This listing is for part number 12600940 12585814 YHTZ PCM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the PCM you will need to provide us with your VIN so we can program the PCM before we ship it to you.
This part will fit these makes and models with these options
CTS 05 Electronic Control Module; (RH engine compartment), Base, ID 12585814
STS 05-07 Electronic Control Module; (RH engine), 3.6L
STS 05-07 Electronic Control Module; (RH engine), 3.6L