P602 Code
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08-31-2012, 10:33 AM
Join Date: Aug 2012
Location: AZ
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P602 Code
I drive a 03 2500 5.9L Diesel. My factory ECM died and I went to Auto Module Source and bought a rebuilt ECM. I had to send their ECM back to them 3 times due to a P602 code from two different mechanics. The problem with the truck is it will start but will not idle. Is anyone familiar with this code? I have went ahead and ordered a new ECM in lieu of a rebuilt.
