View 0 Photos View 0 Videos Detroit DT12 Transmission Control Module (TCM) for a 2021 Freightliner Cascadia 126 Newly Listed $550 USD DT12OA TCM PN#4463535051, Serial#: A0504464209/003, Engine Make: Detroit, Engine Model: DD15 ConditionUsedEngine ModelDetroit DD15Fits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Stock Number20824-25 MLS Number14495714CategoryTransmission Control Modules (TCM) Last Updated7/21/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info