This one is strange. When you first start the vehicle, the blower will only run on low speed no matter what you have the control set to. On the scan tool you can see the blower request change but the PWM command stays at 25%. After about 5-6 mins, blower s...

FIX posted 10/22/2021

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle