P0603 DTC code
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Joined: Oct 2006
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P0603 DTC code
The dtc code p0603 comes up on my reader im not sure how to fix whatever problem it may be. I have a Bully dog power pup tuner.. Afe stg2 intake an improved crank sensor and thats about it. any help would be great thnx
2001 F-350 7.3l psd
Raptorvip
2001 F-350 7.3l psd
Raptorvip
Last edited by Raptorvip; Oct 29, 2006 at 01:40 PM.
Post Fiend
Joined: Jul 2005
Posts: 14,582
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From: 21791
Welcome to FTE Raptorvip. That code you listed is Keep Alive Memory Error, which we find very common in trucks that have a programmer added. The stock program is copied to the programmer, and the programmer copies it's program to the PCM in the truck. The PCM wonders where it's stock program went, and it throws that code. There is nothing wrong with your truck, just ignore it.
thnx
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CAT_man_963
1999 - 2003 7.3L Power Stroke Diesel
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Oct 13, 2008 12:02 AM
