NHTSA Complaint #11403957 — 2020 TOYOTA COROLLA

VEHICLE IS JERKING AND SHUTTERING WHILE IN MOTION BETWEEN 4-20MPH COLD OR HOT AND A/C ON OR OFF. THIS OCCURS BEFORE BRAKING AND SEEMS TO JERK FORWARD. TENDS TO OCCUR MORE OFTEN IN PARKING LOTS. THIS ISSUE IS ACCOMPANIED BY AGGRESSIVE ENGINE SHAKING AND ALL PASSENGERS CAN FEEL THE ROUGH IDLE. THIS ISSUE IS PROGRESSIVE GETTING WORSE WITH TIME OVER THE LAST FEW MONTHS. TOOK VEHICLE TO DEALER, SPARK PLUGS WAS THE ASSUMED ISSUE FROM TECHNICIAN. FIRST DIAGNOSIS WAS SPARK KNOCK. REPLACED SPARK PLUGS, DID NOT FIX THE PROBLEM. SECOND DIAGNOSIS WAS "OFF CENTER STEERING WHEEL CAUSING STABILITY CONTROL TO OVERRIDE DRIVER THROTTLE INPUTS AND LEAD TO JERKY OPERATION" CASE IS ONGOING AND A RESOLUTION HASN'T BEEN PROVIDED OR SOLVED. TOYOTA CORP. IS OPENING AN INVESTIGATION/CASE.