2004 Toyota SiennaService bulletins
2004 Toyota Sienna Technical Service Bulletins
217 technical service bulletins (TSBs) are on record for the 2004 Toyota Sienna. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10133654Nov 22, 2017Electrical system. TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be discarded. In the event that a Toyota vehicle becomes submerged in water, many components may be physically damaged. Electrical and electronic components, including wiring harnesses, are particularly susceptible to corrosion and subsequent…
- 10133649Nov 21, 2017Equipment. TSB: OBSOLETE NOTICE November 21, 2017: This bulletin is now obsolete. Please see T-SB-0304-17.
- 10146509Nov 9, 2017Equipment. Warranty Policy Bulletin: 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 voluntary warranty enhancement program. Since prior to that announcement, Toyota has been diligently making parts preparations for the parts replacement phase of this Program.
- 10123430Oct 30, 2017Equipment. TSB: REVISION NOTICE October 30, 2017 Rev1: * Applicability has been updated to include 2018 model year vehicles. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0012-13. Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures…
- 10123420Oct 27, 2017Body and structure. TSB: Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) may be available from Toyota, provided the request meets one of the criteria listed in this Service Bulletin.
- 10132705Oct 25, 2017Electrical system. TSB: REVISION NOTICE October 25, 2017 Rev2: ? Applicability has been updated to include 2008 ? 2010 model year Sienna vehicles. ? The Production Change Information section has been removed. ? The Parts Information and Repair Procedure sections have been updated. SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. EL004-04. ? Applicability has been updated to include 2005 ? 2010 model…
- 10115283Jul 14, 2017Body and structure, Equipment. Dealer Package: Toyota has received reports indicating that some vehicles experienced symptoms of the condition in Special Service Campaign A7E after being inspected and/or repaired.
- 10132360Jun 15, 2017Electrical system. Warranty Policy Bulletin POL14-11: Rev Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity.
- 10131838Mar 22, 2017Electrical system. Warranty Policy Bulletin POL14-11: REVISED March 22, 2017: Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity.
- 10131837Mar 22, 2017Electrical system. Dealer Daily: Voluntary Extension of Warranty Coverage for Cracked and/or Sticky/Melting Dashboards (Instrument Panels) as a Result of Heat or Humidity.
- 10131852Mar 8, 2017Air bags. Dealer Letter: Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed.
- 10131851Mar 8, 2017Air bags. Region Letter: Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed.
- 10152205Jan 6, 2017Electrical system. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes SB No. T-SB-0101-11. Applicability has been updated to include 2016 ? 2017 model year vehicles. Service Bulletin No. T-SB-0101-11 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this bulletin before proceeding. When servicing interior electrical switches and components, please note the…
- 10132930Nov 29, 2016Electrical system. TSB: OBSOLETE NOTICE: September 14, 2016: This bulletin is now obsolete. Please see T-SB-0134-16.
- 10132901Nov 10, 2016Equipment. TSB: REVISION NOTICE November 10, 2016 Rev2: ? Applicability has been updated to include 2016 ? 2017 model year Toyota vehicles. ? Parts Information section has been updated. Some 2004 ? 2017 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to…
- 10150418Sep 14, 2016Electrical system. TSB: Supersession Notice. 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).
- 10149217Sep 14, 2016Engine. TSB: Supersession Notice. 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).
- 10145776Jul 21, 2016Equipment. Update on Technician Certification Requirements.
- 10134338Jul 5, 2016Seat 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.
- 10087545Jul 5, 2016Seat 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.
- 10086605Jul 5, 2016Seat 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.
- 10111320Jun 9, 2016Equipment, Body and structure. DL: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing 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…
- 10111170Jun 9, 2016Equipment. DL: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing 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…
- 10134333Mar 9, 2016Equipment. Technical Instructions: The repair quality of covered vehicles is extremely important to Toyota. All dealership technicians performing this repair are required to successfully complete the most current version of the E-Learning course ?Safety Recall and Service Campaign Essentials.? To ensure that all vehicles have the repair performed correctly, technicians performing this repair are required to currently hold at…
- 10134332Mar 9, 2016Equipment. Dealer Letter: Toyota has received reports indicating that some vehicles may experience spare tire carrier or carrier cable corrosion even after being inspected and/or repaired as part of a previous Special Service Campaign. During normal usage, water splashing rearward can reach the spare tire carrier due to variation in the placement of the foam splash guard or loss of the splash guard.
- 10134331Mar 9, 2016Tires, Equipment. Dealer Daily: The Special Service Campaign ESS Dealer Letter and Technical Instructions are now available on TIS.
- 10134330Mar 9, 2016Tires, Equipment. Dealer Daily: Toyota has received reports indicating that some vehicles may experience spare tire carrier or carrier cable corrosion even after being inspected and/or repaired as part of a previous Special Service Campaign. During normal usage, water splashing rearward can reach the spare tire carrier due to variation in the placement of the foam splash guard or loss of the splash guard.
- 10134148Jan 25, 2016Seat belts. Dealer Letter: Safety Recall completion is important not only in satisfying government requirements, but also is an integral part of our commitment to meet customer expectations of Toyota products. Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. We request your assistance in completing the applicable campaign repairs as owners…
- 10134147Jan 25, 2016Seat belts. Region Letter: Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. Please note the following information for Regional and PD associates.
- 10096816Jan 25, 2016Transmission and drivetrain, Seat belts. "dealer letter: safety recall completion is important not only in satisfying government requirements, but also is an integral part of our commitment to meet customer expectations of toyota products. Toyota will be sending safety recall follow-up notices to remind owners whose vehicles have not yet had campaign repairs completed. We request your assistance in completing the applicable campaign repairs as owners…
- 10134140Jan 11, 2016Electrical system. Tech Tip: Some customers may experience difficulty programming HomeLink.
- 10096097Jan 11, 2016Equipment. Tech tip: some customers may experience difficulty programming homelink.
- 10134142Jan 7, 2016Seat belts. In certain 2004 to 2006 model year Sienna vehicles, Toyota has received some reports where the front seatbelts (right and/or left) may slowly or non-smoothly retract.
- 10134141Jan 7, 2016Seat 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…
- 10096800Jan 7, 2016Seat belts. In certain 2004 to 2006 model year sienna vehicles, toyota has received some reports where the front seatbelts (right and/or left) may slowly or non-smoothly retract.
- 10096799Jan 7, 2016Seat 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 toyotas new vehicle limited warranty for 5 years or 60,000 miles (whichever comes first), we at…
- 10152253Dec 16, 2015Seat belts. 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.
- 10093504Dec 16, 2015Seat belts. 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.
- 10152279Dec 3, 2015Electrical system. 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.
- 10152278Dec 3, 2015Equipment. 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.
- 10152277Dec 3, 2015Electrical system. 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…
- 10093712Dec 3, 2015Equipment. "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.
- 10093708Dec 3, 2015Equipment. 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.
- 10093702Dec 3, 2015Equipment. 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…
- 10134223Sep 15, 2015Engine, Electrical system. 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.
- 10096556Sep 15, 2015Electrical 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.
- 10134255Sep 10, 2015Body and structure. 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.
- 10096776Sep 10, 2015Equipment, Body and structure. "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.
- 10134454Aug 24, 2015Transmission and drivetrain. TechTip: Condition - 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.
- 10132529Aug 24, 2015Electrical system, Engine. TechTip: Condition - 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.
← All problems reported for the 2004 Toyota Sienna
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.