TSB: Some 2023 model year Highlander vehicles may exhibit one or both of the following conditions:
?Hesitation when accelerating from a stop.
?Non-linear acceleration from a stop or rolling stop with steady throttle.
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions.
Follow the Repair Procedure in this bulletin to address these conditions.
