Allison N/A, Transmission ECMs, (GOOD USED) 2012 Allison Transmission Control module (TCM) Part # 29549402 For Sale, 12/24V, Model No. A54, e11, 10R022849, Supplier Part # ATA5401, Customer P/N HEVSF081, Device: TCM_IO, H 40/50 EP, SID: 68-SF081-002-Y, Serial # BK9402N422620625, Stock # 8422 | Tested & Inspected!