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Back up Warning Alarm

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Old Jun 24, 2014 | 05:34 PM
  #1  
Truckpilot1329's Avatar
Truckpilot1329
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Back up Warning Alarm

My 2012 F-150 has the back up camera, and the warning system
that beeps with increasing frequency when you're backing into something.

It's worked flawlessly, however the last few times I've started and
put it in reverse, it starts beeping constantly although there is absolutely
nothing back there.

Having been on this forum for probably 3 years, I don't recall this system
ever being discussed.

So, where is the sensor located? I looked all around the obvious places, like under the rear bumper, and don't see anything. Is it part of the camera
system?

Secondly, what could make it beep when there is nothing there? Yes, the
tailgate is up, and there is nothing in the hitch that might
trick it. I'm thinking
dirt on a senor. Anyone have any knowledge of this system?
Thanks in advance.
 
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Old Jun 24, 2014 | 06:04 PM
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The sensors are round spots on the bumper. The can get dirty and go off as you described.
 
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Old Jun 24, 2014 | 06:46 PM
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I just went out, and although the truck and spots looked clean, I wiped them
off with water, put it in reverse, and not a single beep.
Having had this truck thru 2 Utah winters when the truck got REALLY dirty, and
never did it, I
don't see why it would do it now. Maybe some sort of film I couldn't see.

Anyway thanks Mr. Mslayer. I owe ya a beer when we have the F-150 forum
reunion and party. Isn't Tim hosting it this year in Virginia?
 
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Old Jun 25, 2014 | 06:08 AM
  #4  
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Originally Posted by Truckpilot1329
I just went out, and although the truck and spots looked clean, I wiped them
off with water, put it in reverse, and not a single beep.
Having had this truck thru 2 Utah winters when the truck got REALLY dirty, and
never did it, I
don't see why it would do it now. Maybe some sort of film I couldn't see.

Anyway thanks Mr. Mslayer. I owe ya a beer when we have the F-150 forum
reunion and party. Isn't Tim hosting it this year in Virginia?
I'd be happy to!! You guys bring the beer and steaks and I'll cater it for ya!
 
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Old Jun 25, 2014 | 12:04 PM
  #5  
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I have that system on my 2013 and it works well but it will sound the alarm while I am backing out of the garage. There isn't anything in the way but I think being close to the wall makes the alarm go off.
 
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Old Jun 25, 2014 | 08:17 PM
  #6  
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The alarms on my truck work well enough. The problem I have with it is it defaults to on anytime the truck is put into reverse. Makes backing a trailer annoying and having to keep turning it off is silly.
 
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Old Jun 26, 2014 | 07:29 AM
  #7  
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bigdaddyII, I'm fairly certain you can shut that backup beeps off in the system stettings of your dash cluster.
 
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Old Jun 26, 2014 | 09:42 PM
  #8  
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Your welcome TruckPilot. I happens to me occasionally too. It seems to be "greasy" film that affects it most, not just run of the mill dirt.
 
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