1999 - 2003 7.3L Power Stroke Diesel

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PCM code po603?

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Old

Sep 20, 2008 | 04:01 PM

#1

midnight1967

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Joined: Jul 2007

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From: PA

PCM code po603?

Hi everyone i dont talk on her alot but i had a question about code po603. i have a diablo sport programmer and i usually run it with the 65 hp econo tune and there are no codes trown but today i put in the 85 hp tune and wemt a couple of miles , got into it a little bit and now its saying that code po603 POWERTRAIN CONTROL MODULE KEEP ALIVE MEMORY (KAM) ERROR, does this mean the pcm is bad?

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Old

Sep 20, 2008 | 04:08 PM

#2

PaysonPSD

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Joined: Nov 2007

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From: Payson, AZ

Not to worry. Typical code when using a programmer. Your PCM is fine. For more info about P0603 just type 0603 in the Search This Forum box at top of threads list.

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Old

Sep 20, 2008 | 05:36 PM

#3

ron's power stroke

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Joined: Jun 2006

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From: White Mnt's,New Hampshire

in case this is the first time you have seen this code...it also caused by un hooking the batteries for a while.....like Robin said..not to worry..

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Old

Sep 20, 2008 | 05:59 PM

#4

midnight1967

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From: PA

thanks alot that makes me feel a whole lot better .thanks again

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Old

Sep 20, 2008 | 08:30 PM

#5

Powerstrokedlariat

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From: Bellingham, WA

I have the diablo as well and anytime you change tunes it will show this code for awhile. Just clr it with the diablo and your good to go. Or dont clear it, it doesn't matter at all. Oh, and it's not just the diablo, I believe anytime you use a chip/programmer and change anything this shows up. Totally normal!

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Old

Sep 20, 2008 | 09:41 PM

#6

white Buffalo

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Joined: Sep 2006

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From: Sioux Falls, SD

When I had the Daiblosport Predator Programmer it did the same thing. Chips won't have the code but either way it doesn't matter - you are good to go.

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Old

Sep 20, 2008 | 10:18 PM

#7

midnight1967

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From: PA

hey thanks alot was nervous seeing the code but im good now. thanks for the help.

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Tags

2004, 250, 73, code, codes, daigonist, diesel, dtc, engine, f250, f350, find, ford, pcm, po603, power, stroke

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