The link below, is what happened to me. I think that I was lucky to not have the motor go into "limp mode."
It finally happened...Forced regen while sitting still.
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"EarthFirst..We'll Pipeline The Rest Of The Planets Later." '08Quad,C&C,6.7L,G56,Electronic4-by-knob(?!),4.10's&limited-slip,AmsoilBypassFltr,FirestoneAirBags,CstmWeldBed ,'07Pipeliner200D,50"DonaldsonMuff.Home-madeCAI.Amsoil Air Filter,PMT