Jul 28, 2007 · 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 ... Aug 20, 2017 · 2 Answers. TBC stands for Trailer Brake controller system. It normally pops up when there is excessive crank time or low voltage. if you have a battery jump or have AAA you can try to jump-start the car. You will need an OBD-II reader to try to read any code it might have. The no start could be ficm (fuel injection control module) related if ... 1. FICM Not Working : Replace the FICM The FICM (fuel injection control module) controls and powers the fuel injectors of the powerstroke 6.0. A problematic FICM makes it difficult to start the engine, which is the most important issue. Engine cranks for a longer period of time before starting, and occasionally it does not start or runs rough. May 5, 2009 · 3,584 satisfied customers. 2005 F-350: Original Trailer Brake Controller..15mph. 2005 F-350 6.0 PSD - Original Trailer Brake Controller does not provide braking below apprx 15mph. Will the newer 2006-2010 TBC worj with this … read more. Nov 13, 2012 · 6.0L Power Stroke Diesel - Cranks no start-tbc fault on dash display - Started truck this morning and it fired up. Came inside to get things ready walked outside truck wasn't running. Now truck just cranks. Gives tbc fault on display. It's 30 degrees here and didn't plug truck in. 6,950 satisfied customers. I get a TBC fault on my dash screen. I understand this means. I get a TBC fault on my dash screen. I understand this means trailer brake controller fault. We have changed the trailer connector, replaced … read more.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 ...SOURCE: tbc fault trailer disconnected message 05 f350 check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem.18K views 3 years ago. Is your Ford's integrated brake controller throwing a "TBC Failure" message, but everything else appears to be working fine? It could be a simple repair inside the controller!7,643 satisfied customers. 2006 f-350: Injector Driver Module fuse..with 6.0 liter diesel. Injector Driver Module fuse keeps blowing on a 2006 f-350 with 6.0 liter diesel. It also says it has a TBC Fault.GO to H2. No. If the vehicle has a brake pressure transducer but not a TBC module, INSTALL a TBC module. CLEAR the DTCs. REPEAT the self-test. - If the vehicle has a TBC module but does not have a brake pressure transducer, GO to H4 . - If the vehicle has neither a TBC module nor a brake pressure transducer, GO to H3 .The latter is Ford's recommended action, but it will cost a little more. TBC Fault on Ford F250. The effect of a faulty TBC on the Ford F250 is slightly different from that of the F350. When there is a TBC problem on your F250, it signifies that there is a bad fuse on the infrastructure of your vehicle.Carl (05/6.0L/BullyDogGT) · #4 · Oct 7, 2009. The TBC fault shouldn't be anything serious, my 05 says the same thing if I use the remote start, its just the Trailer Brake Controller, for some reason it probably isn't getting power, thats why mine does it, then when I put the key in and turn it to on it goes away..Good luck. 2008 F350 Lariat 6.4L.Jun 21, 2009 · The fuses should be inspected to verify they are installed into the terminals in the fuse box and not along side the terminals. Fuses--Symptoms. #9, 20 amp: Trailer turn signals inoperative. #10, 10 amp: Check Engine Light; Codes P1633, P0446. #11, 10 amp: Speedo bounce, ABS light, Cruise control inop; Codes U1900, U2023, P0500-P0503. 7,643 satisfied customers. 2006 f-350: Injector Driver Module fuse..with 6.0 liter diesel. Injector Driver Module fuse keeps blowing on a 2006 f-350 with 6.0 liter diesel. It also says it has a TBC Fault.If your Ford F-350’s TBC fault dash light suddenly shows up, the most common cause is a problem with the grounding of your trailer. These are the steps you need to perform to fix this TBC fault. Get an electric circuit tester or a multi-tester to test all the lights in your Ford F-350.About 10 sec after removing the key TBC fault shows on the dash as well as abs lights.. Reason I mention this is because it would seem to me that your issue is possibly a harness issue and or computer related. I drained separator and pullEd upper filter.white water came out of separator and in upper filter.Jan 11, 2011 · Ford F350 SuperDuty Pickup 4x4: what is tbc fault on 2007 f350 what is tbc fault on 2007 f350 6.0 diesel? itwill not start, when cranking it over , the fault message comes up … read more Oct 10, 2014 · SOURCE: tbc fault trailer disconnected message 05 f350. check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem. Posted on Jul 22, 2009. