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Replace and Program Control Module

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 GMC Sierra 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 1500, 2016 Chevrolet Silverado 3500 HD, and 2016 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement K71 Transmission Control Module (TCM), perform the following procedure:

  1. Replace the K71 Transmission Control Module..
  2. Install EL-49642   SPS programming support tool
  3. Access the Service Programming System (SPS) and follow the on-screen instructions.
  4. Perform one of the following SPS Programming functions:
    5. NOTE:

    If both controller options below are listed, select K71 Transmission Control Module

    • K20/ K71 Engine and Transmission Control Modules and follow the on-screen instructions
    • K71 Transmission Control Module and follow on-screen instructions.
  6. Perform the Refresh Characterization Data at the MCVM Characterization procedure, follow the on-screen instructions.
  7. Perform the Vehicle Setup, follow the on screen instructions.
  8. With a scan tool, clear DTCs from the K71 Transmission Control Module.
  9. Ignition OFF for 2 minutes.
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