One problem related to computer failure has been reported for the 2003 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Sienna based on all problems reported for the 2003 Sienna.
On 09/04/09, my 2007 Toyota corolla computer failure resulted in power lose within seconds at traffic light and stopped. This has been reported to NHTSA on 09/08/09 and complaint # is 10283338. However, my another Toyota car also had computer failure in Nov 2009. All of my 2 Toyota cars had computer failure in 2009. I believe the Toyota cars have computer problems and I suggest NHTSA to open investigation. 2003 Toyota Sienna computer failure resulted engine light illuminated around Nov. 21, 2009.
| Instrument Panel problems | |
| Computer Failure problems | |
| Horn Assembly problems | |
| Battery Cable problems |