The Selector Lever is in a Position 3.

Adjust the Selector Lever Position Switch/Shift Linkage.

The Selector Lever Position Switch/Shift Linkage is an incorrectly adjusted.

Refer to DTC P0705 Trans Range Switch Circuit .

The Solenoid Valve for the 1-2/3-4 Shift or the On-Off Valve in the Valve Body Assembly is defective.

1. Search for the defective part.
2. Replace the defective part.

Loss of the hydraulic fluid in Clutch C4 or in the fluid circuit

1. Search for the leaking part.
2. Replace the leaking part.