Off-Board Pass-Thru Programming Chevrolet Chevy Express H2500

Off-Board Pass-Thru Programming

Note. The Off-Board Programming Adapter Kit (J 41207-C) is required when a module must be programmed without having the vehicle present. The adapter allows the module to be turned ON and communicate with the scan tool.

1. Launch the TIS application at the terminal.
2. Select the SERVICE PROGRAMMING SYSTEM.
3. Highlight the following information on the Select Diagnostic Tool and Programming Process Screen: Select DIAGNOSTIC TOOL, then select PASS-THRU. Select PROGRAMMING PROCESS. Identify whether an existing module is being reprogrammed or a module is being replaced with a new one. Select ECU LOCATION. Select OFF-BOARD PROGRAMMING ADAPTER.
4. Select NEXT.
5. Complete all terminal-directed data at the Preparing for Communication/Determine Vehicle screen until NEXT is highlighted.
6. Select NEXT.
7. Follow the on-screen instructions for connecting the following components: The control module. The Off-Board Programming Adapter (OBPA). Refer to the TIS users guide for a listing of the OBPA. The Tech 2®.
8. Select NEXT.
9. Pass-Thru displays the VIN stored in the control module. If a new control module is being programmed, enter the correct VIN of the vehicle.
10. Select NEXT.
11. Select the appropriate options if the Options screen appears.
12. Select NEXT.
13. Select the type of programming to be performed from the following categories: NORMAL - Used for updating an existing calibration or programming a new controller. VEHICLE CONFIGURATION INDEX (VCI) - Used for updating an existing controller or programming a new controller for newer vehicles whose VINs are not yet in the database. RECONFIGURE - Used to reconfigure a vehicle for changes in tire size and/or axle ratios.
14. Select NEXT.
15. Select a calibration on the Calibration Selection screen, if necessary.
16. Ensure all the desired folder tabs have a green check mark.
17. Select NEXT.
18. Verify the current and the selected calibration of the control module on the Summary screen.
19. Select NEXT.
20. Select OK.
21. On model year 1996 and newer controllers, a Crankshaft Position (CKP) relearn procedure box may appear. Select OK.
22. Follow the on-screen instructions, if any, when the Program Controller/Programming Complete screen appears.
23. Select CLOSE.
24. Turn OFF the OBPA.
25. Turn OFF the Tech 2®.
26. Disconnect the OBPA from the Tech 2® and the control module.