Is Your GM Truck or Van Acting Possessed?
Are you dealing with a frustrating mix of electrical problems? Maybe the dome lights won’t turn off, the power windows have a mind of their own, the radio acts up, or you’re seeing a persistent “Security” light on the dash. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). In my 20+ years as a technician, I’ve seen these exact issues on hundreds of 2003-2007 GM trucks and vans. The BCM is the central hub for your vehicle’s body electronics, and when it fails, it creates chaos.
The Direct Solution: A VIN-Programmed BCM
Forget expensive diagnostic fees and a trip to the dealership. We offer a reliable, direct-fit GM Body Control Module that arrives at your door pre-programmed for your specific vehicle. Simply provide us with your Vehicle Identification Number (VIN) after purchase, and our experts will flash the module with the latest GM software and your vehicle’s precise configuration. This ensures a seamless installation and restores full functionality without the need for specialized dealer tools.
Expert Pro Tip from a 20-Year Tech
Before you install your new BCM, take a close look at the area around the old module, especially in trucks where it’s under the steering column. I’ve traced many BCM failures back to a small water leak from a compromised windshield seal or a clogged A/C drain. A damp carpet is a major red flag. Fixing the source of any moisture intrusion is the best way to ensure your new module has a long, trouble-free life.
Symptoms of a Failing GM Body Control Module:
- ✔ Erratic or non-functional power windows and door locks
- ✔ Interior or exterior lights staying on or not working at all
- ✔ The security system preventing the vehicle from starting
- ✔ Intermittent wiper operation or wipers that won’t park correctly
- ✔ False warnings or messages on the driver information center (DIC)
- ✔ Problems with the radio or climate control functions
Simple Installation Guide
Replacing the BCM is a straightforward job you can do with basic hand tools. While the exact location varies, the process is similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery.
- Locate the BCM: On Silverado & Sierra pickups, it’s typically under the driver’s side dash, near the steering column. On Express & Savana vans, it’s usually located in the center of the dash.
- Remove Trim Panels: Carefully remove any plastic trim panels necessary to access the module.
- Disconnect and Remove: Unplug the electrical connectors. They have locking tabs, so be gentle. Then, unbolt or unclip the old BCM from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed module in place and securely reconnect all electrical connectors.
- Reassemble and Reconnect: Put the trim panels back on and reconnect the negative battery terminal.
CRITICAL: Post-Installation Procedures Required
Once the new module is installed, two final steps are necessary to ensure all vehicle systems communicate correctly. These procedures require a professional-grade diagnostic scan tool (not a basic code reader).
- Airbag System (SRS): You must perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag’s Sensing and Diagnostic Module (SDM). If this is not done, the airbag warning light will remain illuminated.
- Brake System: Some vehicles may require a ‘Brake Pedal Position Sensor Calibration’ to ensure the brake lights and stability control systems function correctly.
If you are not equipped to perform these steps, we strongly advise seeking assistance from a qualified local mechanic.
Guaranteed Fitment and Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. It is guaranteed to fit and function correctly in the following models, provided you supply the correct VIN for programming.
This module replaces the following part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
Fits Models Including:
- 2003-2006 Chevrolet Silverado & GMC Sierra 1500/2500/3500 (exc. Crew Cab)
- 2007 Chevrolet Silverado & GMC Sierra ‘Classic’ (exc. Crew Cab)
- 2003-2007 Chevrolet Express & GMC Savana 1500/2500/3500 Vans
- 2003-2006 Chevrolet SSR
Please verify the detailed fitment list to confirm compatibility with your specific trim and options.