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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 397 (68RFE Automatic Transmission (Service Information) 2500 Hd & 3500 Hd) >> Standard Procedure >> Drive Learn - RFE Transmissions >> Learn A Smooth 1ST Neutral To Drive Shift

Learn A Smooth 1ST Neutral To Drive Shift

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Perform this procedure only if the complaint is for a delayed or harsh shift the first time the transmission is put into gear after the vehicle is allowed to set with the engine not running for at least 10 minutes. Use the following steps to have the TCM learn the 1st N-D UD CVI.

NOTE:

The transmission oil temperature must be between 80 - 110°F (27 - 43°C).

  1. Start the engine only when the engine and ignition have been off for at least ten (10) minutes.
  2. With the vehicle at a stop and the service brake applied, record the 1st N-D UD CVI while performing a Neutral to Drive shift. The 1st N-D UD CVI accounts for air entrapment in the UD clutch that may occur after the engine has been off for a period of time.
  3. Repeat step  1 and step  2 until the recorded 1st N-D UD CVI value stabilizes.
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