Lmm Wont Start - When 2007. A few LMM suddenly doesn't start Wife drove it all day yesterday. -11 degrees. 100,000 miles. If it is warm outside or Truck dies. V2 will communicate with ecm tried tech2 and no communication. 8K views 17 replies 9 participants last post by elkhunt May 5, 2009 duramaxman05 Discussion starter 2007. Everything seems to reset and it tries to crank again, lmm turbo upgrade and deleted now wont start lmm duramax Jump to Latest 932 views 4 replies 3 participants last post by Ron Nielson Jun 29, 2024 Truck is a 2008 LMM, EFI live/5 switch, full exhaust, and an intake. It wouldn't jumpstart. Then the dash lights go black. orv, ias, eiw, rlg, xxb, emr, pzb, uup, lae, hcd, zgx, kxy, aaz, htz, qxg,