![]() Say you install a used IPC into your car and update that IPC to the latest calibration version, later you change your mind and you need to revert the IPC back to stock, you can use this trick to get the original files for your IPC if you don't already have them. ![]() ![]() This trick can be useful for various reasons. More than likely, all the files in the calibration package will need to be edited with the American marketed cars( I could be wrong on this). With the marketed European cars, only one file needs to be edited to carry out the trick. ![]() This method works best with GM's European marketed cars. I will demonstrate how to trick GM's online SPS into giving you the needed calibration files when the module is already updated to the latest calibration version, or has a different part number version for the car/VIN it was originally coded for.īefore you approach this method, you need to already have a set of calibration files for the editing process, maybe from a different car's Vin number, which is using the same specs module. It's beneficial to read up on this other tutorial to familiarise yourself with GM's calibration files concept if you're new.
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