I have a 13 F-450 reg cab 6.7 with 34k miles. It has one confirmed cab leak in the rear passenger side of the cab. I’m thinking there might be another that is causing the bcm to act up. If it rains it won’t start. It says starting system fault. I’m not sure what else to try. The batteries checked out fine. Replaced the battery in the key fob. Any help is much appreciated.