4 0 2013 Allison 2100 RDS Transmission Control Module (TCM) for a Freightliner M2 106 $575 USD (USED) Allison 2100 RDS Plug #: 1 Ref# 29551869 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Part Number29551869Stock Number25744633 MLS Number13368275CategoryTransmission Control Modules (TCM) Last Updated9/26/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info