TrailBlazer 4WD V8-6.0L (2007)
Installation Procedure
1. Install the transfer case control module (1) to the mounting bracket.
2. Connect the three electrical connectors to the transfer case control module.
3. Install the transfer case control module and mounting bracket to the instrument panel mag beam.
4. Install the left side closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side.
5. Install the access panel.
6. Program the transfer case shift control module. Refer to Transfer Case Control Module Reprogramming.
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. Before reprogramming close the doors and wait two minutes to allow other
modules to stop communicating via the class 2 data line. Failure to due so could result in a failed reprogramming procedure.