KAM code PO603 - Diesel Bombers



Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

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Old 09-27-2010, 10:00 AM
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Default KAM code PO603

I was driving up the road the other night and the truck just died I popped it in neutral and shut the key off then started it back up. What would cause this code??
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Old 09-27-2010, 09:32 PM
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you might have one of my problems read my posts
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Old 09-28-2010, 10:35 AM
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603 is a code meaning the computer lost memory. Its quite common with a programer like you have and doesnt tell you much.

Sounds to me like a CPS issue... Have you replaced it ever?
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Old 09-28-2010, 10:40 AM
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CSIPSD always has useful information. I would be around with out him
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