Ford Super Duty (1999-2016) :: Wiring Fault On Trailer Error Message With A Beep
Mar 28, 2007
Every time I touch the brakes I now get a very annoying beep and an error message that says "wiring fault on trailer." I don't have a trailer hooked up so not for sure what's going on. The error message on the console I can live with but that loud beeping is driving me crazy.
If you hit the brake and keep the pedal depressed, then you only get the initial beep and then it goes away. The problem for me is I live north of Dallas so if I'm in traffic then I'm constantly hitting the brakes. I called my dealer today so I'll wait to hear what they have to say.
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I've got an intermittent Trailer Wiring Error message that started appearing with a trailer connected on my '11 F250.
Brakes and lights work OK on the trailer, I thought I had read on the board here that there was a TSB for this, but I cannot find it.
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Driving the truck today I noticed mssg from info on dash " problem with trailer wiring". I wasn't hauling anything. the message went away on my next stop when a truck was turned off. On my next stop, I was pulling into a parking space truck stalled and I saw another message saying something like " please pull over safely and stop a truck." Luckily I was already parked. the truck would not start or even turn over. after about an hour truck started but brake symbol was on the dash.
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I have a 2008 F450. What may be going on with my truck. In the past the truck would blow the fuse for the door locks. Currently the display is showing wiring fault with no trailer attached, the horn is not working and the cruise control has stopped working. I've covered the basics and checked all relays and fuses and haven't found a faulty one yet. I'm thinking bad ground or possibly bad GEM module???? I've read and read topics and am more confused as to what it could be now than when I started.
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Im getting this almost every time I start it up. It happened once about a month ago, then more often. Now almost every time.
Truck has 1700 mi
I hate to have to bring it to Ford so soon
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2010 F250 Lariat, cab and a half, PSD. 5600 miles.
Sunday I started the pickup and received "trailer brake module fault" in the message center. I wasn't pulling so wasn't too concerned - hit the reset and continued on.
Sunday night I started the pickup again and received the same message followed by "check brake system". I also lost illuminated gear selection, the traction control active symbol was displayed and the traction control "off" (PB) was illuminated. After several attempts it reset, everything returned to normal and I was able to get home without incident.
Monday morning it wouldn't start. It indicated "trailer brake module fault", "check brake system", traction control active and off, no gear indication, the odometer indicated "-------" and it did not react to the key in the start position.
Tuesday morning I attempted to start and it was the same as the previous attempt. I noticed that the theft prevention appeared active (flashing) so I removed the key, locked the doors, unlocked the doors, tried again - no joy.
I kept trying while holding my mouth in different positions and finally by the grace of God it fired. I delivered it to the dealer.
The dealer called yesterday afternoon and reported that everything is a result of a bad trailer brake module. The new one is to arrive today, they will install and everything will be peachy.
I asked if they could just unplug it and reprogram the truck to believe it never had one - the service writer said it can't be done, different piece parts on trucks with or without trailer brakes.
I really have no choice but to push the "I believe" button and carry on but I am slightly concerned. The fact that the trailer brake module can cause catastrophic failure doesn't seem too cool, I don't have a real warm and fuzzy feeling associated with venturing far from pavement, reliable communication or alternative transportation.
In the meantime I suggest that no one take "trailer brake module failure" lightly.
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I have (2) 2014 f250's both have given the trailer disconnected message randomly from the day they were new. Dealer says everything is with in specification. I just live with it now but something must be wrong with the design. Only does it when no trailer is connected an might be worse when it rains. Might have to hit the ok button every 10 minutes so on bad days.
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We are in Montreal and are getting a "TBC Fault" message from the tow command brake controller. The owners manual is a little fuzzy about it...says may experience degradation of braking. The message displays each time I start the truck and clears if I hit the reset. I get a good connection if I hook up, and can hear the brakes activate on trailer...just have not tried to tow.
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I recently purchased a 2011 F550 Super Duty with a flatbed mounted on it. Turns out, the trailer wiring harness is totally screwed up and I am getting tons of shorts whenever it rains. Going through it front to back, we are finding multiple problems like missing fuse box covers, damaged fuses for starters. The Ford dealership in Texas that did my prepurchase inspection for me totally missed all of this, so i am stuck holding the short end.
