Affected Component: ELECTRICAL SYSTEM

Date Published
DEC 11, 2020
NHTSA TSB #
10185783
TSB Document
Summary
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.