How do you repair TBC fault?

"TBC fault" isn't a standard fault code across all systems. TBC could stand for many things depending on the context (e.g., a specific piece of equipment, software, or a company's internal code). To help you repair it, I need more information. Please tell me:

* What system is experiencing the TBC fault? (e.g., a car, a washing machine, a computer, a piece of industrial equipment, a specific software application)

* What is the manufacturer and model number? This will help narrow down the possibilities.

* What is the full error message or code? Often, there's more information than just "TBC."

* What were you doing when the fault occurred? This can provide clues about the cause.

With more details, I might be able to offer specific troubleshooting steps or point you to the correct documentation or support resources.