No Upshift

1. Low fluid level.
2. Incorrect throttle linkage adjustment.
3. Kickdown band out of adjustment.
4. Hydraulic pressures too high or low.
5. Governor sticking or leaking.
6. Valve body malfunction or leakage.
7. Accumulator sticking, broken rings or spring.
8. Clutches or servos sticking or not operating.
9. Faulty oil pump.
10. Kickdown servo, band or linkage malfunction.
11. Worn or faulty front clutch.
12. Worn or broken input shaft and/or reaction shaft support seal rings.
13. Incorrect gearshift linkage adjustment.
14. Governor support seal rings broken or worn.