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Home >> GMC >> 2002 >> Envoy 4WD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Transfer Case (NVG226-NP8) >> Repair Instructions >> Transfer Case Control Module Reprogramming >> Set-up for Module Programming/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.