2-3 Shift Feels Harsh or Soft

2-3 SHIFT FEELS HARSH OR SOFT
1. Low oil pressure.
2. Low-intermediate servo apply rod length incorrect.
3. Low-intermediate servo piston, seal, springs, or rod damaged.
4. 2-3 servo regulator valve stuck, nicked, or damaged.
5. 2-3 servo regulator valve spring damaged.
6. Back-out valve stuck, nicked, or damaged.
7. Backout valve spring damaged.
8. Electronic Pressure Control (EPC) solenoid inoperative or damaged.
9. Electronic Engine Control IV (EEC IV) microprocessor inoperative.
10. No. 9, 10, or 12 check ball missing.