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Transmission Control Module (TCM) Reprogramming

    NOTE:

    Use a scan tool to view and record the Transmission Control Module - End Model Part Number in the original TCM prior to starting the TCM reprogramming procedure.

  1. If the TCM needs to be reprogrammed, refer to Service Programming System (SPS) .
  2. Perform the Transmission Adaptive Pressure Reset. Refer to Transmission Adaptive Pressure Reset .
    NOTE:

    After programming, perform the following to avoid future misdiagnosis:

  1. Turn the ignition OFF for 30 seconds.
  2. Turn the ignition ON with the engine OFF.
  3. Use the scan tool in order to retrieve history DTCs from all modules.
  4. Clear all history DTCs.
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