WTW4800BQ0 Whirlpool Washer will fill and drain but not agitate or spin

Washer Repair
1

WTW4800BQ0 Whirlpool Washer will fill and drain but not agitate or spin
It is the agitator dogs or Shift Actuator or/and belt? or something else like a lid switch? or something else?

Thank you for your help.