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Duramax First Generation: 2001-2004 (LB7) Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 11-05-2006, 08:41 PM   #1 (permalink)
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2001 Duramax/allison fault code P1781

Not fatal, but Need help. Thanks.


Wil
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Old 11-05-2006, 08:45 PM   #2 (permalink)
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Allison trans codes
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Old 11-05-2006, 09:20 PM   #3 (permalink)
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That new DTC lookup sticky is pretty cool!

http://www.dieselplace.com/forum/dtc...h=Get+DTC+Info
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Old 11-06-2006, 10:27 AM   #4 (permalink)
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Thanks for all your help guys, It seems the trouble started with a weak battery. Thanks again, keep up the good help.
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