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Home >> Chevrolet >> 2016 >> Suburban 3500 HD LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Programming And Setup - All Systems) >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup (8L45/90) >> Replace and Program Control Module
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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 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. 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 the K20 Engine Control Module and K71 Transmission Control Module Sequential Programming and follow the on-screen instructions.
  5. Perform the Refresh Characterization Data at the MCVM Characterization procedure, follow the on-screen instructions.
  6. Perform the Transmission Service Fast Learn Procedure .
  7. With a scan tool, clear DTCs from the K71 Transmission Control Module.
  8. Ignition OFF for 2 minutes.
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