Join a Department – Change of Degree Application (CODA) | College of Engineering indicates that the minimum GPA for EFY students to apply to a major (CODA) is 2.0. However, admission to majors is competitive, and it looks like there is no current information about what GPA levels have been needed to be admitted to each major.
Looks like the CODA GPA effect of AP calculus scores is listed at https://www.engr.ncsu.edu/wp-content/uploads/2022/02/EngineeringNewStudentOrientation_Math_Spring2022.pdf . It does look like some of the assumed grades from the AP score can be replaced by higher grades in subsequent courses.