Trouble changing tunes - Ford Powerstroke Diesel Forum
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Old 03-17-2013, 10:21 AM
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Trouble changing tunes

My sct powers up but won't get past the "turn key to on position" prompt. If it does, it quickly stops programming and the dash beeps and say "TBC Fault" then the sct doesn't finish. I know TBC is trailer brake controller but whats that have to do with the sct flashing the truck. My brake controler works perfectly fine, it has never once came on when towing and I tow daily.
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Old 03-18-2013, 06:55 AM
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Just for the sake of trying it, in the fuse box inside your engine bay, find the 2 amp fuse (white). File and clean the terminal ends. If that doesn't work, pull the TBC fuses and try loading.

Don't feel bad, Wildman's tune has hijacked my SCT. Anytime I want to put on a lighter tune after the Extreme, I have to go back to stock first, then reprogram or the truck won't start with the new tune.
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