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Diag codes start with "P" or "C"?

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Old Nov 2, 2009 | 07:45 AM
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Diag codes start with "P" or "C"?

Hey-

I had my shop scan the truck, as the light went on on Sunday. Any particular reason the codes would start with "C"? I thought all of them started with "P"?

It's a 250 with a 5.4.

Thanks-

P
 
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Old Nov 2, 2009 | 08:30 AM
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Old Nov 2, 2009 | 08:48 AM
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Oh ok, thanks. I wasn't under the impression that there were other prefixes.
 
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