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HOMESERVICE MANUALSCHRYSLER2013TOWN & COUNTRY S, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 27 (ELECTRONIC CONTROL MODULES (SERVICE INFORMATION))MODULE, TRANSMISSION CONTROLSTANDARD PROCEDUREDRIVE LEARN - 5.7L VEHICLESLEARN A SMOOTH 1ST NEUTRAL TO DRIVE SHIFT
2013 Chrysler Town & Country S, Gas

Learn A Smooth 1ST Neutral To Drive Shift

2013 Chrysler Town & Country S, GasSECTION Learn A Smooth 1ST Neutral To Drive Shift
WARNING: This page is about a different car, the 2012 Jeep Grand Cherokee. 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 27-43° C (80-110° F).

  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 until the recorded 1st N-D UD CVI value stabilizes. Refer to  1 and  2.
NOTE:

It is important that this procedure be performed when the transmission temperature is between 27-43° C (80-110° F). If this procedure takes too long to complete fully for the allowed transmission oil temperature, the vehicle may be returned to the customer with an explanation that the shift will improve daily during normal vehicle usage. The TCM also learns at higher oil temperatures, but these values (line pressure correction values) are not available for viewing on the scan tool.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.