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Transmission and drivetrainPart report

2012 Amerivan Toyota Sienna Transmission and drivetrain Problems

Complaints
2about this part
Share
25%of 8 total for the year
Median mileage
16,795miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the transmission and drivetrain of the 2012 Amerivan Toyota Sienna, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 16,795 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Parked left car running in drive way, slight incline, got out to put a garbage bin into the garage, then returned to vehicle, reached in to turn it off and all of a sudden the vehicles door had me to the ground and I was trying to jump in and stop the vehicle from rolling into the street.”

NHTSA complaint #10546141, filed 2013-09, 17,700 miles

“Long term problem, from day of purchase (26 dec 2011). While making a right or left turn from a stop, van hesitates for 2-6 seconds and then surges forward to pick ones desired speed. Normally when the van is cold. This has had a period when it does not execute this problem, then shows up for a period. Selling dealer has checked it 3 times, van does not duplicate symptoms then. Problem has been documented at toyota headquarters.”

NHTSA complaint #10587026, filed 2014-05, 15,890 miles

Transmission and drivetrain: other model years

YearComplaintsShare of year
2012225%
201129%

Other parts of the 2012 Amerivan Toyota Sienna

Brakes
3 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsWheels
1 complaints

← All problems reported for the 2012 Amerivan Toyota Sienna

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology