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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Electronic Control Modules (Service Information)) >> Electronic Control Modules >> Module-Transmission Control >> Standard Procedure >> Drive Learn - 4.7L/5.7L Vehicles >> Learn A Smooth 4-3 COASTDOWN And Part Throttle 4-3 KICKDOWN

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

WARNING: This page is about a different car, the 2008 Jeep Commander. 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.

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