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 EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 901 (DATA COMMUNICATION SYSTEM)REPAIR INSTRUCTIONSBODY CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating BCM

Courtesy of GENERAL MOTORS CORP.

Install the BCM (1) into the bracket.
Ensure the BCM (1) is engaged in the bracket, under the retaining tabs (2).

Fig 2: Body Control Module & Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connectors (2) to the BCM (1).

Fig 3: Right Side Knee Bolster Trim Panel

Courtesy of GENERAL MOTORS CORP.

Install the right side knee bolster trim panel. Refer to Passenger Knee Bolster Replacement .
If you replaced the BCM, program the module. Refer to Body Control Module Programming and Setup .
Refer to Control Module References for programming and setup information.

RENDER: 1.0x

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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.