Trucks, Ford

TBC Fault – Complete Guide

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by Ian Nicholls

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I’ve read dozens of articles about TBC fault code reset, but none have worked so far. Previously, when I noticed a TBC trouble code on my screen, I thought of bad wiring and a pressure transducer but I was wrong.

I realized that the TBC fault mostly pops up upon ignition and indicates  ‘Check Trailer’ even when the trailer is connected. And, to save thousands of people looking at how to fix faults on the 2006 f250, I’ve come up with this comprehensive guide.

This article presents different TBC faults, including TBC fault fuse locations and detailed solutions to each to make your job easier. Stay tuned. 

What is TBC on a ford truck?

TBC on a ford truck is a standard ford truck brake controller that assists vehicles in hauling trailers with brakes for a more secure and comfortable experience. It’s common for most ford trucks, including f350, f150, and f250.

If you are a driver and intend to utilize the TBC, press the truck’s brakes and the TBC will automatically apply brake force on the wheels. However, it’s crucial to know how to properly set up the trailer brake controller for optimal results. I recommend you watch this video for a more comprehensive guide.

What Does TBC Fault Mean on the Ford Truck?

TBC fault is a trailer connection issue likely caused by the absence of or poor connection of the trailer wiring or a defective grounding to the trailer’s frame. TBC faults on ford trucks may occur in gasoline and diesel trucks, and the fault code usually appears in vehicles designed to tow trailers. 

If you see a TBC trouble code on your dashboard, do not drive that vehicle. It’s not safe. This error implies that the Trailer Back Controller is not functioning; hence it’s not communicating with its wiring. This could be caused by corrosion or contact between bolts, fuses, or wires.

I know you’re asking yourself how the TBC fault code reset is done or even how you know the TBC fault fuse location. This shouldn’t worry you anymore.

Repairing the TBC Fault on a Ford Truck Is Not a Complex Process

  • First, inspect the connections at the back of your vehicle, to know if they’re wet, unsecured, or corroded. In case there’s something wrong with any of these, address it immediately to prevent further damage. 
  • Secondly, examine the screws and bolts that fasten the wires under your vehicle. Because of progressive use over time, they are subject to wear and tear due to corrosion.

If any of the above are correctly working and there’s still no connection to the trailer, the problem may lie within the Body Control Module(BCM). In this case, we suggest you seek the services of your experienced local mechanic for servicing.

Additionally, you can choose to order a new Body Control Module online from your local store for a replacement. 

However, if everything is fine and there is still no connection with the trailer, you’ll need to thoroughly recheck all the wirings and find the problem. 

Pro tip: It’s important to note that TBC faults may vary on different models. The table below shows the varying faults of models f250 and f350. Check them out and keep reading for possible solutions.

TBC Fault Ford ModelsReasons
f250Bad fuse
f350Grounding of the trailer

TBC Fault Ford F250

TBC fault ford f250 is a trailer brake controller possibly caused by lost connection because of lousy fusing. 

If you want to know how to fix faults on the 2006 f250, you need to know the TBC fault fuse location first. Under the steering wheel, you’ll see it on the left side.

Solution

Use a screwdriver or pry bar to open the fuse box. You’ll notice several fuses inside, and on the back of the panel, you’ll see an illustration of what each fuse is used for. Besides, you can check out the diagram in the vehicle’s owner’s manual. 

Once you determine the fuse you need, simply pull it out and examine it. If the fuse is fine, you should notice a thin strip of metal linking the two parts. In this case, connecting the two loose ends will put you back on the truck. If the fuse is broken, it will need immediate replacement. 

TBC Fault Ford F350

TBC fault ford f350 is a trailer brake controller problem due to a grounding issue dealing with the trailer connection.

If you drive a ford F-350 truck, you’ll notice various lights and alerts appearing on the dashboard. Commonly, this reminds you that it’s time for routine service and maintenance, which include fluid and filter inspections. 

Also, wires and components checks are done. Sometimes, however, your vehicle could have a TBC fault.

Solution

To determine the solution to a 2007 f350 TBC fault, you’ll need to check for the grounding of the trailer. To do this, go to the connectors at the bottom of the vehicle and inspect each for looseness, corrosion, damage, wear, and tear. If the connections are broken, you’ll need to replace them immediately. 

Depending on the type and where you buy from, the replacement will not break your bank. In fact, they should cost between $3-$25. 

What does TBC Fault Mean on Powerstroke?

TBC fault on Powerstroke is a trailer brake controller problem of the engine due to bad fuses, low moisture, trailer grounding, and many other reasons.

TBC Fault Wrap Up

Trailer Brake Controller faults can lead to dangerous circumstances on the road. However, now that we’ve discussed the TBC faults, including the 2007 f350 TBC fault, and given you different solutions, we hope you’ll have no problem fixing any of them. 

About
Ian Nicholls

Ian is a seasoned automobile enthusiast with a knack for diagnostics and repair. Adept at overseeing garage operations, skilled in troubleshooting, and passionate about ensuring top-notch vehicle performance.

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