p0603 code - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 05-26-2011, 12:13 PM Thread Starter
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p0603 code

Anybody have ideas on why my cel continues to show cel p0603?
Battery cables are clean & sprayed, connections are secure, and batteries are charged.
Also, I heard that my Superchips programmer can cause cel egr insuff. code.
Anybody have a way to delete the code & prevent it from coming back?
Thanks

Dieseldad
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post #2 of 5 Old 05-26-2011, 02:05 PM
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Your Internal Control Module Keep Alive Memory (KAM) was cleared. Probably when you flashed your PCM with your tuner, or disconnected the batteries. You should just be able to clear it with a scanner.

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post #3 of 5 Old 02-23-2012, 09:44 PM
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Quote:
Originally Posted by rem1981 View Post
Your Internal Control Module Keep Alive Memory (KAM) was cleared. Probably when you flashed your PCM with your tuner, or disconnected the batteries. You should just be able to clear it with a scanner.
Now I just want to thank you because everyone wants to say it could be all this and that but what you said makes the most sense of all. Everyone that has asked what the p0603 code is they say they had a some kind of tuner hooked up. I'm a computer technician and I could tell you that it make more sense that it throws that code when you reflash every time. I bet if I clear the code flash back to stock and back to tune you will get the code every time. That would be my advice if you get the p0603 code I would try that first then check your batteries and cables and all that.

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post #4 of 5 Old 02-23-2012, 10:10 PM
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Talking

Glad I could help! Geez, I forgot all about this, it was so long ago!

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post #5 of 5 Old 02-23-2012, 11:04 PM
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yeah I just looked the code up to see what it said and everyone was saying something different so I got to thinking about it and your answer and it sure made the most sense.

I'm addicted to diesel and I step on it constantly!
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