Envoy 4WD V8-5.3L VIN P (2004)
6. Install the knee bolster panel.
7. Install the access panel.
8. Program the transfer case shift control module.
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. Before reprogramming close the doors and wait two minutes to allow other modules to stop
communicating via the class 2 data line. Failure to due so could result in a failed reprogramming procedure.
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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. Disconnect the scan tool from the vehicle and 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/Reprogram.
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.
14. Select the Service Programming feature on the scan tool.
