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Service bulletins for the 2013 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.

376 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
T-SB-0043-14 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. 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.
T-SB-0045-142018-04-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. TSB: Some 2011 ? 2014 model year Sienna vehicles may exhibit a vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the brake pedal. New front brake pads and a new field fix repair procedure have been developed to improve this condition.
T-SB-0043-142018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. 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.
E0N_Dealer Lette2018-04-02. Service bulletin. EQUIPMENT. Dealer Letter: October 23, 2017 A watermark has been added to the Dealer Letter to indicate that E0N expired on June 30, 2017.
E0N_Expired LSC_2018-04-02. Service bulletin. EQUIPMENT. TI: Technical Instructions for Limited Service Campaign E0N Driving Support ECU Certain 2011-2014 Model Year Sienna.
T-TT-0453-17-Rev2018-04-02. Service bulletin. EQUIPMENT. TT: Previously, an error message was received when performing DCM activation initiated by Techstream. This condition has been remedied, and DCM activation utilizing Techstream can now be resumed.
T-SB-0180-12 Rev2018-04-02. Service bulletin. SEATS:MID/REAR ASSEMBLY. TSB: OBSOLETE NOTICE December 2, 2015: This bulletin is now obsolete. Please see T-SB-0118-15.
T-TT-0234-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
T-TT-0234-13 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
T-TT-0293-14 Rev2018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active. The first year of service is provided in the vehicle purchase price. Once the subscription has lapsed the DCM will be in an inactive state. In some instances, a DCM may need to be replaced even though the customer is not using the service.
T-SB-0045-14_Rev2018-04-02. Service bulletin. SERVICE BRAKES. TSB: REVISION NOTICE September 19, 2017 Rev2: ? Applicability has been updated to include 2017 model year Sienna vehicles. 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. Some 2011 ? 2017 model year Sienna vehicles may exhibit a vibration/pulsation from the front brakes that can be felt in the brake pedal while lightly applying the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.
T-TT-0453-172018-04-02. Service bulletin. EQUIPMENT:ELECTRICAL. TT: An error message is received when performing DCM activation initiated by Techstream. This is a known condition and will be remedied in the near future. Please discontinue DCM activations utilizing Techstream until further notice.
ZH5_Dealer Daily2018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer Daily Message: Extension of Warranty Coverage for the Power Sliding Door Rear Lock Assemblies. The Dealer Letter for Warranty Enhancement Program ZH5 is now available on TIS.
ZH5_Toyota POL172018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Warranty Policy Bulletin: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011 ? 2015 model year Sienna vehicles. In these reports, corrosion on the position sensor of the left and/or right power sliding door rear lock assembly caused that door to exhibit one or more of the abnormal operations described below: ? During power mode closing operation, as the power sliding door reaches the nearly closed position, the door reverses and moves toward the open positon. ? During power mode closing operation, the power sliding door cannot completely close and latch. ? The power mode closing operation of the power sliding door is inoperative.
ZH5_Dealer Lette2018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Dealer Letter: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011 ? 2015 model year Sienna vehicles. In these reports, corrosion on the position sensor of the left and/or right power sliding door rear lock assembly caused that door to exhibit one or more of the abnormal operations described below: ? During power mode closing operation, as the power sliding door reaches the nearly closed position, the door reverses and moves toward the open positon. ? During power mode closing operation, the power sliding door cannot completely close and latch. ? The power mode closing operation of the power sliding door is inoperative.
ZH5_Dealer Email2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer Email: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011 ? 2015 model year Sienna vehicles. In these reports, corrosion on the position sensor of the left and/or right power sliding door rear lock assembly caused that door to exhibit one or more of the abnormal operations described below: ? During power mode closing operation, as the power sliding door reaches the nearly closed position, the door reverses and moves toward the open positon. ? During power mode closing operation, the power sliding door cannot completely close and latch. ? The power mode closing operation of the power sliding door is inoperative.
ZH5_Region Lette2018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Region Letter: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011 ? 2015 model year Sienna vehicles. In these reports, corrosion on the position sensor of the left and/or right power sliding door rear lock assembly caused that door to exhibit one or more of the abnormal operations described below: ? During power mode closing operation, as the power sliding door reaches the nearly closed position, the door reverses and moves toward the open positon. ? During power mode closing operation, the power sliding door cannot completely close and latch. ? The power mode closing operation of the power sliding door is inoperative.
ZH5_Region Email2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Region Email: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011 ? 2015 model year Sienna vehicles. In these reports, corrosion on the position sensor of the left and/or right power sliding door rear lock assembly caused that door to exhibit one or more of the abnormal operations described below: ? During power mode closing operation, as the power sliding door reaches the nearly closed position, the door reverses and moves toward the open positon. ? During power mode closing operation, the power sliding door cannot completely close and latch. ? The power mode closing operation of the power sliding door is inoperative.
ZH4_Dealer Daily2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer Daily Message: Extension of Warranty Coverage for the Sliding Door Front Lock Assemblies. The Dealer Letter for Warranty Enhancement Program ZH4 is now available on TIS.
ZH4_Toyota POL172018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Warranty Policy Bulletin: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock.
ZH4_Dealer Lette2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Dealer Letter: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Dealer Email2018-04-02. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. Dealer Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Region Lette2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR. Region Letter: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
ZH4_Region Email2018-04-02. Service bulletin. STRUCTURE:BODY:DOOR. Region Email: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011 ? 2016 model year Sienna vehicles. In these reports, during the closing operation of the left and/or right side sliding door, the door would not completely close and latch due to corrosion on the latch lever pin of the door?s front lock assembly.
T-SB-0244-172018-04-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit power or manual sliding door front and rear latches simultaneously NOT latching due to corrosion on the latch lever pin of the front lock assembly. Additionally, some 2011 ? 2015 model year Sienna vehicles may exhibit power sliding door abnormal closing operation due to internal corrosion in the latch switch of the rear lock assembly.

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