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Thread: Check engine light 2015 Duramax Allison. Towing 15K

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  1. #1
    Join Date
    Aug 2001
    Location
    Scottsbluff, NE. USA
    Posts
    204

    Default Check engine light 2015 Duramax Allison. Towing 15K

    I was just in the last mile of a 111 mile gooseneck tow. Heading home after a turn D.C. Highway. The Allison lurched into a lower gear and she went into limp mode. Check eng light came on. She is running well unhooked from trailer now. Going to get codes in morning. No high temps at all were happening
    What codes should I look for. Can they be reset.


    Talk to y'all in AM

    Mark
    2007.5 GMC SLE 2500 HD LMM **SOLD**
    Owned 2006 GMC Sierra CC LLY/LBZ *2 not a D in SN* 214K Purchased 3/2010
    CC/SB/4x4 Summit White
    Owned a 2002 GMC CC LB7 CC sold with 135K
    Now 2015 GMC Crew Cab Duramax/Allison
    Custom Tool box

  2. #2
    Join Date
    May 2012
    Location
    Langley
    Posts
    369

    Default

    Any info on this? I've had something similiar, but cleared the code and it never re-appeared. I wrote it down somewhere... About 3 years ago...
    GMC Sierra 2500hd 2004.5 now with ARP studs

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