Ok. Maybe Pulse 2 have 100 programs per bank. Ot does send midi messages when you stop / double stop. Try again like this, without CC32=127 last step.
Pattern 1 / Part 1 / Bank Off / Prog Change 1
- 1 trig on first step with CC32=0, -5/384 microtiming
Pattern 2 / Part 2 / Bank Off / Prog Change 2
- 1 trig on first step with CC32=1, -5/384 microtiming
Edit : I thought Ot Prog Change min value was 1, but it is 0.