Technical Service Bulletins (TSBs) for the 2015 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 »
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. 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 2015 MODEL YEAR SIENNA VEHICLES EQUIPPED WITH DUAL FRONT AIR CONDITIONING SYSTEMS MAY EXHIBIT AN INTERMITTENT BUZZING NOISE CONDITION COMING FROM THE CENTER OF THE INSTRUMENT PANEL DURING HVAC OPERATION. Read More »
TSB: SOME 2015 ? 2016 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A GREASE LEAK WHERE GREASE IS COMING THROUGH THE BOOT CLAMP AREA ON THE BIG END OF THE OUTBOARD FRONT AXLE SHAFT JOINT. Read More »
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. Read More »
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 ... Read More »
DEALER EMAIL: 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. Read More »
REGION EMAIL: 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. Read More »
REGION LETTER: 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. Read More »
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 ... 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 »
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: DURING THE MANUFACTURING PROCESS TIRES ARE MOUNTED ON THE VEHICLE AS MATCHED SETS TO HELP REDUCE CONDITIONS SUCH AS PULLING OR DRIFTING. 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 »
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. Read More »
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 ... 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 MODEL YEAR APPLICABLE VEHICLES EQUIPPED WITH ENTUNE? AUDIO (VERSION 010169) / ENTUNE? AUDIO PLUS (VERSION 010171) / ENTUNE? PREMIUM AUDIO (VERSION 010185) MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONDITIONS. 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 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. 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: SOME VEHICLES NEED UPDATED CLEARANCE WARNING COMPUTER TO RESOLVE PARKING ASSIST CUSTOMIZE SETTINGS THAT WILL NOT BE CHANGED THROUGH DISPLAY OF RADIO. MODEL 2015 SIENNA. *PE Read More »
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. Read More »
TSB: SOME 2014 MODEL YEAR APPLICABLE VEHICLES EQUIPPED WITH ENTUNE? AUDIO (VERSION 010169) / ENTUNE? AUDIO PLUS (VERSION 010171) / ENTUNE? PREMIUM AUDIO (VERSION 010185) MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONDITIONS. Read More »
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. 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 »
TSB: SOME 2015 MODEL YEAR SIENNA VEHICLES EQUIPPED WITH DUAL FRONT AIR CONDITIONING SYSTEMS MAY EXHIBIT AN INTERMITTENT BUZZING NOISE CONDITION COMING FROM THE CENTER OF THE INSTRUMENT PANEL DURING HVAC OPERATION. Read More »
