- Worst Model Year:
- 2000
- Worst Complaint:
- engine diagnostic light on, transmission failure
Here are the Toyota Siennas that have the most problems reported over the last 14 years.
The 2004 Toyota Sienna has the most complaints, & the most-reported problem is with the 2007 Sienna for loss of power after slowing down.
Worst Reported Problems with the Sienna
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#1: engine diagnostic light on, transmission failure on the 2000 Sienna
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#2: drivers door check strap spot weld failed on the 2004 Sienna
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#3: sudden unintended acceleration without touching the pedal on the 2004 Sienna
Latest Owner Complaints About the Sienna
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grinding noise from wheels -- 2005 Sienna:
From very early on this grinding sometimes when slowly accelerating and turning the wheel at the same time. Have had mechanics listen but they are not able to hear what I hear and my husband is hard of hearing so that is no help. Read more »
This problem has been reported 1 times by other 2005 Sienna owners.
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headlight flickering -- 2005 Sienna:
At an exhorbinate cost, the dealership replaced the headlamp assembly, the problem from the beginning. This should have been covered by warranty. Read more »
This problem has been reported 1 times by other 2005 Sienna owners.
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after stopping engine, transmission clicks -- 2005 Sienna:
experience with toyota dealership less than satisfying on other problems Read more »
This problem has been reported 1 times by other 2005 Sienna owners.
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automatic door malfunctioned -- 2006 Sienna:
In a quick internet search this seems to be a very common problem and my dealer confirmed it is a common problem. Toyota wants $1700+ to replace the door motor. If there are a rash of people with the identical problem the item must be defective. Step up and do the right thing Toyota Read more »
This problem has been reported 2 times by other 2006 Sienna owners.
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door strap spot weld failed -- 2005 Sienna:
Door weld failed. Initially Toyota dealer told me to take to body shop for repair. After doing research and finding this was design flaw, I contacted Toyota, filed formal case, and was then told Toyota would not pay for repairs because Sienna is 7 years old. Local dealer then told me the repair ... Read more »
This problem has been reported 8 times by other 2005 Sienna owners.