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 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.Dec 22, 2016 · 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 more 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 ...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. 1. Wrong Programming On The Brake Control Module: Reprogram The Brake Control Module (Ford F150) 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.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 23, 2018 · Tbc fault on my 06 f350. Thanks to Jeremy Hull for pointing me in the right direction to looking into it. Hope this helps you guys and gals. Tbc fault on my 06 f350. Thanks to Jeremy Hull for ... 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. 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.rezhawk. Discussion Starter · Jan 3, 2008. While driving today the following message showed on the dash display, TBC Fault. I shut the vehicle off and restarted and the message displayed once again, anyone know what this means. I have a 2005 Ford F350 Diesel 4x4 CC with 21k. 2005 F350 6.0L PSD CC SB. Reply.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. 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.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. 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.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 ...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 .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.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 ...Nov 23, 2018 · Tbc fault on my 06 f350. Thanks to Jeremy Hull for pointing me in the right direction to looking into it. Hope this helps you guys and gals. Tbc fault on my 06 f350. Thanks to Jeremy Hull for ... 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.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. Feb 12, 2020 · 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 ins... 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 ... Dec 22, 2016 · 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 more 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.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. 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. my f350 won,t start , my computer reads glow plug module 2 pcm communication circuit . ... What is a tbc fault on a 2006 ford f350 6.0. 2006 Ford F 350 Super Duty. I ...Aug 23, 2013 · Ford. F-250. 2006 Ford F-250 Super Duty. Tbc fault ford f350... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email. Question about 2006 Ford F-250 Super Duty. 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!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.May 5, 2015 · Truck won't crank. Has power and fuel, injectors buzz. Says TBC fault on the dash. ABS light came on last night before I - Answered by a verified Ford Mechanic 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.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 moreWIRING FAULT ON TRAILER — This message is displayed when the trailer brake output circuit is shorted to ground or shorted to voltage. A DTC sets in the TBC module indicating which circuit fault was observed. It is important to determine if a trailer was connected when this message was displayed.The TBC fault light appearing on the dash of a Ford F-350 indicates a problem with the grounding to the trailer. To resolve this issue, inspect each connection for looseness, wear, and corrosion.Feb 4, 2015 · My post earlier did not refer to any wiring or fuse on the truck. It was the battery charging fuse on the trailer. Neither Ford nor the trailer dealer could figure it out. Of my six trucks the 3 with the Ford TBC would show trailer disconnect at times and weak to 0 brakes. The 3 older trucks with aftermarket TBC never had a problem. 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.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 moreCheck the wiring and the 7 pin in the rear. You can use a test light to check for power to 7 pin the 2 bottom terms are ground and brake. put a test light to them and hold the brake down and see if it works. Ive had a few with green cheese at the bottom 2 pins. I also had an 05 F450 last year that had a cluster problem I swapped clusters (ford ...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.F-350 SD: What is a tbc fault code? 06 - 6.0 diesel, ran ok What is a tbc fault code? '06 - 6.0 diesel, ran ok yesterday until late then started running a little rough. won't crank this morning. Did a EGR delete kit last weekend due to leaking cooler and has r …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 ...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 ...Oct 7, 2009 · 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. Oct 5, 2021 · 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. Apr 2, 2005 · 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 ... Nov 27, 2014 · 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 Aug 23, 2013 · Ford. F-250. 2006 Ford F-250 Super Duty. Tbc fault ford f350... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email. Question about 2006 Ford F-250 Super Duty. Aug 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 ... 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 Aug 23, 2013 · Ford. F-250. 2006 Ford F-250 Super Duty. Tbc fault ford f350... Share on Facebook. Share on Twitter. Share on Pinterest. Share by Email. Question about 2006 Ford F-250 Super Duty. 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. 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 ...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 ...May 5, 2015 · Truck won't crank. Has power and fuel, injectors buzz. Says TBC fault on the dash. ABS light came on last night before I - Answered by a verified Ford Mechanic Oct 5, 2021 · 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. 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. 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. 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. 6,948 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.Need help from an experienced Ford diesel tech, I am having trouble with my 2005 Ford F250, 6.0L 4x4. The truck has 101,000 miles and an extensive shop/repair history (it's been a long road) but I'll …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. Oct 7, 2009 · 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. 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.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.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 ... 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. Feb 4, 2015 · My post earlier did not refer to any wiring or fuse on the truck. It was the battery charging fuse on the trailer. Neither Ford nor the trailer dealer could figure it out. Of my six trucks the 3 with the Ford TBC would show trailer disconnect at times and weak to 0 brakes. The 3 older trucks with aftermarket TBC never had a problem. Jan 3, 2008 · rezhawk. Discussion Starter · Jan 3, 2008. While driving today the following message showed on the dash display, TBC Fault. I shut the vehicle off and restarted and the message displayed once again, anyone know what this means. I have a 2005 Ford F350 Diesel 4x4 CC with 21k. 2005 F350 6.0L PSD CC SB. Reply. 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 moreFeb 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 ... 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. Oct 5, 2021 · 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. Whats the wiring diagram of the Brake Light in the Instrument Cluster 2000 Ford Mustang GT CONVERTIBLE The brake light in my instrument cluster when off. Checked the light bulb and the light bulb in the cluster is fine. It wont light up during a instrument cluster bulb test. Be the first to answer Mar 31, 2022 • Ford Mustang Cars & Trucks. 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. 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.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. the tbc fault has nothing to do with it... it stands for trailer brake controller fault. as for the no start... could be many things. 2005 Ford F 350 Super Duty. 2005 Ford F 350 Super Duty. the connector is wet dry it out then push plug back into the plug in to solve problem. Apr 11, 2010 • 2006 Ford F-250 Super Duty.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 .May 12, 2014 · 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.
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. . Florida lottery pick 3 play 4 evening
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 moreAbout 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.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 moreThe 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.Results: KOEO fuel pressure at 50 psi. Engine cranking, steady 50 psi. 5.Checked FICM voltage. Results: KOEO 48.5 volts. 48.8 volts while cranking. *FICM voltage is at appropriate levels. 6. Located ICP sensor and attempted starting with harness unplugged. Results: Just cranked, no start. 7.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.Whats the wiring diagram of the Brake Light in the Instrument Cluster 2000 Ford Mustang GT CONVERTIBLE The brake light in my instrument cluster when off. Checked the light bulb and the light bulb in the cluster is fine. It wont light up during a instrument cluster bulb test. Be the first to answer Mar 31, 2022 • Ford Mustang Cars & Trucks. Feb 12, 2020 · 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 ins... 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.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. 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 ...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..