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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.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
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.
OP-W-04222017-03-27. Service bulletin. EQUIPMENT. THIS SB NOTIFIES THE TECHNICIANS OF THE AVAILABILITY OF AN UPGRADED DOOR OPEN LIMIT SWITCH. IT'S MORE ROBUST DESIGN MAKES IT EASIER TO ADJUST AND HOLDS THE ADJUSTMENT IN PLACE REDUCING OR ELIMINATING INCORRECT SIGNALLING TO THE VMI AND OEM COMPUTER
T-TT-0309-14 REV2017-03-24. Service bulletin. EQUIPMENT:ELECTRICAL. TT: SOME CUSTOMERS MAY EXPERIENCE BLUETOOTH DISCONNECTIONS OR LOSS OF SMS TEXT MESSAGE FUNCTIONALITY ON THE NAVIGATION/AUDIO SYSTEM WITH ANDROID PHONES RUNNING OS 4.4 OR LATER. CONDITION TENDS TO OCCUR TO CUSTOMERS WHO HAVE MANY PREVIOUS TEXT MESSAGES ON THEIR PHONES.
T-SB-0028-142017-03-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. "TSB: 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-TT-0381-162017-03-21. Service bulletin. EQUIPMENT. TECH TIP: SOME CUSTOMERS MAY EXPERIENCE DIFFICULTY PROGRAMMING HOMELINK.
T-TT-0377-152017-03-02. Service bulletin. EQUIPMENT. TT: SOME CUSTOMERS MAY EXPERIENCE POOR OUTGOING BLUETOOTH SOUND QUALITY, THIS CAN OCCUR FOR VARIOUS REASONS. CURRENT MULTIMEDIA SYSTEMS ARE DESIGNED WITH THE ABILITY TO ADJUST BLUETOOTH SOUND QUALITY TO COMPENSATE FOR ECHO OR EXCESSIVE BACKGROUND NOISE.
T-TT-0385-162017-03-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. "TECH TIP: THIS TECH TIP IS BEING PROVIDED TO BRING ATTENTION TO THE NEW LOCATION OF THE ENTUNE/NAV/MAP UPDATE AND UPGRADE USB DIRECTORY. CLICK ON THE TIS TAB, DIAGNOSTICS TAB, TELEMATICS TAB, AND THE DOCUMENT IS NOW LOCATED UNDER THE REFERENCE DOCUMENTS SECTIONS. THIS CHANGE HAS OCCURRED TO HELP SPEED UP THE UPDATING PROCESS OF THIS DOCUMENT. "
T-SB-0008-162017-02-27. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. "TSB: PRE-DELIVERY SERVICE (PDS) IS A CRITICAL STEP IN SATISFYING OUR NEW CAR CUSTOMERS. CUSTOMER FEEDBACK INDICATES THE FOLLOWING AREAS DESERVE SPECIAL ATTENTION WHEN PERFORMING PDS: • CAREFUL INSPECTION FOR PAINT CHIPS/SCRATCHES AND BODY DENTS/DINGS. • PROPER OPERATION OF ELECTRICAL ACCESSORIES (INCLUDING INTERIOR LIGHT, CLOCK, AND RADIO RESET). • INTERIOR CLEANLINESS • PROPER FUNCTION OF MECHANICAL SYSTEMS. CUSTOMER RETENTION AND PROPER MAINTENANCE OF VEHIUCLES HAS BEEN A MAJOR FOCUS FOR TOYOTA. TO HELP REMIND CUSTOMERS THAT REGULAR OIL CHANGES ARE ESSENTIAL TO THE PROPER MAINTENCE OF THEIR VEHICLE, INSTALLING A FIRST OIL CHANGE REMINDER STICKER IS REQUIRED PRIOR TO DELIVERY. BY DOING THIS, CUSTOMERS WILL BE REMINDED TO RETURN TO A DEALERSHIP FOR THEIR FIRST OIL CHANGE. YOUR CURRENT OIL CHANGE REMINDER STICKER MAY BE USED. (SEE PDS CHECK SHEET ITEM 9 OF “FINAL INSPECTION & CLEANING.”) A NEW PDS CHECK SHEET HAS BEEN DEVELOPED FOR THE 2016 MODEL YEAR SIENNA. SOME CHECK POINTS HAVE BEEN ADDED, EXPANDED, OR CLARIFIED. BULLETING ARE AVAILABLE FOR ITEMS IN BOLD TYPE. "
T-SB-0007-162017-02-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. PRE-DELIVERY SERVICE CHECK SHEET
T-SB-0006-162017-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TSB: AS A RESULT OF THE REMOVAL OF THE SHORT PIN, THE POWER SOURCE TO THE STEERING ANGLE SENSOR IS CUT OFF. WHEN THE SHORT PIN IS REINSTALLED, THE PARKING ASSIST MONITOR SYSTEM WILL BE OPERATIVE, BUT IT CANNOT DISPLAY GUIDELINES TO ASSIST PARKING OPERATION BECAUSE THE CENTER POSITION IS NOT RECOGNIZED BY THE STEERING ANGLE SENSOR. PLEASE INITIALIZE THE PARKING ASSIST MONITOR SYSTEM AFTER INSTALLING THE SHORT PIN DURING PRE-DELIVERY SERVICE (PDS).
T-SB-0026-162017-02-23. Service bulletin. VEHICLE SPEED CONTROL; EQUIPMENT. 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.
G0G_TI_SIENNA2017-02-15. Service bulletin. EQUIPMENT. TECHNICAL INSTRUCTIONS: THE SUBJECT VEHICLES ARE EQUIPPED WITH AN OXYGEN SENSOR WHICH COULD EXPERIENCE WIRE DEGRADATION INSIDE THE OXYGEN SENSOR WIRING HARNESS CAUSED BY VEHICLE VIBRATION DURING NORMAL OPERATION. IF THIS OCCURS, THE VEHICLE WILL ILLUMINATE THE CHECK ENGINE LIGHT.
T-SB-0049-16 REV2016-12-14. Service bulletin. EQUIPMENT. 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-0103-162016-11-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TSB: SOME 2016 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.

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