If you selected a controller that requires additional information, an information request dialog box appears.If this dialog box appears, do the following.(Otherwise, skip this step.)Ī) Obtain the required information using the Tech 2 or Next Generation scan tool as follows: Depending on which controller and programming type you entered, this displays either the Calibration Selection window or a a dialog box requesting more information (reconfigure information, a part number, or the VCI number).ġ0.
Note: The Reconfigure selection is not supported for all vehicles, it is not recommended to choose this selection.Ĭ) Click the Next button to continue. Also select VCI under Select Programming Type to program (calibrate) a vehicle for a different transmission or to calibrate the speedometer for changed tire size or axle ratio.
Once the VCI number is obtained, select VCI (Vehicle Configuration Index) under Select Programming Type to update an existing calibration or to program a new controller on new vehicles for which the VIN code is not yet in the SPS database.
Note: If an option window appears, enter all of the information required and then click the Next button to continue.
This displays the Supported Controllers window. Verify the VIN that is automatically read from the vehicle (compare it to the vehicle VIN plate) or manually enter the VIN. An SPS warning message may appear to warn that you must input the VIN number. a) booster pack, but not a battery charger!ħ.Make sure the vehicle key is in the run position and the battery is fully charged.Then make sure the scan tool displays the GM Reflash Pass-Thru Mode screen.ĬAUTION: Do not change the baud rate after starting the programming process. Use Exit to return to the Service Programming screen.
Set the baud rate for the PC by selecting CONFIGURATION > I/O management > Pass-thru > Properties > Baud >38400, 57600, or 19200 (whichever works best) >OK.