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 MANUALSCHEVROLET2006EXPRESS 3500 V8-6.0L VIN UREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULETESTING AND INSPECTIONPROGRAMMING AND RELEARNINGBODY CONTROL MODULE PROGRAMMING/RPO CONFIGURATION
2006 Chevrolet Express 3500 V8-6.0L VIN U
Body Control Module Programming/RPO Configuration
2006 Chevrolet Express 3500 V8-6.0L VIN USECTION Body Control Module Programming/RPO Configuration
BODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION
INTRODUCTION
The procedures below are designed to set-up the body control module (BCM) correctly during BCM related service. Before you start, read these procedures carefully and completely.
IMPORTANT: The following procedures must be followed:
1. Programming the BCM.
2. Programming Theft Deterrent System Components, if equipped with Passlock System.
PROGRAMMING THE BCM
IMPORTANT: After the procedure is completed, the personalization settings of the BCM are set to a default setting. Inform the customer that the personalization must be set again.
Perform the BCM special function "Request BCM Info. for SPS", then connect the scan tool to the SPS terminal and follow the instructions on the screen. Refer to Service Programming System (SPS) in Programming and Setup.
PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS
Perform the Programming Theft Deterrent System Components in Theft Deterrent after successfully finishing the Setup New BCM procedure. If the Programming Theft Deterrent System Components in the Theft Deterrent procedure is not performed after a BCM replacement, one of the following conditions will occur:
- The vehicle will not be protected against theft by the PASSLOCK system.
- The engine will not crank or start.
IMPORTANT: After programming, perform the following to avoid future misdiagnosis:
1. Turn the ignition OFF for 10 seconds.
2. Connect the scan tool to the data link connector.
3. Turn the ignition ON, with the engine OFF.
4. Use the scan tool in order to retrieve history DTCs from all modules.
5. Clear all history DTCs.
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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.