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Service bulletin ZH4_Dealer Packa

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10162763
Published by NHTSA2019-07-15
Manufacturer's numberZH4_Dealer Packa
Manufacturer's date2019-06-19
NHTSA componentLATCHES/LOCKS/LINKAGES

NHTSA's summary

Dealer Package: June 19, 2019 Information about a proposed class action settlement has been added. ? Toyota has expanded the covered vehicle population. ? Toyota has extended the coverage period by one additional year. In our continuing efforts to ensure the best in customer satisfaction, and pursuant to a class action settlement, Toyota is announcing a Customer Support Program to extend the warranty coverage for the sliding door front lock assemblies on certain 2011 ? 2018 model year Sienna vehicles.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Latches and locks

Vehicles listed
TOYOTA SIENNA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
ZH5_Toyota POL172019-07-15. Service bulletin. Customer Support Program: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011?2018 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 position. ? 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_Toyota POL172019-07-15. Service bulletin. Customer Support Program: Toyota has received a number of reports regarding the power sliding door rear lock assemblies on certain 2011?2018 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 position. ? 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 Packa2019-07-15. Service bulletin. Dealer Package: June 19, 2019 Information about a proposed class action settlement has been added. ? Toyota has expanded the covered vehicle population. ? Toyota has extended the coverage period by one additional year. In our continuing efforts to ensure the best in customer satisfaction, and pursuant to a class action settlement, Toyota is announcing a Customer Support Program to extend the warranty coverage for the power sliding door rear lock assemblies on certain 2011 ? 2018 model year Sienna vehicles.
ZH4_Toyota POL172019-07-15. Service bulletin. Customer Support Program: Toyota has received a number of reports regarding sliding door front lock assemblies on certain 2011?2018 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-TT-0356-15 Rev2018-12-17. Service bulletin. 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.
T-SB-0244-17_Rev2018-12-17. Service bulletin. TSB: REVISION NOTICE November 14, 2018 Rev1: ? The Diagnosis Procedure and Repair Procedure sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2011 ? 2018 model year Sienna vehicles may exhibit a condition where the slide door?s ?power or manual ? front and rear latches may not latch simultaneously due to corrosion on the latch lever pin of the front lock assembly. Additionally, some 2011 ? 2015 model year Sienna vehicles may exhibit a condition where the power slide door does not close properly due to internal corrosion in the latch switch of the rear lock assembly. Follow the procedures in this bulletin to address these conditions.
ZH5_Toyota POL172018-07-16. Service bulletin. 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 position. ? 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_Toyota POL172018-07-16. Service bulletin. 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 assembly.
T-SB-0208-172018-07-02. Service bulletin. TSB: Some 2011 ? 2016 model year Sienna vehicles may exhibit Sliding Door Front and Rear Latches simultaneously NOT latching due to the PSD 25 Amp fuse becoming open. APPLICABLE WARRANTY: This repair is covered under the Toyota Basic Warranty. This warranty is in effect for unlimited mileage and unlimited months of service. Warranty application is limited to occurrence of the specified condition described in this bulletin.
T-TT-0470-172018-06-11. Service bulletin. TT: All grades of 2018MY Sienna vehicles are not compatible with Entune? 3.0 Remote Connect app features. The Toyota Entune? 3.0 Remote Connect mobile app lets you lock and unlock doors, start the engine, find your vehicle in a parking lot, and monitor guest drivers.