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Discussion Starter #1
I went to start up my truck tonight after sitting since yesterday and the CEL light came on right after it turned over. I did the key thing to read the codes and it was P2509 - ECM/PCM Power Input Signal Intermittent. What should I do? Is it a battery issue, connection to the ECM? It rained really hard here last night, could that be part of it? Thanks for the help

Russ
 

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did you have your batteries go dead or disconnected or maybe a loose battery cable. I had that code before it went away with no issues i checked the connections at the batteries
 

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Discussion Starter #3
No they havent died or been disconnected. And all the connections to them look fine and are tight. I just tried it again and the light is still on, but the code doesn't show up.
 
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