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.

• 10134230Jul 28, 2015Electrical system. 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…
• 10134228Jul 28, 2015Electrical system. RL: 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…
• 10132565Jul 28, 2015Electrical system. 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…
• 10132563Jul 28, 2015Electrical system. RL: 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…
• 10111416Jul 23, 2015Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new…
• 10111126Jul 23, 2015Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new…
• 10111324Jun 30, 2015Equipment. WPB: Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity.
• 10111312Jun 30, 2015Body and structure, Equipment. RL: 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…
• 10111174Jun 30, 2015Equipment. WPB: Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity.
• 10111162Jun 30, 2015Equipment. RL: 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…
• 10058682Jun 29, 2015Electrical system. 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.
• 10111291Jun 24, 2015Electrical system. TSB: Certain 2003 - 2011 model year Toyota vehicles may exhibit a condition where the instrument panel pad (dashboard) becomes cracked and/or has a shiny/degraded appearance. The pad surface may also become sticky or adherent. Follow the procedure in this bulletin to address this condition.
• 10111141Jun 24, 2015Electrical system. TSB: Certain 2003 - 2011 model year Toyota vehicles may exhibit a condition where the instrument panel pad (dashboard) becomes cracked and/or has a shiny/degraded appearance. The pad surface may also become sticky or adherent. Follow the procedure in this bulletin to address this condition.
• 10111562May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111179May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111390Apr 10, 2015Electrical system. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase…
• 10111197Apr 10, 2015Electrical system, Equipment. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase…
• 10111389Apr 9, 2015Equipment. TSB: Some 2004 - 2015 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 minimize the odors experienced.
• 10111196Apr 9, 2015Equipment. TSB: Some 2004 - 2015 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 minimize the odors experienced.
• 10096813Jan 25, 2015Transmission and drivetrain, Seat 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.
• 10134128Jan 15, 2015Engine, 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).
• 10096036Jan 15, 2015Electrical system, Engine. "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).
• 10197491Dec 9, 2014Equipment. Warranty enhancement program.
• 10134211Dec 9, 2014Electrical system. Electronic Communication: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted 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…
• 10134203Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted 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…
• 10132639Dec 9, 2014Electrical system. Electronic Communication: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted 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…
• 10132631Dec 9, 2014Electrical system. Region Letter: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program. This program extends the warranty coverage for repairs related to cracked and/or sticky/melted 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…
• 10109397Nov 24, 2014Body and structure, Suspension, Equipment, Electrical system. Region 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…
• 10109394Nov 24, 2014Body and structure, Electrical system, Suspension, Equipment. 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.
• 10109404Oct 16, 2014Transmission and drivetrain. TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Incorrect torque converter bolts or missing washers can cause damage to the torque converter assembly.
• 10109492Sep 30, 2014Transmission and drivetrain. TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.
• 10132715Jul 25, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10132708Jul 7, 2014Equipment. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased.
• 10132762Jun 12, 2014Electrical 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).
• 10132812May 1, 2014Back-over prevention (rear camera), Engine. Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.
• 10131819Apr 17, 2014Steering. This bulletin is now obsolete. Please see T-SB-0030-14 .
• 10131818Apr 17, 2014Steering. A new repair procedure and overhaul kit have been developed for repairing the power steering rack to improve the overall serviceability and reduce ownership cost. This repair procedure only applies to vehicles where the steering rack leak is originating from the right (passenger) side and is the OEM steering rack assembly.
• 10133777Apr 4, 2014Equipment. 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 receive the Follow-Up…
• 10133774Apr 4, 2014Equipment. 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.
• 10133720Apr 4, 2014Tires, Visibility (wipers, defrost, mirrors). 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 receive the Follow-Up…
• 10133717Apr 4, 2014Visibility (wipers, defrost, mirrors), Tires. 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.
• 10131928Feb 5, 2014Brakes, Equipment. A key part to maintain the proper function and safe operation of the vehicle's braking system is to perform a visual inspection when installing brake pads, calipers, and discs. The following recommendations are intended to provide general tips for the inspection and/or installation of Toyota Complete Maintenance Care (TCMC) front brake pads and discs. Always refer to the model specific Repair manual and TIS…
• 10131968Jan 23, 2014Air bags. Toyota has received reports regarding excessive electrical resistance in the Side Airbag connector of certain 2004 to 2009 Model Year Sienna vehicles. The connector could have been improperly crimped during the manufacturing process. In certain cases, oxidization buildup in the connector can occur resulting in illumination of the airbag warning lamp.
• 10131951Jan 23, 2014Tires. Toyota vehicles are equipped with either conventional or run-flat tires. Sometimes punctures may occur as a result of contact with road debris or other hazards. If a puncture occurs, it may be possible to repair the tire and return it to service. With a conventional tire it is not possible to drive for an extended amount of time with the tire at low pressures as damage to the tire may occur.
• 10131967Jan 22, 2014Air bags. In our continuing efforts to help ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program to extend the warranty coverage for the Side Airbag Connector on certain 2004 to 2009 Model Year Toyota Sienna vehicles.
• 10055245Jan 22, 2014Electrical system, Air bags. 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.
• 10131949Jan 17, 2014Air bags. Some 2004 ? 2009 model year Sienna vehicles may exhibit an SRS lamp ?ON? condition with Diagnostic Trouble Code (DTC) B0111 and/or B0116. An updated repair procedure is available to address this condition. Follow the procedures in this bulletin to repair the floor harness and the side airbag squib circuit.
• 10131961Jan 14, 2014Air bags. Toyota vehicles are equipped with Supplemental Restraint Systems (SRS), including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
• 10131993Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see T-SB-0185-13.
• 10131988Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.

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