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...3. If replacing your brake light switch doesn't work, you probably needed a new switch soon anyway. 4. Go on to the other more expensive suggestions on how to fix a TBC Fault. Honestly don’t know what a TBC fault is, but I have always had to replace the brake light switch.About a year and a half ago my 2006 did the TBC Fault several times in one day and has never done it since. No thrown codes showed up. NOTNOW > 2001 F350 CCLB DRW SCHTICK SHHHIFTER WONTON > 2002 F350 CCLB DRW OTTOMATIC FTCOBRA > 2006 F350 CCLB DRW SCHTICK SHHHIFTERMar 14, 2011 · I then tapped on the controller and it dinged. Pulled it out, unplugged it and plugged it back in. Tapped on it and it still dinged and TBC Fault. So it's got to be the controller so I was thinking of replacing it with a aftermarket cuz i too am not paying $$$ for a FORD part. So i was just wondering that.. 2005-07 TBC Repair. OK guys, so i have had the dreaded TBC Fault every time i crank my truck for nearly a year. I feel like i have read every thread on the subject and checked everything that was mentioned to no avail! I was able to pick up an app (Car Gauge Pro) and a blue tooth connector..with these i pulled a B1342 which basically says the ...SOURCE: tbc fault trailer disconnected message 05 f350 check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem. Received 0 Likes on 0 Posts. Wanted to give and update on this issue. There are two plugs that plug into the bottom of the brake master cylinder. When i was messing around in there changing my ebp sensor i knocked the plug loose, causing my tbc fault. Secured the plug, problem solved.I have a 2006 ford f350 6.0 super duty. I had a tbc vault so I replaced the brake module and every time I start the truck the tbc fault comes up on display. I hit the reset button and it goes away and … read moreSOURCE: what is a tbc fault on a 2006 ford f350 6.0 That is your trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer. Ford F350: I have a 2007 Ford F350 6.0l with B1342 and TBC I have a 2007 Ford F350 6.0l with B1342 and TBC fault. Checked wiring at trailer plugs, plug, fuses for the trailer brakes, … Oct 21, 2016 · I have a 2006 ford f350 6.0 super duty. I had a tbc vault so I replaced the brake module and every time I start the truck the tbc fault comes up on display. I hit the reset button and it goes away and … read more 6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 vanAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...3854 Answers. SOURCE: 95 Chevy C-1500 runs rough at idle and during accelleration. Check the vacuum line to the fuel pressure regulator and check to see if the fuel pressure regulator has gone bad. Give the throttle body a good cleaning and the injectors too.3854 Answers. SOURCE: 95 Chevy C-1500 runs rough at idle and during accelleration. Check the vacuum line to the fuel pressure regulator and check to see if the fuel pressure regulator has gone bad. Give the throttle body a good cleaning and the injectors too.I have a 2006 ford f350 6.0 super duty. I had a tbc vault so I replaced the brake module and every time I start the truck the tbc fault comes up on display. I hit the reset button and it goes away and … read moreSOURCE: tbc fault trailer disconnected message 05 f350 check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem. Jun 21, 2009 · The fuses should be inspected to verify they are installed into the terminals in the fuse box and not along side the terminals. Fuses--Symptoms. #9, 20 amp: Trailer turn signals