Kevin B Colorado Springs , CO April 10, 2015 Appliance: Whirlpool Refrigerator ET1CHEXVT01 Whirlpool Refrigerator Et1chexvt01: Ice maker control module was bad. How to replace Refrigerator Ice Maker Control Module. It was simple to replace it after the new one arrived in the mail. Popped the old one off and "plugged" the new one in. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes