Details
After placing an adjustable part and defining all controlling variables, the part did not update after changing the parameters.
Solution
Check that the "Design Body" of the part is also an "Assembly Body", if not RMB -> "Activate Assembly Body" and saving the file will resolve the issue.
Hardware/Software Configuration
Platform: INTEL
OS: window
OS Version: 764SP1
Product: SOLID_EDGE
Application: ASSEMBLY
Version: V109MP9
Function: ADJUSTABLE_PART
Ref: 001-8999663