inoperative. #10, 10 amp: Check Engine Light; Codes P1633, P0446. #11, 10 amp: Speedo bounce, ABS light, Cruise control inop; Codes U1900, U2023, P0500-P0503. Jul 5, 2014 · 05 F250 6.0L won't start, TBC Fault displayed, Started with loss of power then running rough, like fuel filters clogged, changed fuel filters, temps in single digits, anit gel in fuel and water remove … My 2005 has towcommand and this fault is addressed in the owners manual..It only flashed on my dash 6 different times during the coldest of weather (-15f). I was not towing anything, just driving to work. There did not seem to be any lasting problem after the cold weather broke. Of course the truck is under warrantee but I have not had a chance ...Jun 21, 2009 · The fuses should be inspected to verify they are installed into the terminals in the fuse box and not along side the terminals. Fuses--Symptoms. #9, 20 amp: Trailer turn signals inoperative. #10, 10 amp: Check Engine Light; Codes P1633, P0446. #11, 10 amp: Speedo bounce, ABS light, Cruise control inop; Codes U1900, U2023, P0500-P0503. 18K views 3 years ago. Is your Ford's integrated brake controller throwing a "TBC Failure" message, but everything else appears to be working fine? It could be a simple repair inside the controller!TreyM726 Discussion starter · Feb 12, 2011 (Edited) I have a 2005 F350 that has 100,000 miles on it exactly. It will not start and sets the TBC ( Trailer Brake Control ) Light. Replaced the fuze because it was bad but the light still comes on. The truck will still not crank and Im beginning to think that its the injectors that are bad.DieselTech422. Technician. High School or GED. 123. 2005 FORD F-250: HARLEY..6.0 DIESEL..FAULT CODE..B1342-FOUND FAULTY. I HAVE A 2005 FORD F-250 (HARLEY EDITION) 6.0 DIESEL TRUCK. IT SHOWED A TBC FAULT CODE ON THE DISPLAY AND SO I HAD IT … read more.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... f-350: 2008 ford..the fuse for the power connections in the cab I HAVE A 2008 FORD HEAVY DUTY F-350. I CHANGED THE FUSE FOR THE POWER CONNECTIONS IN THE CAB AND NOW MY TRUCK WON''T START WAS TOLD IT WAS SECURITY SAFETY FEATURE.R. RIDETHE Discussion starter · Feb 12, 2013. So, I went out to start my truck today, and got a no crank condition. Theft light is flashing at me, and is says "CHECK BRAKE SYSTEM" "TRAILER BRAKE MODULE FAULT" I disconnected the battery, and no luck. I have the TBC disconnected, and same problem.Won't even let me shift into neutral to roll down ...Ford F350 SuperDuty Pickup 4x4: what is tbc fault on 2007 f350 what is tbc fault on 2007 f350 6.0 diesel? itwill not start, when cranking it over , the fault message comes up … read moreMay 19, 2014 · 7,643 satisfied customers. 2006 f-350: Injector Driver Module fuse..with 6.0 liter diesel. Injector Driver Module fuse keeps blowing on a 2006 f-350 with 6.0 liter diesel. It also says it has a TBC Fault. 6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 vanFord F350: I have a 2007 Ford F350 6.0l with B1342 and TBC I have a 2007 Ford F350 6.0l with B1342 and TBC fault. Checked wiring at trailer plugs, plug, fuses for the trailer brakes, …Hi, I have a 2006 F-350 4x4, 6.0L Pwr Strk. This just started, stalled at about 15mph but it restarted. Now it won't start, TBC Fault comes up on odometer screen. What the hell is goin' on?? Please he … read moreAug 5, 2014 · Aceppdug. 75 Answers. SOURCE: what is a tbc fault on a 2006 ford f350 6.0. That is your trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer. If you are not connected to a trailer it means there is a problem with your brake controller ... 05 F250 6.0L won't start, TBC Fault displayed, Started with loss of power then running rough, like fuel filters clogged, changed fuel filters, temps in single digits, anit gel in fuel and water remove …I have a 2006 ford f-350. It has a tbc fault, I don't use trailer brakes, and I don't want them. I just want to get rid of the code.. is the a way I can take out a fuse or unplug something?. Thanks. … read moreH. Hydro · #9 · Apr 27, 2020. TBC fault can mean many things -- one of which is a shorted trailer plug or harness along the frame. can also mean the brake pressure switch -- center mounted on the brake master cyl. or the speed sensor (VSS) In my defense, I was unsupervised. . 