Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2004TAHOE 4WD V8-5.3L VIN TREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASERELAYS AND MODULES - TRANSFER CASECONTROL MODULESERVICE AND REPAIRBW 4482-NR4TRANSFER CASE CONTROL MODULE REPROGRAMMING
2004 Chevrolet Tahoe 4WD V8-5.3L VIN T
Transfer Case Control Module Reprogramming
2004 Chevrolet Tahoe 4WD V8-5.3L VIN TSECTION 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.
^ Turn OFF all accessories.
^ 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.
9. Select "Normal" for Programming Type.
10. Select the applicable software calibrations.
11. Transfer data file to the scan roof.
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.
15. Press the Program button on the scan tool.
Programming Using Scan Tool Pass-Through Connection
1. Connect the scan tool to vehicle and power it up.
2. Connect the computer station to the scan tool.
3. Select "PC Using Scan Tool Connection" from the programming menu on the computer station.
4. 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).
5. Select "vehicle" from the selection menu.
6. Select the module you wish to program.
7. Select "Normal" for Programming Type.
8. Select the applicable software calibrations.
9. Transfer data file to the scan tool.
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.
^ Turn OFF all accessories.
^ 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.
9. Select "Normal" for Programming Type.
10. Select the applicable software calibrations.
11. Transfer data file to the scan roof.
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.
15. Press the Program button on the scan tool.
Programming Using Scan Tool Pass-Through Connection
1. Connect the scan tool to vehicle and power it up.
2. Connect the computer station to the scan tool.
3. Select "PC Using Scan Tool Connection" from the programming menu on the computer station.
4. 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).
5. Select "vehicle" from the selection menu.
6. Select the module you wish to program.
7. Select "Normal" for Programming Type.
8. Select the applicable software calibrations.
9. Transfer data file to the scan tool.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.