Toyota Sienna owners have reported 524 power train related problems since 1996. Table 1 shows the 31 most common power train problems. The number one most common problem is related to the vehicle's power train (226 problems). The second most common problem is related to the vehicle's automatic transmission (120 problems). For details of each of the problem category, use the links in the table.
My 2017 Toyota Sienna has a whine noise coming from the transmission. Brought it to the dealer I have done everything at for this van and they say it’s the transmission and it will cost more than it’s worth. There’s a csp-zjc but my VIN isn’t on there. Read details...
My 2008 Sienna hesitates when gas pedal is pressed after slowing down. The engine revs fast (engine is loud) but car does not respond accordingly by moving ahead until a couple of seconds later. Usually I would release the gas pedal to prevent the engine rev from going very high. Read details...
The contact owns a 2012 Toyota Sienna. The contact stated that the rear differential was making an abnormal whirling and grinding sound. There were no warning lights illuminated. The contact called the local dealer but the vehicle was not diagnosed or repaired. Read details...
Tl the contact owns a 2007 Toyota Sienna. While driving at an unknown speed, the vehicle began to jerk and the transmission hesitated. The vehicle was taken to an independent mechanic where it was diagnosed that the transmission failed. The dealer was not contacted. The vehicle was not repaired. Read details...
Observed slipping during full stops, engine died several occasions before the actual total failure of parts involved, loss of forward motion or speed pick-up, transmission fluid leaked (Toyota issued an automatic transaxle warranty enhancement notice involving 1998-2000 Siennas but apparently Read details...