Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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2002 Through 2006 Model Year Vehicles (Except Saab Vehicles)

2002 through 2006 Model Year Vehicles (Except Saab Vehicles)

Important:
The Tech 2 diagnostic tool must be updated with version 28.002 or later in order to successfully perform the VCIM setup procedure and disable the analog system.

1. Connect the Tech 2 to the data link connector (DLC), which is located under the instrument panel of the vehicle.

2. Turn the Tech 2 ON by pressing the power button.

Important:
Tech 2 screen navigation to get to the setup procedure depends on the year and make of the vehicle. The actual name of the setup procedure (Setup New OnStar or VCIM Setup) depends on model year and vehicle make as well. Example Tech 2 navigation to the setup procedure Tech 2 screen is provided below.

^ Diagnostics >> (2) 2002 >> Passenger Car >> Body >> C >> OnStar >> Special Functions >> Setup New OnStar >>

^ Diagnostics >> (5) 2005 >> Passenger Car >> (4) Buick >> C >> Body >> Vehicle Comm. Interface Module >> Module Setup >> VCIM Setup >>

3. Setup VCIM using the Tech 2. Follow on-screen instructions when you have reached the setup Tech 2 screen.