This listing is for part number 12667002 ECM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the ECM you will need to provide us with your VIN so we can program the ECM before we ship it to you. This computer will fit these part numbers 12667002 12666070 12667189 

CAPRICE 17 Electronic Control Module; 3.6L
TRAVERSE 17 Electronic Control Module; (behind fan shroud)
XTS 17-19 Electronic Control Module; (3.6L), VIN 3 ( 8th digit, opt LFX )
ACADIA 17 Electronic Control Module; VIN J ( 11th digit, Limited ), (behind fan shroud)
ENCLAVE 17 Electronic Control Module; (behind fan shroud)
REGAL 17 Electronic Control Module; (LH engine compartment)
VERANO 17 Electronic Control Module
IMPALA 17-19 Electronic Control Module
EQUINOX 17 Electronic Control Module; (LH engine compartment)
TERRAIN 17 Electronic Control Module; (LH engine compartment)