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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Powertrain Diagnostic Procedures) >> System Description And Functional Operation >> Function Operation >> Transmission Control >> RFE Drive Learn Procedure >> Procedure To Learn A Smooth 2--3 And 3--4 Upshift:

Procedure To Learn A Smooth 2--3 And 3--4 Upshift:

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

Use the following steps to have the PCM learn the OD and 4C CVTs.

NOTE: The transmission oil temperature must be above 110°F (43°C).
  1. Accelerate the vehicle from a stop at a steady 15 degree throttle opening and perform multiple 1--2, 2--3, and 3--4 upshifts. The 2nd 2--3 shift following a restart or shift to reverse will be shown during the shift as a value between the 1st 2-3 OD CVI and the normal OD CVI. Updates to the normal OD CVI will occur after the 2nd shift into 3rd gear, following a restart or shift to reverse.
  2. Repeat step  1 until the 2--3 and 3--4 shifts become smooth and the OD and 4C CVI become stable.
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