Learn A Smooth 4-3 COASTDOWN And Part Throttle 4-3 KICKDOWN

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The transmission oil temperature must be above 43° C (110° F).

Use the following steps to have the TCM learn the UD shift volume.

At a vehicle speed between 64-97 km/h (40-60 mph), perform repeated 4-3 kickdown shifts.
Repeat until the UD volume becomes somewhat stable and the shift becomes smooth. Refer to 1.