Meaning trap
come up
be about to happen
Usually 'be coming up': to be going to happen soon.
phrasal verbB1core

Don't mix these meanings
Same phrase, different job.
be about to happen
Usually 'be coming up': to be going to happen soon.
Hear it in context
Notice where the phrase sounds natural.
My exams are coming up, so I'm studying every evening.
I've got an important job interview coming up next week, so I've been practising my answers.
Fix the pattern
One small grammar move makes it sound right.
Not: My exam is coming soon up.
Say: My exam is coming up soon.
Keep 'coming up' together and put 'soon' after it.