How to program an electronic control module ( ECM ) with GM?
How to program an electronic control module ( ECM ) with GM? a) In the Select Diagnostic Tool area, select Pass-Thru. Note: The Information Only/PROM Data option displays PROM or calibration data for a vehicle. b) In the Select Programming Process area, select one of the following: Select Reprogram ECU to reprogram (reflash or calibrate) the selected ECM (ECU). How to program an ECM with GM SPS? For the Next Generation scan tool, press the power key to turn on the scan tool and then select GM SPS Reprogramming. Set the baud rate for the PC by selecting CONFIGURATION >...