This listing is for a 12569773 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 the following part numbers: 12597521 12569773 19209820 19209821

COLORADO 04-06 Electronic Control Module; (RH firewall)
RAINIER 06 Electronic Control Module; (LH engine), 4.2L
HUMMER H3 06 Electronic Control Module; (RH firewall)
ISUZU ASCENDER 06 Electronic Control Module; 4.2L (LH engine)
ISUZU I-350 06 Electronic Control Module; (RH firewall)
TRAILBLAZER 06 Electronic Control Module; (LH engine), 4.2L
TRAILBLAZER EXT 06 Electronic Control Module; (LH engine), 4.2L
ENVOY XL 06 Electronic Control Module; (LH engine), 4.2L
ISUZU I-280 06 Electronic Control Module; (RH firewall)
SAAB 9-7X 06 Electronic Control Module; (LH engine), 6 cylinder, ID 12569773
SAAB 9-7X 06 Electronic Control Module; (LH engine), 6 cylinder, ID 12597521
CANYON 04-06 Electronic Control Module; (RH firewall)
ENVOY 06 Electronic Control Module; 4.2L (LH engine)