WHEN THE AUTOMATIC SHIFT LEVER IS PLACED IN THE PARK POSITION, THE PARKING PAWL DOES NOT ALWAYS ENGAGE THE PARK GEAR.THIS CAN LEAD TO THE VEHICLE JUMPING OUT OF GEAR UNINTENTIONALLY AND CAUSE THE VEHICLE TO START ROLLING INADVERTENTLY
Components named
POWER TRAIN:AUTOMATIC TRANSMISSION
Source: NHTSA ODI investigations file, action RQ97015. Text as published by NHTSA.