Automatic Transmission Control Module Problems of Toyota Sienna

Transmission sluggish vehicle delay when changing to 2nd & 3rd gears. Van uses excessive amounts of gasoline. Very poor gas mileage. When I took vehicle to dealership they reprogrammed engine control module r&r however after driving car for 2weeks problem began again.

See all problems of the 2006 Toyota Sienna 🔎.

: the contact stated the vehicle hesitated while pulling out of a parking lot with the accelerator depressed. The vehicle was driven to the dealer who determined the transmission control did not operate correctly. The consumer stated there is a 2-3 second delay in acceleration. When the transmission does activate, it seems to search for a gear and when a gear s found it is usually a low gear which causes the vehicle to lurch into traffic. Updated 10/04/06.

See all problems of the 2004 Toyota Sienna 🔎.

2004 Toyota Sienna le. Vehicle hesitates when acceleration. There is a big delay before the car gains speed. This is a on going problem. Dealer states that the car was made that way and there is nothing that they can do to correct the problem. This hesitation can cause an accident at any time.

Check engine light illuminated, dealer stated there was foreign material in the valve body, the transmission valve body assembly was replaced, at 11109 miles the same problem occurred, consumer states he was informed there was a problem with the brain of the transmission.

See all problems of the 2001 Toyota Sienna 🔎.

Location-parking lot, raining, tires lost traction and accelerator stuck on full, brakes would not function. The vehicle propelled forward glancing off the back of a full sized pickup and deflected into a suburban where it finally stopped. No one was hurt but this situation could have been very serious if anyone had been near because I had very little control(steering only).

See all problems of the 2000 Toyota Sienna 🔎.

Consumer states that the traction control indicator illuminated, dealer replaced the vehicle with a new one.