Solve Your GM Truck’s Electrical Headaches
Are you chasing down bizarre electrical problems in your Chevrolet Suburban 2500? One minute the power windows work, the next they don’t. The A/C blower motor has a mind of its own, and a persistent airbag light stares back at you from the dash. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your truck’s body electronics, and when it starts to fail, it can create a cascade of frustrating and difficult-to-diagnose issues. This replacement BCM, compatible with part number 15194170, is the definitive solution to restore order and reliability to your vehicle.
We make this repair easier than ever with our professional Cloning Service. Instead of buying a blank module and paying for an expensive trip to the dealership for programming, you send us your original BCM. We transfer all the critical vehicle-specific data—including key fob information and security settings—to this replacement unit. The result is a true plug-and-play part that is ready for installation right out of the box, saving you significant time and money. This process ensures seamless integration with your vehicle’s existing systems, making it the preferred choice for both DIY mechanics and professional repair shops.
Real-World Repair Story
Real-World Repair Story
A customer brought in his ’05 Silverado 2500, a sister truck to the 2003-2006 Suburban 2500 BCM platform, with a laundry list of complaints. The radio would cut out, the driver’s side door lock wouldn’t respond, and the security light would flash intermittently, sometimes causing a no-start. He’d already replaced the battery and checked all the fuses. After connecting my scanner, I found a slew of communication DTCs and a B1001 code. In my 20+ years of experience, these ‘shotgun blast’ electrical faults almost always point to a failing BCM. The internal circuits and solder joints fracture over time from heat and vibration. We performed our cloning service on a replacement module, and the customer installed it in under 10 minutes. All the ghost-like issues were gone instantly. It’s a common failure, but with the right part, it’s a simple fix.
Is Your GM Truck Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s highly likely your Body Control Module is the culprit:
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ The HVAC system or blower motor works sporadically or not at all.
- ✔ An active airbag warning light on the dashboard, often accompanied by DTC B1001 (Option Configuration Error).
- ✔ The security system malfunctions, leading to a no-start or crank-no-start condition.
- ✔ Erratic behavior from windshield wipers or exterior lighting.
- ✔ A network of communication codes or other body-related DTCs stored in the system.
A Straightforward Guide to BCM Installation
Replacing your BCM is a simple process that most vehicle owners can complete with basic hand tools. Follow these steps for a successful installation:
- Step 1: Send Us Your Original Module. After placing your order, you’ll ship your original BCM to us. Our cloning service requires your factory module to transfer the data.
- Step 2: Locate the BCM. In most compatible trucks and SUVs, the BCM is located under the driver’s side of the dashboard, near the steering column.
- Step 3: Disconnect the Battery. Before unplugging any electronics, always disconnect the negative battery terminal to prevent electrical shorts and reset the vehicle’s systems.
- Step 4: Swap the Modules. Carefully unplug the electrical connectors from your old BCM and remove it from its mounting bracket. Install the newly cloned module in its place and securely reconnect all harnesses.
- Step 5: Reconnect and Test. Reconnect the negative battery terminal. Start the vehicle and test all functions: lights, locks, windows, HVAC, and wipers to confirm the repair.
Note on Post-Installation Procedures: In some cases, a ‘Setup SDM Primary Key in BCM’ or ‘Brake Pedal Position Relearn’ may be needed if you see a related warning light. This requires a bi-directional scan tool. However, our cloning service minimizes the need for these relearns in most situations.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15194170 and other interchangeable numbers. It is guaranteed to fit the following models:
AVALANCHE 1500/2500 (2003-2006)
SILVERADO 1500/2500/3500 PICKUP (2003-2007 Classic)
SUBURBAN 1500/2500 (2003-2006)
TAHOE (2003-2006)
EXPRESS 1500/2500/3500 VAN (2004-2007, w/ opt PRP)
GMC:
SIERRA 1500/2500/3500 PICKUP (2003-2007 Classic)
SIERRA DENALI (2003-2007 Classic)
YUKON & YUKON XL 1500/2500 (2003-2006)
SAVANA 1500/2500/3500 VAN (2004-2007, w/ opt PRP)
Cadillac:
ESCALADE, ESV, EXT (2003-2006)
Hummer:
H2 (2003-2007)
Frequently Asked Questions
Real-World Repair Story
A customer brought in his ’05 Silverado 2500, a sister truck to the 2003-2006 Suburban 2500 BCM platform, with a laundry list of complaints. The radio would cut out, the driver’s side door lock wouldn’t respond, and the security light would flash intermittently, sometimes causing a no-start. He’d already replaced the battery and checked all the fuses. After connecting my scanner, I found a slew of communication DTCs and a B1001 code. In my 20+ years of experience, these ‘shotgun blast’ electrical faults almost always point to a failing BCM. The internal circuits and solder joints fracture over time from heat and vibration. We performed our cloning service on a replacement module, and the customer installed it in under 10 minutes. All the ghost-like issues were gone instantly. It’s a common failure, but with the right part, it’s a simple fix.