Restore Your GM Truck’s Electrical System with a VIN-Programmed BCM
As a technician with over two decades of experience under the hood, I’ve seen countless GM trucks and vans come into the shop with baffling electrical problems. The radio acts possessed, the power windows have a mind of their own, or the security light flashes for no reason. More often than not, the culprit is a failing Body Control Module (BCM). It’s the central hub for your vehicle’s comfort and convenience features, and when it goes, it can cause a cascade of frustrating issues. This is your direct-fit, reliable solution to get your vehicle back to normal without the hassle and expense of a dealership visit.
We make this repair simple. When you order this GM BCM 15194169, you provide us with your vehicle’s VIN. My team then programs the module with the latest GM software specific to your exact truck or van. This means when it arrives at your door, it’s ready to install. You’re not just buying a part; you’re buying a complete, hassle-free solution that restores the functionality you depend on every day.
A Technician’s Notebook: The Case of the Haunted Silverado
I remember a 2006 Silverado 2500 that came in with a laundry list of complaints from the owner. The dome light would flicker, the power locks worked intermittently, and the dreaded “Service 4WD” message was on, even though the transfer case was fine. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I found several communication error codes (U-codes) pointing to the BCM. Instead of a complex wiring issue, it was the module itself causing the network interference. We installed a VIN-programmed BCM, and like magic, all the ghost-like electrical issues vanished. It’s a classic example of how one single component, the GM BCM 15194169, can solve a host of problems.
Is Your GM Truck or Van Showing These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, there’s a strong chance your Body Control Module is the root cause:
- ✔ Erratic or non-functional power windows and door locks.
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ The security or anti-theft system light is illuminated, potentially causing a no-start condition.
- ✔ Horn honking unexpectedly or not working.
- ✔ Inaccurate or dead gauges on the instrument panel.
- ✔ Communication error codes, such as U0140, stored in other modules.
- ✔ The radio or infotainment system behaving strangely.
Your Straightforward BCM Installation Guide
Installing your pre-programmed BCM is a manageable job for a confident DIYer. While the exact location varies slightly, the process is generally the same. Always have your vehicle’s service manual handy for specific details.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to ensure all modules have powered down completely.
- Locate the BCM: On Silverado and Sierra pickups, the BCM is typically found under the driver’s side of the dashboard, near the steering column. For Express and Savana vans, it’s usually located behind the center dash trim.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions: windows, locks, lights, wipers, and horn.
- Post-Installation Procedures: In some cases, additional steps are needed. If your airbag light is on, a professional scan tool is required for the ‘Setup SDM Primary Key’ procedure. A ‘Brake Pedal Position Relearn’ may also be necessary.
Verified Fitment for Your GM Vehicle
This module is a direct replacement for several original part numbers, ensuring broad compatibility. Please verify your part number against this list. This BCM is guaranteed to fit the following vehicles with the specified options:
Replaces Part Numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
- Chevrolet Silverado & GMC Sierra 1500/2500/3500 (2003-2007 Classic): Fits non-Crew Cab models. Location is under the steering column. Please check specific year and transmission options in the compatibility chart.
- Chevrolet Express & GMC Savana 1500/2500/3500 (2003-2007): Fits models without the commercial tradesman package. Location is in the center dash area.
- Chevrolet SSR (2003-2006): Direct fitment.
Note: This is a partial list. Please use the detailed fitment data to confirm compatibility with your exact year, model, and options.
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the correct software and settings for your vehicle’s specific options. This ensures it works correctly right out of the box, saving you a trip to the dealership.
Is this a plug-and-play part?
Yes, because we program it to your VIN, it is designed to be a plug-and-play installation. However, as noted, some vehicles may require a simple relearn procedure for the airbag or brake pedal position sensor, which may require a capable scan tool.
Where is the BCM located on my truck?
On 2003-2007 GM trucks like the Silverado and Sierra, you’ll typically find the BCM under the driver’s side dashboard. On Express and Savana vans, it’s usually behind the center dash panel.
What happens if my airbag light comes on after installation?
This is not uncommon. It means the new BCM needs to be synced with the airbag system’s Sensing and Diagnostic Module (SDM). A professional mechanic will need to perform the “Setup SDM Primary Key in BCM” procedure with a diagnostic scan tool to resolve this.
Is there a core charge for this part?
No! We do not require you to send back your old, faulty module. There is no core charge associated with this purchase, saving you time and return shipping costs.
Will this fix my “Service 4WD” light?
In many cases, yes. A faulty BCM can disrupt communication on the vehicle’s data network, causing false warnings like the “Service 4WD” message. If the BCM is the source of the data error, replacing it will clear the message.