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Weird A/C turning on by itself

MisterWizard

Elite Explorer
Joined
July 16, 2019
Messages
78
Reaction score
20
City, State
Chicago, IL
Year, Model & Trim Level
2018 Explorer PIU
2013 Explorer Limited. About a year and half ago I had the toe link recall done and while the car was in the dealership they also did 19N05 Program, replacing the liftgate drain modules and reprogamming the HVAC unit.
Since then, I've had a weird A/C problem. It only happens during the weird fall/spring weather where outside temps fluctuate between summer-like and hey it's another arctic blast! all in the same day.
I normally keep the climate control set between 72-74 and the fan on a manual control setting. I can be driving along, with outside air temp say in the 50's and randomly the A/C will just turn itself on without any other intervention. It's certainly not warm enough either outside or inside to require A/C, and frankly I'm at a loss to see any sort of pattern to this, except that there is no pattern.
Anyone else have a similar problem since your dealer did the 19N05 program?
 






Have you tried setting climate control to 'AUTO' to see if it does the same thing? I've always used that setting in all my vehicles and never had any issues,

Peter
 






Have you tried setting climate control to 'AUTO' to see if it does the same thing? I've always used that setting in all my vehicles and never had any issues,

Peter
Actually I usually turn the "Auto" selection off, I don't always agree with what it sets the fan speed at, so I don't use it much.
I guess it's worth a try to see if the A/C stays off. Thanks for the thought
 






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