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 >> Engine Control Module Programming and Setup (LGH or LML) >> ECM Reprogramming
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM Reprogramming

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.
NOTE:

Clear any DTCs that may have set after completing the programming procedure.

Enable ECM Reprogramming-Refer to Service Programming System (SPS) .

scientia non olet · About LEMON Manuals