C 1500 Truck 2WD V6-4.3L VIN X (2003)
34. Select the Program ECU function.
35. Select Continue.
36. Follow the on-screen instructions.
37. Select Continue.
38. Select Exit when the programming is complete.
39. Turn OFF the OBPA.
40. Turn OFF the Tech 2.
41. Disconnect the OBPA from the Tech 2 and the control module.
IMPORTANT: Wait 30 seconds after the OBPA is turned OFF before disconnecting the control module.
Off Board Pass-Thru Procedure
TOOLS REQUIRED
J 41207-C Off-Board Programming Adapter Kit
The 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 Tech 2.
For additional SPS information, refer to Service Programming System (SPS) Description.
IMPORTANT: Ensure the Tech 2 and the terminal are both equipped with the latest software before performing SPS.
Performing The Off Board Pass-Thru Procedure
1. Launch the TIS application in the terminal.
IMPORTANT: The TIS supports service programming with the Tech 2 scan tool only.
2. Select the Service Programming System.
3. Highlight the following information on the Select Diagnostic Tool and Programming Process Screen:
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Select Diagnostic Tool-Select Pass-Thru.
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Select Programming Process-Identify whether an existing module is being reprogrammed, or a module is being replaced with a new one.
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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.
IMPORTANT: In order to reduce the potential for signal loss, the RS-232 cable should NOT be more than 25 feet long.
7. Follow the on-screen instructions 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 OBPA.
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The Tech 2
IMPORTANT: Ensure the correct connector for the control module is used.
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:
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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
