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View Full Version : 2011 gmc can not get into the ecm


JST
November 12th, 2012, 10:25 AM
Can not find the on star fuse ? if that is what is doing it ?
GMPX
November 12th, 2012, 12:09 PM
If it is a 2500HD it might be an E78 ECM, not E38.