Excessively High or Low D1 to 2 Shift

1. Damaged or disconnected solenoid wiring.
2. Incorrectly routed vacuum lines.
3. Incorrectly adjusted, damaged or disconnected kickdown switch and wiring.
4. Abnormal hydraulic pressure.
5. Defective downshift solenoid.
6. Defective or incorrectly adjusted vacuum diaphragm and/or rod.
7. Defective control rod.
8. Defective governor valve.