SPL Tech Posted December 27, 2014 Report Share Posted December 27, 2014 I bought a used CMAX, and I am unsure if they flashed the ECU with the fuel economy upgrade. I checked with one of the local dealers and they said they have no way of knowing if it was done even with my VIN. Is there a way I can check? Will the code come up in ETM? Quote Link to comment Share on other sites More sharing options...
drdiesel1 Posted December 27, 2014 Report Share Posted December 27, 2014 They should be able to look on the Oasis system and know what's been done. Put your VIN in here and see if you have any outstanding actions available.http://www.etis.ford.com/home.do Quote Link to comment Share on other sites More sharing options...
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