IN the rear of the truck we detected shorts in several areas. One of them is in this adapter pictured along with this. Is this a Ford part, or does it appear aftermarket? Is it just an adapter or is it more than that? I am just now getting to l know this truck more specifically. given the date of manufacture on the label it would seem to be from Ford??? Part # is 99-004 and 71-012-A...
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My 08, when I connect my 7-pin trailer up, bouncing down the road that message and tone CONSTANTLY going off....drives me nuts! I have went thru the wire harness 2x now, cleaned all the contacts, etc. Any other thing short of a 12 gauge? When it does pop on, the controller starts flashing...I've reached down a few times and manually hit the brakes and it still hits em so whatever it is, I feel its very minor or whatever....just don't know where to go now! All contacts have been cleaned good as well.
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So on my way to work this morning taking off from a light on a smooth blacktop my message center lit up with "tire pressure sensor fault". is there any way to tell which sensor it is without a scan tool?
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Got a 'Tire Pressure Sensor Fault' message a few times on the way back from Florida. Tire pressures were all fine. Hate that it doesn't say which monitor has the problem. Anyway... it comes on, but after a few minutes goes back off. Saw it a total of three times over the course of 1,000 miles in two days. Is this the sensor failing and requiring replacement? Or is the system itself starting to fail? Would ESP cover this?
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I've been getting this "system fault workshop!" error message popping up like crazy. Its got a picture of a key, and makes the audible beep when it appears. on a short drive to work, maybe 10 minutes, it will randomly come on and beep anywhere from 3-10 times during my drive. The car starts and drives perfectly fine. This has been happening for a little over a week now. I noticed one post about this before, but that owner seemed to have different symptoms as their car wouldn't start. I really would hate to bring it into the dealership, as I've just paid them a small fortune fixing different things to finally get down to the bottom of it to find out i needed new fuel pump modules.
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I started up the truck. It cranked perfectly as always. Was half way out of the parking lot going give mph and a warning beeping started with a message "stop vehicle safely". I did and the engine died. When I try to crank it it will not turn over at all. No power to engine at all.
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I have a ford f350 2014 that had some water damage, the clockspring suffered water damage so I replaced it along with the steering column module.
The clockspring was brand new from ford, already centered, I pulled out the plastic tab during install.
Cluster has SERVICE ADVANCETRAC error and IDS is shows fault with the steering angle sensor. (see picture)
Do these new sensors have to be reset and calibrated to work, or does this FAULT message on IDS indicate a wiring problem?
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How does the truck know that there is a trailer connected?
With my cab-over camper and no trailer as soon as I go to reverse the back up alarm goes off. I thought I would wire in a marker light to the trailer brake circuit but that didn't do it, maybe not enough resistance? The truck still says no trailer.
How I can fool the system so that when I load the camper it looks like a trailer to the truck?
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Hooked up the toyhauler Friday and before we were off of our street I got the "Wiring Fault on Trailer", brakes on trailer worked, got out and verified the lights were working so we proceeded on.
When we got to the destination the manual says that if the fault stays on when disconnected it is an issue on the truck side, it is still on when the trailer is disconnected.
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Well, it seems the cover on my trailer connector got broken off. The cover locks the trailer plug into the truck side. The connector on the truck is/was supplied by Ford. Now the dealer say NLA, only 2005 and up. Truck is 99 F250 SD. Plug is 4/7 way. Where can I locate a direct plug-in replacement? I do not want to be cutting and splicing.
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I am looking at getting my new truck, my 05 F350 6.0, with factory trailer brake controller, all set up for a gooseneck. I was wondering if there was an OEM kit to add a trailer connection plug to the inside of the bed? If there is, what are the part number(s)?
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Not working at plug.
I see there is right turn/stop relay.
Does this relay ever go bad?
All other trailer lights work.
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Went to hook up my trailer today and both the trailer plugs do not work. I checked the fuses and all is well. They worked fine the other day but now they don't work at all. I confirmed this by hooking up to another trailer and nothing. Also got another truck and went to trailers and it worked.
My truck has 19000 miles so it's practically new. I have never seen this. I called dealer but they can't see it til next week and I need the trailer brakes and lights. Where could I look or what could the problem be?
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