GSS23SGSBSS my ice maker stopped working on my refridgerator

It could be a few different things causing this. FIlter in the water line may be plugged, the circuit itself may have gone bad, the water lines froze, or the bar or it's circuit may be stuck of faulty. The best way to determine is to use a multi-tester and check to see if the unit is getting power, and to where and when the power is stopping.