Rear Parking Sensor Help
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New User
Joined: Dec 2013
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Rear Parking Sensor Help
I have a 2008 F350. Recently, the rear parking alarm would go off every time it put it into reverse for a couple seconds and then turn itself off and could not be turned back on. After reading some of the forums here, I purchased a couple sensors and replaced two that looked bad. When I put it into reverse now, the rear sensor will now beep for about a half second, two to three times and then turn itself off again. All the sensors click when it is put in reverse. I was hoping someone on here may have some thoughts. Thank you all in advance.
Junior User
Joined: Jan 2012
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Pokey - I don't have an answer for you, but my '12 F250 CC started doing exactly the same thing 2 days ago. First time I thought maybe a dog or something had gotten behind the truck so I got out and looked. 2nd time I thought maybe the lens was dirty so cleaned them. 3rd time I ignored it. That's how accidents happen.
I'm hoping someone has an appropriate fix to the problem.
I'm hoping someone has an appropriate fix to the problem.
Senior User
Joined: Feb 2011
Posts: 425
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From: Epsom,NH in the summer.
If you put your parking brake on and turn the key to the on position and put it in reverse. Walk back to the sensors and put a finger near the sensor and you will feel a pulse. Thats is a quick test to see if the sensor is working.
Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
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From: Land of Taxes
Mine stays on a steady tone no beeps after I wash it or when the slush is caked up under the bumper. Once it dries its back to normal. Some day Ill get under it and check the connections I sure they are getting wet and shorting.
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