Day: January 11, 2020

How-to-Program-an-Electronic-Control-Module-(ECM)-with-GM-SPS

How to Program an Electronic Control Module (ECM) with GM SPS

The Service Programming System (SPS) is a PC application that updates (programs or reprograms) the flash calibration files that are stored in a vehicle’s ECM. To do this, the application reads VIN information from the vehicle, extracts the correct update data from the SPS application’s data files, then updates the