× 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: '04 Yukon dual zone problem
Posted to HVAC Forum on 5/21/2011

[...trimmed text...]

The HVAC Control Modules rarely fail. Did you SPS program the new control module? When you install the new module, the first time the key is turned on, the module will command all the actuators to pe... Login to read more.