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GMC Tech 2 - Page 92

GMC Tech 2
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SECTION VIIC SERVICE PROGRAMMING SYSTEM
2005 Tech 2 User’s Guide VII - 42
2.7 A Validate VIN screen (Figure VIIC-4) will appear. After confirming and/or entering the correct VIN,
select Next.
2.8 A Supported Controllers screen (Figure VIIC-5) will appear asking you to identify the type of
controller being programmed. Some vehicles may have more than one programmable controller —
examples include PCM, BCM, IPC. Select the appropriate controller for the vehicle being serviced.
After selecting the controller to be programmed, identify the type of programming to be performed:
Normal is used for updating an existing calibration or programming a new controller.
For newer vehicles that do not have VINs in the database, VCI (Vehicle Configuration Index) is
used for updating an existing controller or programming a new controller. For these vehicles, you
will need to contact Techline Customer Support at 1-800-828-6860 for assistance.
Reconfigure is used to reconfigure a vehicle, such as a truck, for changes in tire size & axle ratios.
2.9 After making selections, select Next.
Figure VIIC-4
Validate Vehicle Identification Number screen
Figure VIIC-5
Supported Controllers screen
Performing Remote SPS, Step 2, continued on next page...
IMPORTANT
If bulletins are listed together with the calibration files, refer to these service bulletins before performing
service programming.
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 software calibrations is not allowed.
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