Weller Truck Parts remanufactured T14 Transmission Control Module (TCM) for GM trucks with LMM or LML Duramax engine and Allison 1000 6 speed transmission. Reman in the USA! Price includes programming to the vehicle's VIN with the latest calibration version. When ordering please give the VIN to the sales associate. T14 and T14A TCMs ship out of Grand Rapids, Michigan and usually ship within 24 business day hours of the order and VIN being received. This TCM was used in the following applications: 2009-2015 Chevrolet Silverado 2500 HD 6.6L DSL 2009-2015 Chevrolet Silverado 3500 HD 6.6L DSL 2009-2015 GMC Sierra 2500 HD 6.6L DSL 2009-2015 GMC Sierra 3500 HD 6.6L DSL Common interchange part numbers: 19431596, 19434978, 19435614, 24252363, 24256670, 24256861, 24257038, 24257092, 24259874, 24261308, 24266710, 25798353, 28411009, 591-01948, 609-211, 702541AT, 736861F