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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Electronic Control Modules >> Module-Transmission Control >> Standard Procedure >> Drive Learn - 4.7L/5.7L Vehicles >> Learn A Smooth Manual 2-1 PULLDOWN Shift As Well As A Neutral To Reverse Shift
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Learn A Smooth Manual 2-1 PULLDOWN Shift As Well As A Neutral To Reverse Shift

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

Use the following steps to have the TCM learn the LR volume.

  1. With the vehicle speed around 40-48 km/h (25-30 MPH) in Manual 2nd, perform manual pull downs to Low or 1st gear at closed throttle.
  2. Repeat step  1 until the LR CVI becomes stable and the manual 2-1 becomes smooth.