One problem related to transmission solenoid has been reported for the 2009 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Toyota Sienna based on all problems reported for the 2009 Sienna.
Car had unexplained acceleration. Car had solenoid recall repair. Car would surge forward slightly until accident caused it to go out of control. Also, takata recall. Car was filled with air bag material and side air bags caused almost fatal injury to my wife and severe injury to my son. Car was traveling on side street traveling around 30 miles per hour until it sped up to 68. 4 mph. .
| Power Train problems | |
| Automatic Transmission problems | |
| Transmission Solenoid problems |