2006 GMC Truck Envoy 2WD Envoy_Rainier__TrailBlazer_Ascender_(VIN SITL Service Manual Accessories Cellular Communication Repair Instructions Document D: 1738191

Automobile Manual Summary

The manual provides details on the communication interface module replacement procedure for the 2006 GMC Truck Envoy 2WD. It is essential to record the 10-digit STID number and the 11-digit ESN number from the new module’s labels during replacement.

Removal and Installation Procedure

Follow the steps outlined in the manual to remove and reinstall the VCI M, including releasing the retaining tab, disconnecting the electrical connectors, and tightening the thumb screw.

After replacing the VCI M, it is crucial to reconfigure the OnStar@ system to avoid additional customer visits for repair.

Manual:

Download: 2006 GMC Truck Envoy 2WD Envoy_Rainier__TrailBlazer_Ascender_(VIN SITL Service Manual Accessories Cellular Communication Repair Instructions Document D: 1738191

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