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NHTSA investigationPE06029

Investigation PE06029: 2004–2005 Toyota Sienna

Status
CLOSED
Opened
Aug 2, 2006
Closed
Dec 1, 2006
Model years
2004–2005

Subject

Unexpected liftgate closing

Component: Latches/locks/linkages › Hatchback/liftgate › Lock

Summary

The liftgate gas struts for the subject vehicles may have damaged gas seals that allow the liftgate to drop unexpectedly.the rates for complaints, alleged injuries and warranty claims are higher for vehicles with the power liftgate option.the power liftgate may automatically power-close at the completion of a power-open command without input from the operator.some owners are caught unaware of the power-close operation while under the rear liftgate door.odi has upgraded the investigation to an engineering analysis (ea06-020) and modified the scope to include only the subject vehicles with the power liftgate option.

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.