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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2500 (Programming And Setup - All Systems) >> Repair Instructions >> Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L80, 6L90) >> TCM Reprogramming
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TCM Reprogramming

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. If the TCM needs to be reprogrammed, refer to Service Programming System (SPS) .
  2. Perform the Reset Transmission Adapts - Refer to Reset Transmission Adapts .
    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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