Tired of Unpredictable Electrical Problems in Your GM Truck?
If your 2007–2011 Silverado, Sierra, Tahoe, or other GM vehicle is suffering from strange electrical issues, a failing Body Control Module (BCM) is the most common cause. As the central command for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and seemingly unrelated problems. This direct-fit replacement, part number 15263497, arrives pre-programmed to your specific Vehicle Identification Number (VIN), eliminating the need for expensive dealership visits and getting you back on the road with confidence.
From the Diagnostic Bay: The Grounding Gremlin
I once had a 2009 Sierra 2500 in my shop that was driving its owner crazy. The dash lights would flicker, the radio would cut out, and sometimes it wouldn’t start at all. The owner had already replaced the battery and alternator. After connecting my scanner, I saw a dozen communication codes. The culprit? Not the BCM itself, but a corroded main ground connection near the module. After cleaning the ground and installing a new 2007–2011 GM Body Control Module, all the phantom issues disappeared. It’s a powerful reminder: when you replace a BCM, always inspect and clean your grounding points. It’s a 5-minute check that can save you hours of headaches.
Is Your Truck Showing These Symptoms?
- ✔️ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔️ HVAC system is unresponsive, or the blower motor won’t turn on.
- ✔️ The anti-theft or security system light is on, preventing the engine from starting.
- ✔️ An airbag warning light is illuminated, often with Diagnostic Trouble Code (DTC) B1001.
- ✔️ Headlights, taillights, or interior lights behave erratically.
- ✔️ Unexplained battery drain when the vehicle is off.
A Straightforward 5-Minute Installation Guide
Installing your new BCM is a simple process that most DIYers can complete with basic hand tools. It’s located under the driver’s side dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electrical components.
- Locate the BCM: On most GM trucks and SUVs, you’ll find the BCM mounted to a bracket just to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Once disconnected, unclip or unbolt the old BCM from its mounting bracket.
- Install the New Module: Seat the new, VIN-programmed BCM into the bracket and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all functions: lights, wipers, locks, windows, and HVAC to ensure everything is working correctly.
- Post-Install Check: If your airbag light remains on, a simple “Setup SDM Primary Key in BCM” procedure may be needed using a professional scan tool. This syncs the new BCM with the airbag system. Similarly, a Brake Pedal Position Relearn might be required on some models.
Verified Fitment for Your GM Truck or SUV
This 2007–2011 GM Body Control Module is a direct replacement for part number 15263497 and other interchangeable numbers. It is guaranteed to fit the following models:
Chevrolet
- ✔ Avalanche 1500 (2007-2011)
- ✔ Silverado 1500 (2007-2011)
- ✔ Silverado 2500/3500 (2007-2011)
- ✔ Suburban 1500/2500 (2007-2011)
- ✔ Tahoe (2007-2011)
GMC
- ✔ Sierra 1500 (2007-2011)
- ✔ Sierra 2500/3500 (2007-2011)
- ✔ Sierra Denali (2007-2011)
Cadillac
- ✔ Escalade, ESV, EXT (2007-2011)
Note: While this covers the primary range, some 2012-2013 models may be compatible. Please verify your original part number. This module interchanges with 25844480, 25835966, 15263363, and others.
Frequently Asked Questions
Do I need to take my truck to the dealer for programming?
No. This module is delivered fully programmed to your vehicle’s VIN. It is a true plug-and-play solution, designed to save you the time and expense of a dealership visit.
What does “No Core Charge” mean?
It means you don’t have to send your old, faulty BCM back to us. This simplifies the process and saves you money on return shipping. You can keep or dispose of your old part.
My airbag light is on after installation. Is the part defective?
No, this is a common security feature. The new BCM needs to be synced with the airbag’s Sensing and Diagnostic Module (SDM). A mechanic with a professional bi-directional scan tool can perform the “Setup SDM Primary Key in BCM” procedure in a few minutes to clear the light.
Is this an OEM part?
This is a high-quality replacement part built to meet or exceed original equipment manufacturer (OEM) standards for performance and reliability. It comes with a one-year warranty for your peace of mind.
Will this fix my truck’s stalling or misfire issues?
While a failing BCM can sometimes cause security-related no-start or stalling conditions, these symptoms are more often linked to the Engine Control Module (ECM) or other systems. This BCM will resolve issues related to body electronics like lights, locks, and windows.