No 1-2 Upshifts

NO 1-2 UPSHIFTS
1. Improper fluid level.
2. Damaged or improperly adjusted linkage.
3. Low main control pressure to intermediate friction clutch.
4. Sticking, leaking, or bent diaphragm unit.
5. Sticking or dirty valve body.
6. Burned intermediate clutch, band, or servo.
7. Valve body bolts improperly torqued.