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Alright Gents, I'm new to the forum. My truck is a 2012 Silverado LTZ Z71 and it has the dual climate control and auto climate button. Heres the problem:
About two weeks ago my air quit working out of no where, it would not work at all! Okay, so I replaced the blower motor and resistor and harness, still no air. So, then I replaced the in dash climate control module. The air will work, however it works when it wants to. I can cut the truck on, cut the power on and it wont work, but I'll be d****d if the air works after I've been sweating for a good hour while driving around in this Alabama heat and try turning it on at random! Sometimes, I can take out the fuse to the module and leave it out for a few minutes and out it back in and it work for a few hours with me cutting it on and off as I enter and exit the truck. I finally said to h*** with it and took it to a shop this morning, they called and said that it was the climate control module, that I just replaced mind you, and that they are waiting for a call back from the dealer because the module is a dealer part. I just now got to thinking about something...is there a specific procedure that you're supposed to follow after replacing the climate control module?? Am I missing something??? For the record the resistor did need replacing and I went ahead and replaced the blower motor as well since the old one was starting to lose it's umph and not push air like it used to. So, again...am I missing something here? I've looked and looked, and I'm not the only one with this problem, however no one has the exact problem. I'm really at my wits end guys! I work outside, so yeah I'm pissed right now because I cant escape this dang heat.
First time trying this forum. I hope someone can help with a dead HVAC control module. I believe that it started when I used my remote start to start my truck. When the truck is running by the remote nothing works on the HVAC as per normal until you insert and turn the key...at this point everything should work. The only thing not working now no matter what I do is the HVAC control. I tried resetting everything by disconnecting the battery overnight and by using the remote again in hopes that it would allow the HVAC to power up but nothing works.
Has anyone had this issue before and how did you solve it.
FYI, I know the control module is good as I tried it out with a 2017 Sierra and it lit up.
I hope his makes sense.
Thanks in advance!
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