✅ Solution:
Check solenoids 11MY21 & 11MY22.
Verify relay, limit switch, and wire continuity.
Test M2 valve spool (4Mo) shift with 30 bar pilot pressure.
Eliminate air locking in the pressure port.
Overhaul jammed lamina brake or hydraulic motor if faulty.
Check gearbox for damage; replace if needed.
Confirm pilot pressure is present.