How can I keep my scholarship when I am in danger of failing to meet GPA requirements?
First: Go talk to someone about this. Your advisor would be a good start. They will know the policies of your university better than us.

Second: You may be able to replace those grades by repeating the courses (you obviously need to anyway), in which case your GPA could potentially be 4.0 by the end of your next semester. This is how it worked at my undergrad but you'll have to check the policy at your university.