Sierra 1500 4WD V8-4.8L VIN V (2004)
1. If a NEW control module is being installed, program the new module.
2. Install the shift control module to the bracket.
3. Connect the shift control module electrical connectors.
4. 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 a 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 do 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.
