C 1500 Truck 2WD V6-4.3L VIN X (2003)
6. Follow the directions on the Preparing for Communication screen for connecting the following components:
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The control module
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The Off-Board Programming Adapter (OBPA)-Refer to the TIS Users Guide for a listing of the OBPA.
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The Tech 2
IMPORTANT: Ensure the correct connector for the control module is used.
7. Select the Service Programming Request Information function on the Tech 2.
8. Follow the Tech 2 instructions to obtain the module data and security information.
9. After the Tech 2 has received the data from the module, exit the Request Info mode.
10. Disconnect the Tech 2 from the OBPA.
11. Turn OFF the Tech 2.
12. Connect the Tech 2 to the terminal.
13. Turn ON the Tech 2.
14. Select Next at the terminal after the Tech 2 start-up screen appears.
15. Enter the VIN of the vehicle that will be receiving the control module.
16. Select Next.
17. Select the type of programming to be performed from the following categories:
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Normal-Used for updating an existing calibration or programming a new controller.
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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.
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Reconfigure-Used to reconfigure a vehicle for changes in tire size and axle ratios.
IMPORTANT: When selecting the vehicle configuration index (VCI) programming type, a valid VCI number for the vehicle must be entered. This
number may be obtained from Techline Customer Support.
18. Select Next.
19. Select a calibration on the Calibration Selection screen, if necessary.
20. Ensure all the desired folder tabs have a green check mark.
21. Select Next.
22. Verify the current and the selected calibration of the control module on the Summary screen.
23. Select Next.
24. Select OK.
IMPORTANT: Select Cancel if you receive a message stating that the calibration selected is already the current calibration in the control module
and reprogramming with the same download is not allowed.
25. On model year 1996 and newer controllers, a crankshaft position (CKP) relearn procedure box may appear. Select OK.
26. Follow the on-screen instructions, if any, when the Program Controller/Programming Complete screen appears.
27. Select Close.
28. Turn OFF the Tech 2.
29. Disconnect the Tech 2 from the terminal.
30. Connect the Tech 2 to the OBPA.
31. Turn ON the Tech 2.
32. Select Enter at the title screen.
33. Select the Service Programming System at the Main Menu.
