Originally Posted by
tunerpro
You need to have a dealership, or someone with a J2534 device and GM SPS2 subscription program the ECM. This step puts the correct calibration in it, along with the VIN. Then, you need to perform an immobilizer learn. This also requires J2534 / GM SPS2. Then, because your vehicle has a manual transmission, you'll need to perform a clutch pedal position learn procedure (J2534 / GM SPS2), and finally a CASE learn (J2534 / GM SPS2, some aftermarket tools like Modis can do this also).