10.0

really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
28,063 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Toyota Sienna transmission problems

transmission problem

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2004 Toyota Sienna Owner Comments (Page 3 of 3)

« Read the previous 20 complaints

problem #2

Nov 282003

Sienna 6-cyl

  • Automatic transmission
  • 1,000 miles

A D V E R T I S E M E N T S

2004, Toyota Sienna xle limited. Very sluggish throttle response when cruising, apparently due to very sluggish automatic transmission down shift. No problem when accelerating from a stop. Problem is bad enough to cause an accident when the driver expects reasonable throttle response to avoid a collision, such as crossing an intersection.

- Phoenix, AZ, USA

problem #1

Sep 022003

Sienna

  • miles
While driving automatic transmission did not shift properly from the "lower to higher gear. Dealer has inspected vehicle and stated it was running under Toyota specifications.

- Coral Springs, FL, USA

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