Restore Your Vehicle’s Electrical System with a Plug-and-Play Solution
Are you chasing electrical gremlins in your GM truck or van? Flickering lights, malfunctioning power windows, a dead radio, or strange warning lights on the dash are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a host of frustrating and unpredictable problems. I’ve seen it hundreds of times in the shop: a perfectly good engine and transmission sidelined by a computer that’s lost its mind. This isn’t just an annoyance; it can affect vehicle security and safety systems.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM BCM and flash it with the latest official software, specifically programmed to your vehicle’s unique VIN. This critical step eliminates the need for an expensive trip to the dealership for programming. You get a reliable module that’s ready to communicate with your truck’s other systems right out of the box, restoring full functionality and peace of mind.
A Technician’s Notebook
A customer brought in his 2006 Silverado 2500 last month with a laundry list of bizarre issues. The dome light wouldn’t turn off, the driver’s side power window worked intermittently, and the security light was always on. He’d already replaced the battery and checked all the fuses. After connecting my scan tool, I saw multiple communication loss codes with the BCM. Instead of a complex wiring chase, we started with the most likely culprit. We installed a VIN-programmed 2003-2007 GM BCM, and it was like flipping a switch. All the phantom electrical issues vanished instantly. It’s a common failure point on these workhorses, and a pre-programmed module is the fastest way to get them back on the road.
Is Your Truck or Van Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system acting erratically or preventing the vehicle from starting.
- ✔ Radio or infotainment system turning off and on by itself.
- ✔ False warning lights on the instrument cluster (e.g., ABS, Airbag).
- ✔ Inconsistent or non-functional remote keyless entry.
A Straightforward Guide to Installation
For the confident DIYer, replacing the BCM is a manageable job. The key is our VIN programming service, which handles the complex software side for you. Follow these general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting any electrical work.
- Locate the BCM: On most Silverado, Sierra, and SSR models, the BCM is located under the steering column, often attached to a metal bracket. On Express and Savana vans, it’s typically found behind the center dash area.
- Remove and Replace: Carefully unplug the electrical connectors. They have locking tabs, so be gentle. Unbolt the old module and secure the new, pre-programmed one in its place. Reconnect all harnesses securely.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Relearn Procedures: After installing your new 2003-2007 GM BCM, a couple of final steps are crucial. You will need a capable diagnostic tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear the airbag light. Some vehicles may also require a brake pedal position sensor recalibration to ensure proper brake light and ABS function.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. It fits a wide range of GM vehicles. Please confirm your model and options below:
- Chevrolet Silverado 1500/2500/3500 (2003-2007 Classic): Fits non-Crew Cab models. Location is under the steering column.
- GMC Sierra 1500/2500/3500 (2003-2007 Classic): Fits non-Crew Cab models. Location is under the steering column.
- Chevrolet Express 1500/2500/3500 Van (2003-2007): Fits models without the commercial tradesman package (2004-07). Location is in the center dash.
- GMC Savana 1500/2500/3500 Van (2003-2007): Fits models without the commercial tradesman package (2004-07). Location is in the center dash.
- Chevrolet SSR (2003-2006): Direct fitment.
Important: After purchase, please send us your vehicle’s VIN. We cannot ship your order until we have programmed the module. This ensures a perfect match for your truck or van’s specific options.
Frequently Asked Questions
Do I need to do any programming after I receive this BCM?
No, the main programming is done by us before shipping. We flash the module with the latest GM software using your VIN. However, you will need to perform a ‘Setup SDM Primary Key’ procedure with a scan tool to sync it with your airbag system and potentially a brake pedal relearn.
What happens if I don’t provide my VIN?
We cannot process and ship your order without your vehicle’s 17-digit VIN. The programming is essential for the module to function correctly in your specific vehicle.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part that has been professionally programmed for your vehicle. It provides the same reliability as a new part without the high dealer cost.
Where is the BCM located on my 2005 Silverado?
On 2003-2007 Classic Silverado and Sierra pickups (non-Crew Cab), the BCM is located under the driver’s side dashboard, typically to the left of the steering column.
Will this fix my power window and door lock problems?
If the BCM is the root cause of the failure, then yes. A failing 2003-2007 GM BCM is a very common reason for erratic power window, lock, and lighting behavior on these vehicles.
What tools do I need for the post-installation procedures?
You will need a professional-grade automotive scan tool that has bidirectional control capabilities to perform the ‘Setup SDM Primary Key’ and brake pedal position sensor relearn procedures.