Technical Service Bulletins (TSBs) for the 2014 Sienna are official communications between Toyota & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
"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. Read More »
"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. Read More »
TSB: SOME 2014 ? 2016 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT AN INTERMITTENT CRUISE CONTROL STALK ILLUMINATION FLICKER CONDITION. PLEASE FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THE CONDITION. Read More »
"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. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DUE TO AN UNPLANNED EXPIRATION OF MOBILE IDENTIFICATION NUMBER/MOBILE DIRECTORY NUMBER, IN SOME VEHICLES, THE SAFETY CONNECT SYSTEM HAS BECOME DISABLED AND NEEDS REPROGRAMMING. Read More »
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 ... Read More »
TT: SLIDING DOOR WILL NOT LATCH IN THE CLOSED POSITION DUE TO EITHER FRONT AND/OR REAR LOCK MALFUNCTIONING. PLEASE SEE LINK REFERENCES OF VIDEO FOR EXAMPLE CONDITION AND DIAGNOSIS INSTRUCTION. Read More »
TT: SLIDING DOOR WILL NOT LATCH MANUALLY IN THE CLOSED POSITION DUE TO EITHER THE FRONT AND OR/REAR LOCK MALFUNCTIONING. PLEASE SEE LINK REFERENCES OF VIDEO FOR EXAMPLE CONDITION. Read More »
TT: SLIDING DOOR WILL NOT LATCH IN THE CLOSED POSITION DUE TO EITHER FRONT AND/OR REAR LOCK MALFUNCTIONING. PLEASE SEE LINK REFERENCES OF VIDEO FOR EXAMPLE CONDITION AND DIAGNOSIS INSTRUCTION. Read More »
TT: SLIDING DOOR WILL NOT LATCH MANUALLY IN THE CLOSED POSITION DUE TO EITHER THE FRONT AND OR/REAR LOCK MALFUNCTIONING. PLEASE SEE LINK REFERENCES OF VIDEO FOR EXAMPLE CONDITION. Read More »
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. Read More »
TSB: SOME 2014 ? 2016 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT AN INTERMITTENT CRUISE CONTROL STALK ILLUMINATION FLICKER CONDITION. PLEASE FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THE CONDITION. Read More »
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. Read More »
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 ... Read More »
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). Read More »
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. Read More »
"TT: SOME CUSTOMERS MAY ENCOUNTER BLUETOOTH CONNECTIVITY CONCERNS SUCH AS: ? DIFFICULTY PAIRING THE PHONE. ? INTERMITTENT BLUETOOTH FAILURE TO CONNECT WHEN FIRST TURNING ON THE VEHICLE. Read More »
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. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A PROGRAM ERROR, IN DRIVING SUPPORT ECU, HAS RADAR SENSOR PRE-COLLISION SYSTEM (PCS) INACTIVE 10 SECONDS OR MORE, WHILE STOPPED, WILL FAIL TO REACTIVATE PRE-COLLISION BRAKING. Read More »
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. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DUE TO AN UNPLANNED EXPIRATION OF MOBILE IDENTIFICATION NUMBER/MOBILE DIRECTORY NUMBER, IN SOME VEHICLES, THE SAFETY CONNECT SYSTEM HAS BECOME DISABLED AND NEEDS REPROGRAMMING. Read More »
