Fried PCM really ? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 05-15-2013, 05:24 AM Thread Starter
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Fried PCM really ?

So I got my SCT live wire TS brought it to a local diesel performance shop for installation, I get a call 4 hours later saying my PCM already has a tune on it must've bought it that way, they tried to erase it and he said he couldn't connect to the PCM . I brought it to the dealership and he couldn't connect either. But my scangauge works properly and the tuner reads it enough to tell me to get rid of the tune present. My question is do I need a new PCM that is what has been suggested at this time.
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post #2 of 6 Old 05-15-2013, 09:56 AM
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You need the tuner that tuned the truck to unlock the PCM, which sets it back to stock. I'm not truely sure that theres not another way. Just putting out my .02 out there. Maybe someone else will chime in.
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post #3 of 6 Old 05-15-2013, 08:38 PM
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Ford can force reflash the computer I forgot what it is called, but it is possible.



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post #4 of 6 Old 05-15-2013, 08:52 PM
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Ford should Be able to do this
I would try another dealer

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post #5 of 6 Old 05-15-2013, 09:03 PM
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The more I am thinking about this the more I think they want to sell you a PCM just to make more money. If all the gauges are working and the scangauge is reading and the truck is responding normally then the PCM just needs a reflash. I had to do this when I switched from my bully dog back to stock.

X2 on what ZMANN said find a diffrent dealer.



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post #6 of 6 Old 05-16-2013, 07:36 PM
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Quote:
Originally Posted by toren302 View Post
Ford can force reflash the computer I forgot what it is called, but it is possible.
100% correct! its called a P.M.I.


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