2017 Toyota Sienna Transmission & Powertrain Problems
NHTSA lists 37 Transmission & Powertrain complaints for the 2017 Toyota Sienna, 24% of its 154 total complaints for the year, with a median failure mileage of 35,000. No related recall is listed in this data, though owners describe a Toyota customer support program covering some but not all affected VINs.
- Transmission & Powertrain complaints
- 37
- 24% of 154
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 2
- Median mileage
- 35,000 mi
- Related recalls
- 0
Typical transmission symptoms owners report
- Owners describe a whining or high-pitched noise from the transmission that gets louder as speed increases and often starts around highway speeds.
- Several report the transmission eventually slips between gears, loses the ability to shift, or fails to move in drive or reverse, sometimes leaving the vehicle stranded.
- Some owners say dealers diagnosed the noise as a failing carrier bearing inside the transmission and warned of eventual complete failure.
- A few describe the vehicle rolling on an incline after being shifted into park and shut off, suggesting a possible shift-to-park issue.
- Multiple owners mention Toyota's UA80/UA80E transmission customer support program or extended warranty but say their VIN was excluded from coverage.
- One owner reported sudden loss of acceleration while driving, with the engine running but the vehicle unable to move in any gear.
When 2017 Toyota Sienna transmission complaints were filed
First complaint Jan 11, 2018, latest Sep 21, 2026.
Transmission & Powertrain recalls for the 2017 Toyota Sienna
No safety recalls on record for this model year.
Transmission & Powertrain complaints by Sienna model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are transmission problems on the 2017 Toyota Sienna?
- NHTSA lists 37 Transmission & Powertrain complaints for the 2017 Sienna, which is 24% of all 154 complaints filed for that model year.
- Is there a recall for the 2017 Toyota Sienna transmission?
- This data shows no formal recall listed for the 2017 Sienna's transmission, though several owner complaints reference a Toyota customer support program (ZJC/POL19-04) for the UA80 transmission that some VINs were excluded from.
- At what mileage do 2017 Sienna transmission problems usually appear?
- The median mileage at failure for Transmission & Powertrain complaints on the 2017 Sienna is 35,000 miles.
- What symptoms do owners report before the transmission fails?
- Owners commonly report a whining noise that grows louder with speed, followed in some cases by slipping between gears or a complete inability to shift.
- Were there any crashes linked to transmission complaints?
- NHTSA data for this problem area on the 2017 Sienna lists 1 crash and 2 injuries among the reported complaints.