This listing is for a engine control module 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 part is compatible with the following services numbers: 12578554 12596771 12597191 12597883 19210071
This part will fit these makes and models with these options
ENVOY XL 05 Electronic Control Module; (LH engine), 5.3L
ENVOY XUV 05 Electronic Control Module; (LH engine), 5.3L
ENVOY 05 Electronic Control Module; 5.3L (LH engine)
GTO 05 Electronic Control Module; main (LH engine)
SAAB 9-7X 05 Electronic Control Module; (LH engine), 8 cylinder
CORVETTE 05 Electronic Control Module; (RH engine compartment)
ISUZU ASCENDER 05 Electronic Control Module; 5.3L (LH engine)
RAINIER 05 Electronic Control Module; (LH engine), 5.3L
SSR 05 Electronic Control Module; (next to air box)
TRAILBLAZER EXT 05 Electronic Control Module; (LH engine), 5.3L
ENVOY XUV 05 Electronic Control Module; (LH engine), 5.3L
ENVOY 05 Electronic Control Module; 5.3L (LH engine)
GTO 05 Electronic Control Module; main (LH engine)
SAAB 9-7X 05 Electronic Control Module; (LH engine), 8 cylinder
CORVETTE 05 Electronic Control Module; (RH engine compartment)
ISUZU ASCENDER 05 Electronic Control Module; 5.3L (LH engine)
RAINIER 05 Electronic Control Module; (LH engine), 5.3L
SSR 05 Electronic Control Module; (next to air box)
TRAILBLAZER EXT 05 Electronic Control Module; (LH engine), 5.3L