LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2321 (Programming And Setup - All Systems) >> Repair Instructions >> Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (2ML70) >> Replace and Program ECU or Reprogram ECU
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Replace and Program ECU or Reprogram ECU

WARNING: This page is about a different car, the 2012 GMC Sierra, 2012 GMC Cab & Chassis Sierra, 2012 Chevrolet Silverado, and 2012 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement or an existing ECU, 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. On the SPS Supported Controllers screen, select TCM - Programming and follow the on-screen instructions.
  4. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
  5. Perform the Reset Transmission Adapts following all transmission related repairs.
scientia non olet · About LEMON Manuals