Are you chasing down bizarre electrical issues in your GM vehicle? Flickering lights, a possessed radio, power windows with a mind of their own, or a security light that won’t turn off are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can turn your reliable ride into a source of daily frustration. This isn’t just an annoyance; it can be a safety concern when essential systems like lighting and security become unpredictable.
This is the definitive, hassle-free solution. We offer a direct-fit Body Control Module, specifically programmed to your vehicle’s exact VIN before it ships. This means no expensive trips to the dealership for programming and no complicated setup procedures. We load it with the latest GM-certified software, ensuring all functions are restored to factory specifications. It’s the most efficient way to get your vehicle back to 100% functionality.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security system engaging randomly or the anti-theft light staying on, preventing the vehicle from starting.
- ✔ Instrument cluster gauges behaving erratically or going blank.
- ✔ Radio or infotainment system turning on and off by itself.
- ✔ Communication failure codes, such as U0140, stored in the system.
A Technician’s Notebook: The Suburban with a Ghost
I had a 2010 Suburban 1500 roll into my bay last month with a list of complaints that sounded like a ghost was in the machine. The customer said his dash lights would flicker, the radio would cut out, and sometimes the power locks wouldn’t respond. He’d already replaced the battery and checked the main grounds. After hooking up my scan tool, I saw multiple communication loss codes with various modules—all pointing back to the BCM. Instead of sending him to a dealer for a new module and a hefty programming bill, we ordered one of these pre-programmed units. The physical swap took less than 30 minutes. Once installed, every single one of the ghost-like issues was gone. It’s a repair that saves customers time and money, and for a professional, it’s a reliable fix that builds trust.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- ✔ Locate the BCM: On a 2010 Suburban 1500, the Body Control Module is typically found under the driver’s side of the dashboard, near the steering column. Its location can vary on other compatible models, so consult a service manual if you’re unsure.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, remove any bolts or clips holding the module in place and take it out.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location and securely re-attach the electrical connectors. You should hear a click as they lock into place.
- ✔ Power Up: Reconnect the negative battery terminal. Start the vehicle and test all related functions like lights, locks, windows, and radio to ensure they are working correctly.
Important Post-Installation Steps
While this BCM is programmed for your VIN, some vehicle systems may require a ‘handshake’ with the new module. This is a normal part of the process.
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function properly. This also requires a compatible diagnostic tool.
- No Core Charge: You can keep your old module! There is no core charge and no need to send the original part back to us.
Will This Fit My Vehicle?
This Body Control Module is a direct replacement for a wide range of General Motors vehicles. Please verify your vehicle and part number below. Providing your VIN at checkout is essential for us to ensure perfect programming and compatibility.
Replaces Part Numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
Fits Models Including:
- Acadia 2007-2012
- Avalanche 1500 2010
- Caprice 2011-2013
- Captiva Sport 2012
- CTS 2008-2013
- DTS 2006-2011
- Enclave 2008-2012
- Equinox 2007-2009
- Escalade, ESV, EXT 2010
- Express Vans 2008-2012
- G8 2008-2009
- Hummer H2 2008-2009
- Impala 2006-2013
- Lucerne 2006-2011
- Monte Carlo 2006-2007
- Outlook 2007-2010
- Savana Vans 2008-2012
- SRX 2007-2009
- STS 2010
- Suburban 1500 2010
- Tahoe 2010
- Torrent 2007-2009
- Traverse 2009-2012
- Vue 2008-2010
- Yukon & Yukon XL 1500 2010
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before shipping. We use your vehicle’s VIN to load the latest GM software, so it arrives ready to install.
Is this a difficult part for a DIYer to replace?
For most models, the physical replacement is straightforward and requires basic hand tools. It involves unplugging connectors and removing a few bolts. The main challenge can be accessing the module under the dash.
What if my airbag light comes on after installation?
This is a normal security measure. The BCM needs to be synced with the airbag module using a ‘Setup SDM Primary Key’ procedure, which requires a professional-grade scan tool. A local repair shop can perform this for you.
Do I have to send my old BCM back?
No, there is absolutely no core charge for this part. You can keep, recycle, or dispose of your original module.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty BCM. If you’re experiencing the common symptoms we’ve listed, there is a very high probability this is your solution. However, always ensure your vehicle has been properly diagnosed.