K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
1. Install the shift control module to the bracket.
2. Connect the shift control module electrical connectors.
3. Start the engine and test the automatic transfer case system for proper shift operation.
Transfer Case Control Module Reprogramming
Transfer Case Control Module Reprogramming
Set-up for Module
Programming/Reprogramming
Important: Ensure that the vehicle battery is fully charged and that a battery charger is no longer connected. If performing this procedure for module
replacement, install new module before proceeding.
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Turn OFF all accessories.
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Turn ON the ignition, with the engine OFF.
Remote Programming Feature
1. Connect the scan tool to the vehicle.
2. Power-up the scan tool and select the Service Programming feature.
3. Select the appropriate vehicle.
4. Press the Request Info button on the scan tool.
5. Connect the scan tool to the computer station.
6. Follow the menu select items for reprogramming and provide information as to what type of device you are programming and whether you are
reprogramming or replacing the electronic control unit (ECU).
7. Select "vehicle" from the selection menu.
8. Select the module you wish to Program.
9. Select "Normal" for Programming Type.
10. Select the applicable software calibrations.
11. Transfer data file to the scan tool.
12. Reconnect the scan tool to the vehicle.
13. Turn ON the ignition, with the engine OFF.
