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Odd ringing or long beep noises from under hood

DK4

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Got back from a 2 hour road trip and parked outside to unload. Was unloading and just messing around and kept hearing what sounded like someone’s smoke detector in their house ringing from a block away.

Later I realized it was coming from my truck. It had to have been doing this for at least an hour before I took the video.

I always hear some clicking type noises when my truck is just sitting, but this is a first.

Everything was fine otherwise. I jumped in and fired it up and moved it in the garage and it pretty much stopped.

Anybody ever hear anything like this? Hopefully the video works.

Little dusty under the hood. 2022 502A 3.5EB, 16k miles.

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fordtruckman2003

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Hard to tell what is going on there.
A failed capacitor on a circuit board has a high squeal sound but doubt it is anything like that.

Keep monitoring it and let us know what you find out.
 
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