Powertrain Control Module (PCM) - Remote Programming

1. Turn OFF the ignition.
2. Install the Tech 2 to the data link connector (DLC).
3. Turn ON the ignition, with the engine OFF.
4. Turn OFF all vehicle accessories.
5. With the Tech 2, select Service Programming.
6. Identify vehicle information as requested by the Tech 2.
7. Select the type of module you are programming.
8. Select the type of programming to be performed.
9. Verify the displayed VIN with the vehicle VIN. If the displayed VIN does not match the actual VIN, write down the actual VIN and correct the VIN at the Techline terminal.
10. When complete, Exit Service Programming.
11. Turn OFF the Tech 2 and disconnect the Tech 2 from the vehicle.
12. Turn OFF the ignition.
13. Connect the Tech 2 to the Techline terminal.
14. Select Service Programming.
15. Select Tech 2 as the tool you are using.
16. Select the type of programming to be performed.
17. Verify the displayed VIN with the vehicle VIN. Correct the VIN as necessary.
18. Select the type of module you are programming.
19. Identify what type of programming that you are performing.
^ Normal - This type of programming is for updating an existing calibration or programming a new controller.
^ Vehicle Configuration Index (VCI) - This selection is used if the vehicle VIN is unavailable or not recognized by the Techline terminal. Observe, you will need to contact the Techline Customer Support center to use this option.
^ Reconfigure - This is to reconfigure a vehicle, such as tire size and axle ratio changes.
20. Select the appropriate calibration file.
21. Ensure all connections are secure.
22. Select Reprog to initiate the download of the new calibration to the Tech 2.
23. After the download is complete, turn OFF the Tech 2.
24. Disconnect the Tech 2 from the Techline terminal.
25. Install the Tech 2 to the data link connector (DLC).
26. Turn ON the Tech 2
27. Turn ON the ignition, with the engine OFF.
28. Select Service Programming.

IMPORTANT: DO NOT turn OFF the ignition if the programming procedure is interrupted or unsuccessful. Ensure that all the PCM and DLC connections are secure and the Techline operating software is up to date. Attempt to reprogram the control module. If the control module cannot be programmed, replace the control module.

29. Select Program.
30. After the download is complete, EXIT Service Programming.
31. Turn OFF the ignition for 30 seconds.
32. Turn OFF the Tech 2.
33. If a control module is replaced the following service procedures must be performed:
^ CKP System Variation Learn Procedure
^ GM Oil Life System Resetting
^ Inspection/Maintenance (I/M) Complete System Set Procedure
^ Programming Theft Deterrent System Components