10-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. TOYOTA: DURING THE HUMIDITY OR HEAT, THE DASHBOARD WOULD BE EITHER STICKY, MELTING, OR CRACKED AND A PART REPLACEMENT HAS PHASED INTO PROGRAM. MODELS 2003-05 4RUNNER, 2005-10 AVALON, 2007-11 CAMRY & HYBRID, 2004-10 SIENNA, 2004-08 SOLARA. *PE
TC-14-0012014-04-25. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE IS AN EXCESSIVE ELECTRICAL RESISTANCE, ON SOME VEHICLES, WHERE THE CONNECTOR HAD BEEN IMPROPERLY CRIMPED, DURING TIME OF MANUFACTURING, AND OXIDIZATION BUILDUP, IN CONNECTOR, RESULT IN AN ILLUMINATION OF AIRBAG WARNING LAMP. SEE TSB-0069-12 REV 2. MODEL 2004-2009 SIENNA. *PE
TSB-0097-122012-08-28. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). TOYOTA: INFORMATION BEING PROVIDED REGARDING REPAIR PROCEDURE TO CORRECT OIL LEAKAGE FROM BOOTS OF STEERING GEAR ASSEMBLY. *PE
TSB-0087-122012-08-21. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE
TSB-0069-122012-07-17. Service bulletin. AIR BAGS:SIDE/WINDOW; ELECTRICAL SYSTEM:WIRING. TOYOTA: UPDATED INFORMATION PROVIDED REGARDING THE REPAIRING PROCEDURES AVAILABLE FOR FLOOR WIRE HARNESS AND REPLACE/REPAIR SIDE AIRBAG SQUIB CIRCUIT, DEPENDING ON PRODUCTION DATE. *PE MODEL 2005-09 SIENNA. UPDATED 4/15/13. *PE SEE TC-14-001. UPDATED 4/25/14. *PE
T-SB-0381-082012-05-16. Service bulletin. TIRES:TEMPORARY/EMERGENCY SPARE TIRE. TOYOTA: SPARE TIRE CARRIER BINDING. SOME CUSTOMERS MAY EXPERIENCE THAT THE SPARE TIRE IS DIFFICULT TO REMOVE OR THE CABLE IS BINDING. *JS
TSB-0122-112011-12-17. Service bulletin. AIR BAGS; SEATS. TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE

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