New OEM Genuine Ford ECM Engine Control Module new in the box - never installed! Note! The number on the ECM white sticker must match either AA5A-12B684-CA or AA5A-12B684-CB. No other number on the ECM matters - below is a list of all the part numbers this fits...as long as you have one of these two numbers however on the ECM, all other numbers do not matter. Fits 3.5 turbo models only in the following: 2010-2012 Taurus SHO, Flex, MKS, MKT Per Ford TSB 14-0059, replace any ignition coil-on-plug and spark plugs associated with diagnostic trouble codes before replacing the PCM. ???????Note!! This item cannot be self-installed or installed with any other system that with Ford IDS programming software. There are only 2 businesses in the country (FS1 in NY and Protech Auto Systems in FL) who can program this outside of the vehicle...all others must be programmed IN the vehicle with Ford only system called Ford Integrated Diagnostic Software (IDS). A shop can subscribe to this but no other system can program this NEW ECM. It is not returnable if installed. Here is a list of the part numbers and label numbers this fits: ??????? Model Year Sticker Part Number Ford Part Number Engine PROM CODE Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HA AA8Z-12A650-HA 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HB AA8Z-12A650-HB 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HC AA8Z-12A650-HC 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HD AA8Z-12A650-HD 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HE AA8Z-12A650-HE 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HF AA8Z-12A650-HF 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-HG AA8Z-12A650-HG 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JA AA8Z-12A650-JA 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JB AA8Z-12A650-JB 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JC AA8Z-12A650-JC 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JD AA8Z-12A650-JD 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JE AA8Z-12A650-JE 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JF AA8Z-12A650-JF 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-JG AA8Z-12A650-JG 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LA AA8Z-12A650-LA 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LB AA8Z-12A650-LB 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LC AA8Z-12A650-LC 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LD AA8Z-12A650-LD 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LE AA8Z-12A650-LE 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LF AA8Z-12A650-LF 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-LG AA8Z-12A650-LG 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MA AA8Z-12A650-MA 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MB AA8Z-12A650-MB 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MC AA8Z-12A650-MC 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MD AA8Z-12A650-MD 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-ME AA8Z-12A650-ME 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MF AA8Z-12A650-MF 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-MG AA8Z-12A650-MG 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO 2010-2012 AA8A-12A650-RA AA8Z-12A650-RA 3.5 AA5A-12B684-CA, AA5A-12B684-CB Flex, MKS, MKT, Taurus SHO (description exceeds maximum possible length)