Kenmore washing machine

Hi, My Kenmore Elite, Heavy Duty, King size capacity, Quiet Pak II, Top loading washing machine will not automatically move on to the next cycle. I can manually move it into position and it will function just fine in whatever cycle I put it in. It will just not move itself into the next cycle to complete the wash cycle. The water level, agitation, and spin cycle all operate perfectly. I just have to stand by it and manually move it from one cycle to the next. Any help / advice would be greatly appreciated!