Code P0603 ???
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Tuned
Joined: Jul 2005
Posts: 281
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From: Sherman, IL
Code P0603 ???
I have 4" exh, Edge juice w/additude, Predator programer, and auto trans. I first cleared the codes before I installed the 60hp tune the only one in there was P0603. Then I installed the 60hp tune with hard shifts. Went for a drive and the SES light was on. I figured it was the MAP sensor or something like that, but it was the P0603 again. Can anyone tell me what this means? I know it's "Powertrain control module keep alive memory (KAM) error". I just don't know what this means to me.
Thank you for any help.
Thank you for any help.
Junior User
Joined: Mar 2006
Posts: 69
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Originally Posted by CAT_man_963
Nothing to worry about - that code is perfectly normal 
- you cause that code just by using the tuner on the truck. Also I don't think it will set the SES light.
- you cause that code just by using the tuner on the truck. Also I don't think it will set the SES light.
Junior User
Joined: Dec 2004
Posts: 75
Likes: 0
It comes on whenever you plug the tuner in and sometimes when you disconnect the batteries. This is what the dealer will look for to see if you are running a tuner, but as I said it will be triggered when disconnecting the batteries as well.
