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Old 11-05-2006, 07:41 PM   #1 (permalink)
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2001 Duramax/allison fault code P1781

Not fatal, but Need help. Thanks.

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Old 11-05-2006, 07:45 PM   #2 (permalink)
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Allison trans codes
SOLD....04 Sierra CC SB 4x4
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Old 11-05-2006, 08:20 PM   #3 (permalink)
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That new DTC lookup sticky is pretty cool!


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Old 11-06-2006, 09:27 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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