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Error code P 2509

5.6K views 4 replies 5 participants last post by  gibblewabble  
#1 ·
I searched this site to find that this particular error code is: CM/PCM Power Input Signal Intermittent.

What does this mean exactly? Is the truck computer not getting the steady voltage necessary? Has anyone else had this issue, and if so what was the remedy?

Thanks for any help!