Code PO603 and PO606 - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 03-29-2007, 08:58 PM Thread Starter
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Code PO603 and PO606

Had usual cps problems, changed cps about 500 miles ago...truck has ran great until the other day. Started the truck in the morning let it idle for about 10 minutes then it died on it's own let it sit for a few minutes started and ran fine. Then the next morning started the truck up let it warm up started down the road and it died. Let it sit for awhile it started and had no power until about 2200 RPM's. I've got an edge scanner and the codes it gave me are PO603 and PO606 pcm. Any help for my 97 powerstroke?
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post #2 of 2 Old 03-30-2007, 11:50 AM
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Quote:
Originally Posted by GME1214 View Post
Had usual cps problems, changed cps about 500 miles ago...truck has ran great until the other day. Started the truck in the morning let it idle for about 10 minutes then it died on it's own let it sit for a few minutes started and ran fine. Then the next morning started the truck up let it warm up started down the road and it died. Let it sit for awhile it started and had no power until about 2200 RPM's. I've got an edge scanner and the codes it gave me are PO603 and PO606 pcm. Any help for my 97 powerstroke?

Ok P0603= PCM Error, P0606= PCM Processor Fault.

So I'm thinking there is something wrong with your pcm.


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