P0603 - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 2 (permalink) Old 12-20-2018, 01:16 PM Thread Starter
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P0603

What does this code mean ? i have had this truck for just over a year now as far as i know only the exghaust has been replaced
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post #2 of 2 (permalink) Old 12-25-2018, 08:08 PM
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Garage
Re: P0603

KAM....Keep Alive Memory. Sounds like you had some low voltage/battery issues at one point. If your batteries/voltages are good, clear the code and it shouldn't come back.

2004 Excursion 6.0
New HPOP/HPO system o-rings; Updated standpipes and dummy plugs
EGR delete; Rebuilt oil cooler; CCV collection mod
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Rebuilt turbo; 250 amp alt; 6000 watts of brain scrambling
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