× 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: No commo on GMLAN
Posted to Technical Discussion Forum on 7/31/2018 9 Replies

[...trimmed text...]

OK, you have a 6 spd trans so you don't have a separate TCM - the control is inside the transmission. Since the resistance did not change, you're measuring the resistor inside the ECM so that part of... Login to read more.

9 Replies Received (View Replies)