C. Reprogram the HVAC Control Head Module (Using StarMOBILE)

1. From the desktop, launch the "StarMOBILE Desktop Client" software.

2. Establish a connection with the StarMOBILE scan tool.

3. Starting at the "Home" screen, select "ECU View".

4. Select "HVAC Heat, Ventilation and A/C" from the list.

5. Select "More Options".

6. Select "ECU Flash".

7. Select "Browse for Files".

8. Highlight the required flash file and select "Download to Client".

9. Select "Close".

10. Select "Back" once.

11. Select "HVAC" file from the list.

12. Select "Update Controller" and follow the screen prompts.

13. When the flash is complete, press the "OK" button.

14. Select "Back" once.

15. Select "ECU Details".

16. Verify the HVAC control head part number. The new part number displayed on the scan tool must be either 55111310AA or 55111309AA.

17. Clear any Diagnostic Trouble Codes (DTCs) as follows:

NOTE:
Due to the HVAC control head programming procedure, DTC(s) may be set in other modules (PCM, TCM, ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.

a. From the "Home" screen select "System View".

b. Select "All DTCs".

c. Place the ignition in the "OFF" position until all DTC's (except TIPMCGW) clear from the screen.

NOTE:
This will allow the CAN bus to "power down." This will also change the HVAC DTC from "Active" status to "Stored" status.

d. Place the ignition in the "RUN" position.

e. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.

18. Turn the ignition to the "OFF" position and remove the StarMOBILE and battery charger from the vehicle.