This listing is for part number 12587465 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 computer is used and came from a salvaged vehicle. This part is compatible with the following service numbers 12587465 12586547 15576920
DEVILLE 05 Electronic Control Module; (LH engine compartment), ID 12587465
DEVILLE 04 Electronic Control Module; (LH engine compartment)
SEVILLE 04 Electronic Control Module; (LH engine compartment)