This listing is for part number 24223207 TCM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the TCM you will need to provide us with your VIN so we can program the TCM before we ship it to you. The part is compatible with these part numbers 24222412 24223207 24229787
This part will fit these makes and models with these options
CTS 03 Transmission; (RH front engine compartment)