Toyota Sienna 2017 — technical service bulletin
Bulletin T-SB-0187-17 · NHTSA communication 10131784 · issued Feb 20, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
TSB: Some 2017 model year Sienna vehicles may exhibit the following conditions: * Lack of power from stop * High RPM shift points at 2 ? 3 shift * Hesitation in lower gears * Holds gear too long. The Engine Control Module (ECM) logic has been modified.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.