Robert W Sun City West , AZ January 16, 2016 Appliance: Model BOSCH SHE58C05UC/48 Machine would not fill with water error code c4 p0 Replaced main controller board located on the lower right hand side if the machine in the rear. Machine needed to be uninstalled add removed from the cabinets to access the part. Once the machine is out in the open the part is easy to replace, just disconnect the cables and plug them into the new board 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours