Jack K Folsom , CA January 15, 2018 Appliance: Bosch Electric Wall Oven HBL5620UC/06 Bosch Wall Oven Hbl5620uc/06: Top wall oven would overheat. How to replace Control Board. Replaced the control module # AP5646146. Drew a layout of the connections before. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes