Code 603
Feb 9, 2008 | 01:04 PM
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Code 603
Ok I pulled this code today . It has to do with the KAM. Any insight into this.
Feb 9, 2008 | 02:10 PM
Joined: May 2004
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From: San Diego, CA
0603 appears to be a memory test failure by my book. Specifically the PCM "keep alive" memory failed a self-diagnostic test.
Feb 11, 2008 | 08:30 AM
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From: Michigan
Probably has something to do with your aftermarket tuner.
Feb 11, 2008 | 08:35 AM
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That si when it did come up. I installed tow setting from my superchip and then I got that code. Is it something to be concerned with?
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