2006 F250 Lariat FX4 cclb.Jun 3, 2022 · I said 2002, i meant 2007 but this fix is for just about any ford tbc fault.please click like and subscribe, click on my name under the video for 400 plus mo... I said 2002, i meant 2007 but this ... TBC Fault Ford F350 Won’t Start. If your Ford F-350 won’t start, there may be a problem with the Throttle Body Controller (TBC). The TBC is responsible for controlling the throttle body, and if it isn’t working properly, the engine may not start. There are a few things you can do to troubleshoot the problem: Check the fuses. Read the whole thread- one thing I learned long ago about troubleshooting- never start where someone else left off. I would begin with the ignition switch based on the fact that the engine will crank with terminals shorted. There may be more than one flea on this dog. '05 Ford F250 6.0 CC LB 4x4. '10 BMW X5 Diesel.f-350: 2008 ford..the fuse for the power connections in the cab I HAVE A 2008 FORD HEAVY DUTY F-350. I CHANGED THE FUSE FOR THE POWER CONNECTIONS IN THE CAB AND NOW MY TRUCK WON''T START WAS TOLD IT WAS SECURITY SAFETY FEATURE.Jan 1, 2012 · TBC Fault Code need help. I have read all the posts on TBC fault codes. I have a 2006 with the ndredded TBC Fault- TBC fault at start up, and when operating the brake controller manually. The TBC fault comes on with or without a trailer hooked up and even if the controller is unplugged (behind the controller in the dash). Nov 22, 2012 · SOURCE: tbc fault trailer disconnected message 05 f350 check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem. 05 F250 6.0L won't start, TBC Fault displayed, Started with loss of power then running rough, like fuel filters clogged, changed fuel filters, temps in single digits, anit gel in fuel and water remove …Jun 27, 2016 · TBC lights up and looks like it's working (haven't tested at the trailer wiring yet) but now I'm also getting a Trailer Connection error on the dash in addition to the same TBC Fault even though it powers up. Previous owner obviously had an issue and just unplugged it all. I've read and read on here about what to check and can't narrow it down. Ford F350 SuperDuty Pickup 4x4: what is tbc fault on 2007 f350 what is tbc fault on 2007 f350 6.0 diesel? itwill not start, when cranking it over , the fault message comes up … read moreIf you are not connected to a trailer it means there is a problem with your brake controller possibly a short in the wiring caising the fault code. 2006 Ford F 350 Super Duty. 0. 1. TBC is trailer brake control. If it says there is a fault then i would say you have one of two issues. Either the controller is faulty or you have wires grounding ...May 19, 2014 · 7,643 satisfied customers. 2006 f-350: Injector Driver Module fuse..with 6.0 liter diesel. Injector Driver Module fuse keeps blowing on a 2006 f-350 with 6.0 liter diesel. It also says it has a TBC Fault. What is a tbc fault on a 2006 ford f350 6.0. That is your trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer. If you are not connected to a trailer it means there is a problem with your brake controller possibly a short in the wiring ...Nov 13, 2012 · 6.0L Power Stroke Diesel - Cranks no start-tbc fault on dash display - Started truck this morning and it fired up. Came inside to get things ready walked outside truck wasn't running. Now truck just cranks. Gives tbc fault on display. It's 30 degrees here and didn't plug truck in. Feb 12, 2013 · R. RIDETHE Discussion starter · Feb 12, 2013. So, I went out to start my truck today, and got a no crank condition. Theft light is flashing at me, and is says "CHECK BRAKE SYSTEM" "TRAILER BRAKE MODULE FAULT" I disconnected the battery, and no luck. I have the TBC disconnected, and same problem.Won't even let me shift into neutral to roll down ... 