Mushy, Early, Soft, and/or Slipping 1-2 Upshift

MUSHY, EARLY, SOFT, AND/OR SLIPPING 1-2 UPSHIFT
1. Improper fluid level.
2. Incorrect engine performance.
3. Incorrectly adjusted, sticking, or damaged throttle linkage.
4. Low main control pressure.
5. Valve body bolts improperly torqued.
6. Valve body dirty or valves sticking.
7. Worn or burned intermediate friction clutch.
8. Sticking governor valve.
9. Damaged intermediate servo.