TSB: SOME 2013 – 2014 MODEL YEAR LS 460 (2WD) VEHICLES MAY EXHIBIT A NON-LINEAR ACCELERATION OR HESITATION FEELING DUE TO INAPPROPRIATE SPARK KNOCK OR DETONATION DETECTION AND MAY SET DIAGNOSTIC TROUBLE CODE (DTC) P2119 (THROTTLE ACTUATOR CONTROL THROTTLE BODY RANGE PERFORMANCE). TO ENHANCE THE SMOOTHNESS OF ACCELERATION, THE ENGINE CONTROL MODULE/ECM (SAE TERM: POWERTRAIN CONTROL MODULE/PCM) CALIBRATION HAS BEEN REVISED. USE THE FOLLOWING REPAIR PROCEDURE TO ADDRESS THIS CONDITION.
