GMC Tech 2 User Manual page 99

SECTION VIIC
Programming
10. After downloading information from the PC to the Tech 2, return to the vehicle. At the Tech 2 title
screen, select Enter. To execute the SPS application, press F1 on the Tech 2 keypad or highlight
Service Programming System on the Main Menu screen
or highlight Program ECU, then select Enter
11. The New Programming Data screen that appears next
calibration numbers. Verify that the VIN is correct, then press the Continue softkey.
12. At the next Tech 2 SPS screen
consuming devices. Turn the ignition on with the engine off. Make sure the battery is fully charged.
Then press the Continue softkey.
13. "Please wait," may briefly appear as programming begins. A percentage bar will track the progress of
the download (Figure
14. When programming is complete, the Programming Was Successful screen appears
Turn off the ignition and press the Continue softkey.
NOTE: Error screens you may encounter are shown in figures VIIC-26 and VIIC-27.
Figure VIIC-22
Program ECU option selected
Figure VIIC-23
New Programming Data
Figure VIIC-24
Programming in Progress
Figure VIIC-25
Programming Was Successful
(Figure
(Figure VIIC-19), follow the on-screen instructions: Turn off all power
VIIC-24).
SERVICE PROGRAMMING SYSTEM
(Figure VIIC-13), then press Enter. Select F1
VIIC-22).
(Figure VIIC-23) contains VIN and software
Figure VIIC-26
Programming failed!
Figure VIIC-27
Tech 2 SPS Error - No Communications with
Vehicle instructional screen
2005 Tech 2 User's Guide
RETURN TO MAIN MENU
(Figure VIIC-25).
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