× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: GM Programming Error Code E4491
Posted to Technical Discussion Forum on 11/14/2015

"How will that help ?"

Hi Rudy, similar to disconnecting battery and touching cables together to discharge residual voltage in modules, I know it sounds odd but Ive seen it mentioned on a GM tech forum that it has helped. Login to read more.