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    2006 GM Van module questions

    It appears NOT to have a FICM. Ok. Then if I use a 2006 A40 TCM with 6 speed Allison, it should just work? Were there multiple bus definitions used? I do not have good info on the van Allison installs that have been attempted, so I can't tell what year ECM/TCM combos have been tried. Also...
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    2006 GM Van module questions

    The van does have VIN 2 and LLY is on the RPO sticker, BUT it has the Bosch ECM.
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    2006 GM Van module questions

    Thanks for replying! I just found your response, since inexplicably this forum doesn't add threads I start to my watch list. The Allison swap into a van has been attempted, but it's apparently not that easy or it would have been done already. It's also difficult finding the people who've tried...
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    2006 GM Van module questions

    Thanks for responding! Yeah, I was looking at his user profile after I posted, but figured he's not the only one out there who knows stuff.
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    2006 GM Van module questions

    Updated link for quote: https://www.duramaxdiesels.com/forum/threads/need-help-on-the-electrical-side-of-a-swap.40943/#post-595266 I have a 2006 Duramax van. GM built the vans with the 4L85E transmission from 2006 through 2010, then used the 6L90 from 2011 through 2016. I'm interested in doing...