really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
1 / 0
Average Mileage:
12,528 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 electrical problems

electrical problem

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2004 Toyota Sienna Owner Comments

problem #7

May 302009


  • 62,000 miles


The contact owns a 2004 Toyota Sienna. The contact has not been able to use the door locks in her vehicle for several months. The dealer was unable to diagnose the cause of the failure. Recently, while attempting to stop the vehicle, the rear passenger side door opened. In addition, the battery failed and was replaced twice by the dealer. The failure was not corrected and the dealer stated that they could not determine the cause of the failure. The contact replaced the battery herself with a heavy duty battery. She took the vehicle back to the dealer and they stated that the door motor failed, and that the door was an inch off the door track. The estimated cost of repair was $1,800. The failure mileage was 62,000 and current mileage was 64,000.

- Patterson , NY, USA

problem #6

Oct 222007

Sienna 6-cyl

  • Automatic transmission
  • 10 miles
Battery dead.

- Poway, CA, USA

problem #5

Sep 012005


  • 21,986 miles
2004 Toyota Sienna developed problems with the brake equipment.** answer required*** on four occasions, the brakes had been inspected by mechanics and in some cases reinstalled. The consumer also experienced a grinding noise on two different trips. The consumer was informed that the grinding noise was coming from the rear brakes and did not constitute serious brake problems. The consumer tried to use the hitch mount/bike rack only to find that the hitch would bottom out while entering gas stations or exiting driveways. Also, as an alternative to the hitch not operating properly, the consumer added rear air bags on the suspension system in order to give the vehicle additional clearance and they have failed and or blew out about three times. Other problems: Battery failure, rear bumper clip not holding the bumper in place, interior trim piece on seat detaching, grab handle trim piece breaking, and the consumer's daughter's hand had gotten stuck in the automatic door that was not supposed to close due to resistance in the path.

- Norristown, PA, USA

problem #4

Apr 212004


  • miles


Battery saver feature does not work as advertised. If rear hatch does not close completely interior lights remain on until battery is dead. Toyota advertises that the battery-saver feature is supposed to turn interior lights off after 20 minutes to prevent battery drain. This is not only false advertisement but is unsafe since it can easily leave you stranded with a dead battery.

- Leesburg, VA, USA

problem #3

Mar 022004


  • 1,565 miles
The rear hatch on my two-month old 2004 Toyota Sienna did not close all the way, therefore the interior light stayed on and drained the battery after one night. An owners town hall type web-page states that Toyota noticed this "oversight" ( the interior lights not timing-out) and corrected the problem. From what I understand there was no recall and no fix for those of us who have this problem. I have small children and need a reliable vehicle, that's why we bought the '04 Sienna. As a consumer what can I do?

- Birmingham, AL, USA

problem #2

Feb 112004

(reported on)


  • 2,000 miles
Vehicle has a battery saver feature which should go into effect after 30 minutes. However, battery save feature was ineffective. After 6 weeks consumer was told that vehicle was not equipped with the battery saver feature. Manufacturer was still advertising that the feature was installed and came with the new vehicles.

- Cincinnati, OH, USA

problem #1

Feb 092004

Sienna 6-cyl

  • Automatic transmission
  • 138 miles
Battery saver on my '04 Toyota Sienna doesn't work. Insdie lights were left on accidentally and they didn't turn off as advertised in the literature and owner's manual. Battery went dead and had to be jump-started,

- Springfield, VA, USA

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