2005 Arizona Beige F350 XLT FX4 6.0 CC shortbed, 3.73 ls rear, 18" wheels, Tow Command. Additions: Vent Visors, bug guard, Fumoto Valve, Timbrens. Traded for... Current Truck -- 2008 Black F350 XLT 4x4, 6.8 V10, CC Long Bed, 4.10 rear, 18" wheels, IBC. Additions: Chrome Step Bars, Chrome door handles, Silver barbed-wire pin stripe, B&W Turnover ...Ford F350: I have a 2007 Ford F350 6.0l with B1342 and TBC I have a 2007 Ford F350 6.0l with B1342 and TBC fault. Checked wiring at trailer plugs, plug, fuses for the trailer brakes, …6,948 satisfied customers. Ford F250 Pickup 4x4: 2005 F250 5.4L. 105,000mi "New" to us. 2005 F250 5.4L. 105,000mi "New" to us in August. Son took it to school in the fall. Recently he has been getting a "TBC Fault" message and the … read more.TBC Fault Code on 05 F350. Hi Guys I bought this truck new never saw this code on my odometer until I had a local diesel shop do the following work on it. I had them replace the gasket on the up pipes for turbo ( they were leaking) but while it was there I also had them replace the light bulbs in my temp control ***** ( they were burned out ...I said 2002, i meant 2007 but this fix is for just about any ford tbc fault.please click like and subscribe, click on my name under the video for 400 plus mo... I said 2002, i meant 2007 but this ...Apr 2, 2020 · H. Hydro · #9 · Apr 27, 2020. TBC fault can mean many things -- one of which is a shorted trailer plug or harness along the frame. can also mean the brake pressure switch -- center mounted on the brake master cyl. or the speed sensor (VSS) In my defense, I was unsupervised. . 2006 F250 Lariat FX4 cclb. I said 2002, i meant 2007 but this fix is for just about any ford tbc fault.please click like and subscribe, click on my name under the video for 400 plus mo... I said 2002, i meant 2007 but this ...1 Answer Bad Fues caused problim. TBC Fault 2006 Ford 350 4x4 King Ranch. To correct ths problim I checked the Trailer connection all looked ok, no corrosion, no moisture no dirt. Checked all connections for power to lights, all ok Checked fuses this is where I found the problim. Feb 23, 2012 · I have a 2006 ford f350 6.0 super duty. I had a tbc vault so I replaced the brake module and every time I start the truck the tbc fault comes up on display. I hit the reset button and it goes away and … read more The TBC fault code could indicate various drivability and electronic issues and symptoms because of loosely or incorrectly installed fuses in the fuse box. These symptoms may occur intermittently, triggering its light to turn on the dash. If you don’t want to see this fault code on your dashboard, you need to inspect the fuses from time to time. Aceppdug. 75 Answers. SOURCE: what is a tbc fault on a 2006 ford f350 6.0. That is your trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer. If you are not connected to a trailer it means there is a problem with your brake controller ...Well last Friday I was driving down the road and my alternator that is only a year old decided to go out and I had no choice other than drive to Oreilys to get a new one and put it on. By the time I got there the truck was pretty much dead. So I put the new alternator on and jump start it and in the instrument cluster it says "TBC Fault".2005 Arizona Beige F350 XLT FX4 6.0 CC shortbed, 3.73 ls rear, 18" wheels, Tow Command. Additions: Vent Visors, bug guard, Fumoto Valve, Timbrens. Traded for... Current Truck -- 2008 Black F350 XLT 4x4, 6.8 V10, CC Long Bed, 4.10 rear, 18" wheels, IBC. Additions: Chrome Step Bars, Chrome door handles, Silver barbed-wire pin stripe, B&W Turnover ...Feb 8, 2009 · What is a tbc fault on a 2006 ford f350 6.0 That is your trailer brake controller that is built into your dash. If you are hooked up to a trailer it could mean you are losing your connection or ground to the trailer.
Ford F350: I have a 2007 Ford F350 6.0l with B1342 and TBC I have a 2007 Ford F350 6.0l with B1342 and TBC fault. Checked wiring at trailer plugs, plug, fuses for the trailer brakes, …. How much is gas at sampercent27s wholesale club
