Climate control acting funny
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5th Wheeling
Joined: Sep 2015
Posts: 39
Likes: 11
Climate control acting funny
2016 f250 6.7l psd. When ac is set to auto the fan speed seems to almost always just be low. I can hit the manual fan speed or push the max ac button and the fans work as expected. Anyone have any leads to put me on or ideas what might cause the auto mode climate control to give me low fan speed only?
More Turbo
Joined: Dec 2015
Posts: 500
Likes: 38
From: Pacific Northwest
Following, have a 2022 F-250 with 18K on it does the same thing.
Dealership replaced the blower motor to only have it do the same exact thing.
Checked cabin filter and replaced with brand new same effect.
Blew out my condensation drain under the hood same thing.
Unplugged my under dash servo switch that directs the air to below or middle or defrost so it couldn't move, same thing.
Works great for like 10-25 mins then it seems to fall off a cliff and literally be on low or a dribble.
Dealership replaced the blower motor to only have it do the same exact thing.
Checked cabin filter and replaced with brand new same effect.
Blew out my condensation drain under the hood same thing.
Unplugged my under dash servo switch that directs the air to below or middle or defrost so it couldn't move, same thing.
Works great for like 10-25 mins then it seems to fall off a cliff and literally be on low or a dribble.
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5th Wheeling
Joined: Sep 2015
Posts: 39
Likes: 11
So after some searching on google and finally some 6.7l facebook groups I also am member of I found a report of similar issue.
Apparently when you remote start the vehicle the "auto" setting on the AC is just goofy afterwards. They reported that power cycling the A/C after putting the key in and turning to run would fix the issue. I have pretty much only been remote starting my truck since I love this feature.
Anyway, I remote started my truck ran out and put the key in... low air flow nothing much happening from auto as usual, then I power cycled the A/C and the auto started pushing a lot of air and acting as I would expect... IE as i turned the temp higher, the fans decreased etc.. I didn't go for a drive but I will report back again after I have tried this process a few more times but I think that was the fix for my issue... a power cycle after inserting the key after remote start...
I have zero idea why this would happen and the folks who reported this on facebook didn't either; apparently it's just a bug in the system.
Apparently when you remote start the vehicle the "auto" setting on the AC is just goofy afterwards. They reported that power cycling the A/C after putting the key in and turning to run would fix the issue. I have pretty much only been remote starting my truck since I love this feature.
Anyway, I remote started my truck ran out and put the key in... low air flow nothing much happening from auto as usual, then I power cycled the A/C and the auto started pushing a lot of air and acting as I would expect... IE as i turned the temp higher, the fans decreased etc.. I didn't go for a drive but I will report back again after I have tried this process a few more times but I think that was the fix for my issue... a power cycle after inserting the key after remote start...
I have zero idea why this would happen and the folks who reported this on facebook didn't either; apparently it's just a bug in the system.
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mikren
2009 - 2014 F150
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Mar 19, 2021 04:15 PM
