× 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: Diagnosing G.M. Networks With The DLC
Posted to Technical Discussion Forum on 9/27/2019

Hi Randy. Yes, the current major systems, except for the single wired LS GMLAN are still mostly HS CAN based twisted pairs. They are just not accessible via the DLC anymore.

GM closed the "back door" on infotainment system access some years ago and since 201... Login to read more.