If you change the top module (and I never do, they do not go bad very often) you MUST re-sync the top.
To do this, start the engine and put the top UP and DOWN COMPLETELY, three times. The module will usually "get it" and you will have sync.
You MUST use the hex key tool and power top tool and COMPLETE THE CYCLE every time, or the sync may not work.
I go into painful detail here:


Thread moved to Roadster Forum - where you can find most of our tech threads on top issues.