Join Date: Oct 2006
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Hello everyone, I have a question about this code (P0603 PCM Keep alive memory test error). I tend to be away from my truck about a week at a time and when I first drive it after getting home it takes a couple of miles to straighten itself out and run right, just like it does if you've had the batteries disconnected, then gives me no problems until after the next time it has sat for that long.
This is the only trouble code the truck is giving out, and I was kind of expecting it, but also very relieved that it was the only one! My question is this, should I get this straightened out ASAP, or is it ok to get my gauges and gauge mount, then take care of this problem ( it could be a couple of months if I do the gauges first ), or am I just asking for big time trouble if I put it off?