Jan 1, 2012 · TBC Fault Code need help. I have read all the posts on TBC fault codes. I have a 2006 with the ndredded TBC Fault- TBC fault at start up, and when operating the brake controller manually. The TBC fault comes on with or without a trailer hooked up and even if the controller is unplugged (behind the controller in the dash). About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Jan 23, 2011 · Wont start, cranks over, shows tbc fault, - 2005 Ford F 350 Super Duty. Posted by Todd VanDiest on Jan 22, 2011. Want Answer 0 ... 06 ford super duty won't crank. If you are not connected to a trailer it means there is a problem with your brake controller possibly a short in the wiring caising the fault code. 2006 Ford F 350 Super Duty. 0. 1. TBC is trailer brake control. If it says there is a fault then i would say you have one of two issues. Either the controller is faulty or you have wires grounding ...3. If replacing your brake light switch doesn't work, you probably needed a new switch soon anyway. 4. Go on to the other more expensive suggestions on how to fix a TBC Fault. Honestly don’t know what a TBC fault is, but I have always had to replace the brake light switch.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 ...The TBC fault on the Ford f150 implies that there is a problem with the programming and calibration of the brake control module on the truck. To solve this issue, you need to reprogram the control module manually. Follow these steps to reprogram the brake control module on the Ford f150. Step 1: Make sure to connect the trailer wiring harness ...If you are not connected to a trailer it means there is a problem with your brake controller possibly a short in the wiring caising the fault code. 2006 Ford F 350 Super Duty. 0. 1. TBC is trailer brake control. If it says there is a fault then i would say you have one of two issues. Either the controller is faulty or you have wires grounding ... Jun 14, 2013 · 1 - 7 of 7 Posts. drewactual · #2 · Jun 14, 2013. those brake modules can wreak havoc.. basically, the computer protects itself by shutting off or limiting functions, which affect other things far reaching from a brake controller.. i'd be willing to bet once you swap it your issues disappear.. but, get it diagnosed professionally, first. Apparentely there is a sensor in the master brake cylinder that sends a signal to the brake controller, the sensor is probably faulty. The sensor cannot be replaced separately. A complete master cylinder must be replaced. At least that was what I was told and it FIXED MY "TBC FAULT". 2008 F450 Lariat 4X4, Line-X, Pace Edwards bed cover, B&W ...1999 to 2016 Super Duty - 2006 F-350 Intigrated TBC problem - I have a 2006 F-350 Lariat that has a integrated trailer brake control. My issue is that my original TBC burnt out and I received a TBC Fault followed by Trailer Disconnected on my dash display, even though my 5th wheel was hooked up and the plug was...Jul 5, 2014 · 05 F250 6.0L won't start, TBC Fault displayed, Started with loss of power then running rough, like fuel filters clogged, changed fuel filters, temps in single digits, anit gel in fuel and water remove … SOURCE: tbc fault trailer disconnected message 05 f350. check the rear plug on the bumper they are prone to water damage and corrosion, if you unplug the 7-way and four way plug from the body connector and test drive the vehicle this will tell you if the plug is the source of the problem. Posted on Jul 22, 2009.I have a 2006 ford f350 6.0 super duty. I had a tbc vault so I replaced the brake module and every time I start the truck the tbc fault comes up on display. I hit the reset button and it goes away and … read moreI was driving on a long highway trip last weekend (NOT towing) and over bumps it will chime and display "check trailer" I thought there may be some moisture in the 7pin harness or connector.I drove my 08 F350 6.4 about 100 miles the other day and went home and shut it down. About an hour later I went to take off in my truck and when I turned the key on and it showed trailer brake module fault on the dash. It also simaltaneously showed check brake system, traction control on/off, and ------- on the odometer..