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Auto stop start decided to start working?

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Old Sep 2, 2022 | 09:02 AM
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Auto stop start decided to start working?

I've had my 2018 F-150 for a year and a half and in that time the auto stop start function has never once activated. When I first got the truck I was kind of concerned about it because I don't particularly care for that feature. But after a while I realized there was never coming on. I stopped pushing the button or worrying about it. Then 2 days ago. As I'm trying to cross a busy intersection it decides to come on and turn the truck off and put me into a light panic as I thought the truck had just stalled out in the middle of an intersection lol
Trying to think of what could have changed with the truck that it suddenly coming on. Every time I come to a stop? Truck is fully stock. Thoughts?
 
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Old Sep 2, 2022 | 10:05 AM
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Did you get a new battery?
 
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Old Sep 2, 2022 | 10:14 AM
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Not recently. In June or July of last year
 
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Old Sep 2, 2022 | 10:34 AM
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I suspect, had you looked at the dash menu during the non working times, that the battery was simply not charged enough to make the computer happy. Do you make a lot of short trips? Did you, about the time it "started" working, make a longer trip?
 
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Old Sep 3, 2022 | 04:14 AM
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Do you keep it on Max AC usually? It won’t engage on MAX AC
 
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Old Sep 3, 2022 | 12:15 PM
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There is a list of exceptions that will prevent Auto S/S from activating. If you poke around on the forum, it's been posted here somewhere.
 
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Old Sep 3, 2022 | 03:48 PM
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Mine worked for about a year and a half, since it was new. Then it started only working after an extended trip. My assumption is the battery is no longer holding enough charge to keep the system happy.
 
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Old Sep 4, 2022 | 08:52 AM
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The weekend before it started to function again, I did quite a bit of driving. Probably 800 miles over a weekend, so that must be it. The battery is finally fully charged lol because most of my trips are generally shorter
 
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Old Sep 9, 2022 | 07:37 PM
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Originally Posted by NewEnglandHerdsman
Mine worked for about a year and a half, since it was new. Then it started only working after an extended trip. My assumption is the battery is no longer holding enough charge to keep the system happy.
X2 on that. I suggest you start looking for a battery. One slow start, swap it out.

 
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