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TCM for 2009 GMC Sierra 3500 HD 6.6 Duramax w/ Allison 1000 transmission

961 Views 2 Replies 3 Participants Last post by  davester3500
Trying to locate a transmission control module for this truck. Tried Google search and checked every source listed. GMC dealership says it is not available. HELP!
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Yeah, I'd be hitting up local junkyards, used-parts places, local guys parting out their trucks.
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