2004 Toyota Sienna Electrical System Problems
Owners have filed 132 complaints with NHTSA about electrical system problems on the 2004 Toyota Sienna, 6% of all complaints for this model year. Half of the reports with a mileage happened before 81,000 miles. The words owners use most often: “sliding door” (36% of reports).
- 132electrical system complaints
- 81,000median miles at failure
- 0mention a crash
- 4mention an injury
- 0related recalls
- 35%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Sliding door: mentioned in 48 of 132 complaints (36%)
- Open close: mentioned in 12 of 132 complaints (9%)
- Side power: mentioned in 8 of 132 complaints (6%)
- Cable broke: mentioned in 7 of 132 complaints (5%)
At what mileage do electrical system problems happen?
Based on 110 complaints that reported the odometer reading.
How serious are the reports?
Of 132 complaints, 5 a fire, 4 an injury.
Toyota Sienna electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2020 Sienna | 7 | 18% | 60,000 |
| 2019 Sienna | 4 | 9% | 7,000 |
| 2018 Sienna | 7 | 10% | 115,576 |
| 2017 Sienna | 20 | 13% | 13,100 |
| 2016 Sienna | 9 | 12% | 19,000 |
| 2015 Sienna | 44 | 19% | 19,000 |
| 2014 Sienna | 16 | 10% | 37,925 |
| 2013 Sienna | 22 | 12% | 64,000 |
| 2012 Sienna | 27 | 11% | 39,910 |
| 2011 Sienna | 69 | 11% | 60,000 |
| 2010 Sienna | 20 | 12% | 87,677 |
| 2009 Sienna | 28 | 14% | 115,000 |
| 2008 Sienna | 45 | 10% | 71,011 |
| 2007 Sienna | 18 | 5% | 45,000 |
| 2006 Sienna | 85 | 8% | 72,500 |
| 2005 Sienna | 65 | 6% | 83,231 |
| 2004 Sienna | 132 | 6% | 81,000 |
| 2003 Sienna | 4 | 4% | 18,010 |
| 2002 Sienna | 24 | 13% | 93,224 |
| 2001 Sienna | 20 | 11% | 56,000 |
| 2000 Sienna | 17 | 5% | 69,140 |
| 1999 Sienna | 10 | 5% | 100,000 |
| 1998 Sienna | 14 | 5% | 140,000 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2004 Toyota Sienna. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2004 Toyota Sienna. The contact stated while the vehicle was parked, the tailgate inadvertently opened, then closed independently. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the tailgate hydraulic struts…
The failing component is the VSC/ABS system. It puts the occupants of the van and other motorists at risk of either causing a collision or causing the driver of vehicle in question to be unable to control the vehicle . The failure appears when going in a curve in the road at low speed causing the…
While driving on dry freeway or other stable road conditions, the Electronic Stability Control kicks in, braked hard, causing the van to swerve, and the lights on the dash started flashing, accompanied by a loud beeping. This has happened multiple times now. There is no reason for this to be…

Frequently asked questions
Do all 2004 Toyota Siennas have electrical system problems?
No. NHTSA has 132 owner complaints about electrical system for the 2004 Toyota Sienna (6% of the 2,062 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2004 Toyota Sienna electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 81,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2004 Toyota Sienna?
The most frequent phrase is “sliding door”, in 48 of 132 complaints, followed by “open close” (12).
Other 2004 Toyota Sienna problems
See all 2004 Toyota Sienna problems or electrical system problems across all Sienna years.