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Discussion Starter #1
tried to put a new tune in my lly tonight and im getting no power from the ecm. the truck ran fine prior pulled old tune out now it will not start windows wont roll up etc cannot get a new tune to load it says ecm not detected any suggestions?! need to figure out the problem also getting a noise from a motor on the driver side frame rail. Thanks for any help
 

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Just a thought, but are the batteries dead?

Could be why you aren't getting a signal.
 

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Hang it!...Fire!
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check batteries man thats the cheapest thing to check
 

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does it say lost connection to ecm? do you have power to your obdII port.. if not check cig. lighter fuse...
 

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Discussion Starter #6
figured it out wiggled the wires going into the ecm... able to reflash and it runs great now thank god! had me very nervous!
 
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