reverse sensor/module issues - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 04-11-2013, 09:44 AM Thread Starter
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Unhappy reverse sensor/module issues

2012 F-350 Lariat 6.7 SRW 2wd
I'm at about 11,8XX and now have developed a problem with the reverse sensing system. Intermittently when I put it in reverse it will start beeping like something is near but nothing is in back of the truck. It's never a steady beep but repeated beeps as if I'm approaching something. This may happen several times in succession when ever you put it in reverse or only one time in a whole day. I took it to the dealer and had my favorite Ford tech look it over and after running tests and finding that every thing was working as it should (clean and working sensors and alarm set at 6') he could not duplicate the random beeping issue. Even a call to the Ford tech hotline could not come up with an answer. It continued to be an on going issue that would never occur in the dealer's service center line ever though it was beeping at the empty big box store lot across the street from the dealer or any other place like my driveway. Finally, after several attempts while stopping at the dealer and being unable to make it show the problem, it started it's beep issue as I was backing to leave. I left it in reverse and put the parking brake on as hard as possible (engine still running) and the tech came out and verified the issue. They ordered a new module (PAM) and replaced the old one and every thing was fine for two days. But yesterday it was back to the same issue as before. I stopped at the dealer minutes later and it would not duplicate the beeping. Somehow there's more to this problem than just the sensors and module. I'm trying to figure out another angle to this but need your help! Is it a ground problem, electrical short, transmission selector switch, etc.? Has anybody had this issue? Any and all ideas will be greatly appreciated.
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post #2 of 11 Old 04-11-2013, 11:21 AM
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What about a trailer hitch? I have a large load leveling hitch on mine and it will trigger the sensors intermittently.
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post #3 of 11 Old 04-11-2013, 11:31 AM
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Some sensors will pick up the tailgate if it's down too.

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Originally Posted by ChiefRocka View Post
Great truck, but ugly and I felt like I was driving a penis down the road .....
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post #4 of 11 Old 04-11-2013, 03:55 PM Thread Starter
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Unhappy

Thanks guys, but no trailer hitch is on and the factory tailgate is up. Keep thinking. The dealer has been great and will try anything I find out and my Ford tech is the best I've ever known and has become a good friend over the past 8 years. At almost 67 I've been working on Fords since I was 13 and this is a real mystery to me, the service manager and tech.
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post #5 of 11 Old 04-11-2013, 04:30 PM
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Well your not alone. Mine does the same thing, but I haven't taken it to Ford. Interested to hear what it turns out to be. Gravel seems to set mine off every time but it will intermittently go off on asphalt and other hard surfaces.
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post #6 of 11 Old 04-11-2013, 04:40 PM
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sometimes when my sensors are wet or very dusty they will beep no stop. also if u are on un even ground and i mean not much of a incline or decline they will beep

]2011 f250 king ranch cc/sb fx4 black and tan allot of inferior parts fell off so i put better ones on . 5inch exhaust axle dump s7b intake . blistien 5100s all the around . 20x12s on 305,55,20s .leveling kit with bags in the rear .5% tint all the way around
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post #7 of 11 Old 04-13-2013, 12:09 PM Thread Starter
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Question

Thanks all, but the backup alarm goes off on flat surfaces if you're moving or standing still with intermitient beeping or steady beeping. Sensors are clean and dry and weather can be cold or hot and not raining.
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post #8 of 11 Old 04-14-2013, 07:00 AM
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My truck was doing the same thing in Chicago when it was -10 degrees. When I left Chicago for a warmer place it stopped. I thought some water got into sensor and froze. Has not done it since then.
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post #9 of 11 Old 04-21-2013, 09:10 AM
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Do the sensors need to be installed in a certain orentiation? up/down left/right?

2012 F-250 6.7L 4x4 Lariat CCSB, Titan 51gal, BDS 4" kit with Fox Shox, Toyo AT II 35/12.50R20, Ranch Hands front and rear

2007 F-150 King Ranch 4x4 2" Autospring, Bilstein 5100s on all four corners. Nitto A/T 285s.

2005 Chevy Tahoe 5.3l 2WD
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post #10 of 11 Old 04-25-2013, 07:46 PM
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Anyone??????????

2012 F-250 6.7L 4x4 Lariat CCSB, Titan 51gal, BDS 4" kit with Fox Shox, Toyo AT II 35/12.50R20, Ranch Hands front and rear

2007 F-150 King Ranch 4x4 2" Autospring, Bilstein 5100s on all four corners. Nitto A/T 285s.

2005 Chevy Tahoe 5.3l 2WD
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