Glow Plug Control Module Programming and Setup: Notes
WARNING: This page is about a different car, the 2015 GMC Savana 3500, 2015 GMC Savana 2500, 2015 Chevrolet Express 3500, and 2015 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The glow plug control module (GPCM) does not allow programming if its temperature is above 60°C (140°F).
The following service procedure requires either a programming or a setup event performed for a complete repair.