View 4 Photos View 0 Videos 2008 Allison C6500 Transmission Control Module (TCM) for a Chevrolet C6500 Recently Updated $350 USD Transmission Control Module, Base PN: 29545321, End Model PN: 94668488, Guaranteed Reprogrammable. Call DTI Trucks for More Information and Shipping Quotes ConditionUsedFits To Make(s)CHEVROLETFits To Model(s)C6500Stock Number79958 MLS Number14222384CategoryTransmission Control Modules (TCM) Last Updated5/12/2026 LocationWheat Ridge, CO, US Sold ByDTI Truck Parts (833) 614-___ SHOWNUMBERCall Seller Email Seller Save More Info