Tired of Your GM Truck’s Unpredictable Electronics?
If you’re dealing with a Chevrolet Silverado or GMC Sierra where the dashboard lights flicker randomly, the power windows have a mind of their own, or the A/C has quit for no reason, you’re not alone. After more than two decades of diagnosing these exact issues, I can tell you that a failing Body Control Module (BCM) is often the culprit. It’s the electronic nerve center for your vehicle’s comfort and security features, and when it goes, it can cause a cascade of frustrating problems. This isn’t just an annoyance; it can be a safety concern when exterior lights or security systems fail.
We offer a reliable and straightforward solution. This Body Control Module, a direct replacement for part number 15263497 and others, arrives at your door pre-programmed to your vehicle’s specific VIN. This means you can bypass the expensive and time-consuming trip to the dealership for programming. It’s designed to restore full functionality and get your truck or SUV back to operating the way it should.
A Technician’s Notebook: The Tahoe That Wouldn’t Start
A customer brought in a 2009 Tahoe that would intermittently refuse to start. The security light was on, and they had already replaced the battery and checked the ignition switch. A scan revealed a slew of communication DTCs and a B1001 code. Instead of chasing phantom wiring issues, we went straight to the BCM. A poor internal ground within the original module was causing the security system to immobilize the engine. Installing one of our VIN-programmed BCMs not only fixed the no-start condition but also cleared all the related communication codes in under 10 minutes. It’s a classic failure mode for these vehicles.
Is Your GM Truck Showing These Symptoms?
- ✔ The instrument cluster or radio lights flicker or go out completely.
- ✔ Power windows, door locks, or mirrors work intermittently or not at all.
- ✔ HVAC controls are unresponsive, or the blower motor won’t turn on.
- ✔ The security system light is on, and the vehicle may stall or fail to start.
- ✔ An airbag warning light is illuminated, often with DTC B1001 (Setup SDM Primary Key in BCM).
- ✔ Headlights, taillights, or interior dome lights are malfunctioning.
- ✔ The windshield wipers operate erratically or won’t turn off.
Why Our Pre-Flashed 2007-2011 GM BCM is the Superior Choice
This isn’t just a replacement part; it’s a complete solution. By programming the module with the latest GM software updates tied to your VIN, we ensure it communicates flawlessly with your vehicle’s other systems, like the Engine Control Module (ECM) and Supplemental Inflatable Restraint (SIR) system. This is the key to resolving complex electronic issues without needing a factory scan tool for setup.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On most compatible models, you’ll find the BCM mounted to a bracket under the driver’s side of the dashboard, near the steering column.
- ✔ Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, the module can be unclipped or unbolted from its mounting location.
- ✔ Install the New Module: Connect the electrical harnesses to your new, VIN-programmed BCM. Ensure they click securely into place. Mount the module back onto the bracket.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, wipers, and HVAC—to confirm the repair.
Post-Installation Note: In some cases, particularly if you had an airbag light on, a ‘Setup SDM Primary Key’ procedure may be needed using a professional scan tool to sync the new BCM with the airbag system. A brake pedal position relearn might also be required. This is a simple step for any professional shop if needed.
Verified Vehicle Compatibility
This module is engineered for a precise fit and function in a wide range of General Motors trucks and SUVs. It serves as a direct replacement for numerous part numbers, including 25844480, 25835966, 15263363, and many more. Please verify your model and year from the list below:
Escalade (2007-2011)
Escalade ESV (2007-2011)
Escalade EXT (2007-2011)
Chevrolet:
Avalanche 1500 (2007-2011)
Silverado 1500 (2007-2011)
Silverado 2500/3500 (2007-2011, plus some 2013 models with ID 25835966)
Suburban 1500/2500 (2007-2011)
Tahoe (2007-2011)
GMC:
Sierra 1500 (2007-2011)
Sierra 2500/3500 (2007-2011, plus some 2013 models with ID 25835966)
Sierra Denali (2007-2011, plus some 2013 models with ID 25835966)
Yukon (2007-2011)
Yukon XL 1500/2500 (2007-2011)
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls nearly all non-engine related electronic functions. This includes power windows, locks, interior and exterior lighting, the security system, wipers, and the HVAC system.
Do I need a dealer to program this 2007-2011 GM BCM?
No. We pre-program the module to your vehicle’s VIN before shipping. This makes the installation plug-and-play, saving you the time and high cost of dealership programming.
Is this BCM difficult to install myself?
For most individuals with basic hand tools, the installation is very straightforward. The BCM is typically located under the driver-side dashboard and can be swapped out in under 15 minutes.
What if my airbag light is still on after installation?
If the airbag light persists, it usually means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). This procedure, called ‘Setup SDM Primary Key in BCM,’ requires a professional-grade scan tool but is a quick process for any competent mechanic.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module without any hassle or need to return it.