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Reprogram Control Module

To program an existing K71 Transmission Control Module, perform the following procedure.

  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. Perform the K20 Engine Control Module and K71 Transmission Control Module Sequential Programming and follow the on-screen instructions.
  4. Perform the Refresh Characterization Data at the MCVM Characterization procedure, follow the on-screen instructions.
  5. Perform the Transmission Service Fast Learn Procedure .
  6. With a scan tool, clear DTCs from the K71 Transmission Control Module.
  7. Ignition OFF for 2 minutes.
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