Ascender 2WD V8-5.3L (2004)
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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.
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.
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
are not yet in the database.
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Reconfigure--Used to reconfigure a vehicle for changes in tire size and axle ratios.
14. Select Next.
15. Select a calibration selection on the Calibration Selection screen, if necessary.
16. Ensure all the desired calibration folder tabs have a green check mark.
17. Select Next.
18. Verify the current and selected calibration of the control module on the Summary screen.
19. Select Next.
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.
20. Select OK.
Important:
On model year 1996 and newer controllers, a crankshaft position (CKP) relearn procedure box may appear.
21. Select OK.
22. When programming is complete, a Program Controller/Programming Complete screen appears. Follow the on-screen instructions, if any.
23. Select Close.
24. Turn OFF the OBPA.
25. Turn OFF the scan tool.
Important:
Wait 30 seconds after the OBPA is shut OFF before disconnecting the control module.
26. Disconnect the OBPA from the Tech 2 and the control module.
