TSB: Some 2017 model year Sienna vehicles may exhibit one or more the following conditions:
?Lack of power from stop.
?High RPM shift point at 2 ? 3 shifts.
?Hesitation in low gears.
?Holds gear too long.
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified. Follow the Repair Procedure in this bulletin to address these conditions.
