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2500HD/3500 HD Trucks & Drivetrain Discussion Forum for the 2001 & newer 2500HD/3500 Trucks, Transmissions & Drivetrain

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Old 04-28-2017, 07:24 PM
Tractorhauler Tractorhauler is offline
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Join Date: Aug 2001
Location: Scottsbluff, NE. USA
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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
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Old 05-25-2017, 09:24 PM
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gary_lucas gary_lucas is offline
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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...
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