Question about 2005 Ford F 350 Super Duty

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Tbc fault trailer disconnected message 05 f350

I keep getting tbc fault and trailer disconnected message. this occurs with or without trailer

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  • Anonymous Mar 12, 2014

    check trailer error on tbc

  • Anonymous Mar 31, 2014

    when the weather is bad my trailer brake controller faults.

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  • 64 Answers

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

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Related Questions:

1 Answer

Why would a TBC fault on a 2006 ford f350 keep the truck from turning on?


Not sure, but read another person had same situation. They replaced the trailer wiring harness and fixed the problem.

Aug 04, 2014 | Ford F-350 Cars & Trucks

1 Answer

Truck displaying "TBC FAULT" while driving. What


It may possibly store DTCs. If not.. PINPOINT TEST H: THE INSTRUMENT CLUSTER DISPLAYS "TBC FAULT"

Test Step Result / Action to Take
H1 CHECK FOR THE PRESENCE OF A TRAILER BRAKE CONTROL (TBC) MODULE AND BRAKE PRESSURE TRANSDUCER
Verify that the vehicle is equipped with a TBC module in the instrument panel and a brake pressure transducer on the master cylinder.
Is the vehicle equipped with a TBC module and a brake pressure transducer?
Yes
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 .

H2 CHECK TBC MODULE COMMUNICATIONS
Using the scan tool, access the TBC module. Does the scan tool communicate with the TBC module?
Yes
VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this section.

No
Go To Pinpoint Test a.

H3 CHECK THE VEHICLE BUILD INFORMATION
Verify that the vehicle is supposed to be equipped with a TBC module.

Is the vehicle supposed to be equipped with a TBC module?
Yes
INSTALL a trailer brake retrofit kit. CLEAR the DTCs. REPEAT the self-test.

No
VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this section.

H4 CHECK THE VEHICLE BUILD INFORMATION
Verify that the vehicle is supposed to be equipped with a TBC module.
Is the vehicle supposed to be equipped with a TBC module?
Yes
INSTALL a brake pressure transducer. Make sure to LUBRICATE the O-ring seal with clean, specified brake fluid before installation. RECONFIGURE the instrument cluster for trailer brakes, REFER to Programmable Parameters in this section. CLEAR the DTCs. REPEAT the self-test.

No
REMOVE the TBC module and install the storage bin.

Hope this helps; keep us updated.

Jan 17, 2011 | 2007 Ford Super Duty King Ranch

2 Answers

What does tbc fault mean on a 2006 f350


TBC means Trailer Brake Controller fault.Check for moisture/water in the trailer plug connector at the back of your truck. Water/moisture will cause TBC error codes. Look for moisture at all connections to the plug and inside the plug.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 caising the fault code. ----- It means either A) you have a bad ground on your trailer. Or B) your cable on your trailer is too short and causing it to pull out of the plug or C) you have a short in the factory trailer harness wiring or the plug is gunked up. --------- get this possibilities checked.It will help.Thanks.Helpmech.

Dec 24, 2010 | 2006 Ford F 350 Super Duty

1 Answer

If my f350 reads TBC Fault does that mean i need to change the controller


not sure if you need to change it but 05 and 06 f350 are haveing a lot of issues with this you might want to see if they have a recall....Sorry I cant help futher

Dec 04, 2010 | 2006 Ford F 350 Super Duty

2 Answers

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 caising the fault code.

Feb 02, 2010 | 2006 Ford F 350 Super Duty

1 Answer

I have an Intergrated brake controller, i warning comes up trailer disonnected and sometimes TBC fault, no trailer hooked up , happens when i hit a bump, or hit the dashs. Please


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 out to the brake control wire going to the rear of the truck for your plug.

Jan 25, 2010 | 2005 Ford F 350 Super Duty

1 Answer

Tbc fault appeared when started truck


Please specify what you are calling a Tbc ?? if its just a warning light and oil and water seem ok then use it till you can get it plugged in somewhere

Feb 08, 2009 | 2003 Ford F350 Super Duty DRW SuperCab

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