2006 Allison 2500PTS, , Transmission ECMs, Fits to: Other Other, (USED) 2005 Allison, TCM. S/N-BKDYPSM151083QY7 P/N-29542725 Model-2500PTS For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# BKDYPSM151083QY7, Casting# BKDYPSM151083QY7, Truck Year 2006