This is the sealed system "bullet style", nightmare icemaker. One of the following upgrade kits are going to be needed. These kits consist of multiple parts and instruction sheets that include diagnostic routines for the icemaker operation.
Serial number 4A905XXXXX-4A008XXXXX Upgrade kit P/N 5303918495
Serial number 4A009XXXXX-4A032XXXXX Upgrade kit P/N 5303918496
Serial number 4A033XXXXX-4A102XXXXX Upgrade kit P/N 5304481294
Also check for warm air intrusion in the ice room. Remove the bin and shine a flashlight inside the ice room. Check for light at the top/right side and top/front. If light is visible, remove ice room assy and install 1/4" weatherstrip to upper lip, front and right side.