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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 614 (TRANSFER CASE - NVG 246-NP8 (TWO SPEED AUTOMATIC))REPAIR INSTRUCTIONSTRANSFER CASE CONTROL MODULE REPROGRAMMINGPROGRAMMING USING SCAN TOOL PASS-THROUGH CONNECTION
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Programming Using Scan Tool Pass-Through Connection
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Programming Using Scan Tool Pass-Through Connection
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the scan tool to vehicle and power it up.
- Connect the computer station to the scan tool.
- Select "PC Using Scan Tool Connection" from the programming menu on the computer station.
- 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).
- Select "vehicle" from the selection menu.
- Select the module you wish to program.
- Select "Normal" for Programming Type.
- Select the applicable software calibrations.
- 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.