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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 998 (Transfer Case - NVG 263-NP1) >> Repair Instructions >> Transfer Case Control Module Reprogramming >> Programming Using Scan Tool Pass-Through Connection

Programming Using Scan Tool Pass-Through Connection

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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 about the 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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