Tired of Chasing Electrical Gremlins in Your Traverse?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. Are you dealing with flickering dashboard lights, power windows with a mind of their own, a security system that acts up, or even a no-start condition that leaves you stranded? These aren’t random glitches; they’re classic symptoms of a BCM on its way out. The BCM is the central hub for your vehicle’s body electronics, and when it fails, chaos ensues.
Forget the expensive trip to the dealership and the hassle of finding someone to program a new module. We offer a simple, direct solution. This 2009-2012 Traverse BCM is the dependable fix you need. We take all the guesswork out of the repair by programming the module specifically for your vehicle using your VIN. It arrives at your door with the latest GM software updates, ready for a straightforward installation. This ensures seamless communication with your vehicle’s other systems and restores functionality just as the factory intended.
A Technician’s Notebook: The Intermittent Traverse
Just last month, a 2011 Traverse was towed into the shop. The owner was at his wit’s end. The radio would randomly shut off, the interior lights would pulse, and occasionally, it wouldn’t start. He’d already replaced the battery and checked the alternator. When I connected my scan tool, I found a slew of communication (U-series) codes pointing to a network issue. This is a dead giveaway for a failing BCM. Instead of spending hours testing individual circuits, we installed one of our pre-programmed BCMs. Within an hour, all the strange electrical issues were gone, and the vehicle started reliably every time. It’s a textbook example of how this single part can solve a dozen confusing problems.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these symptoms, a faulty Body Control Module is the likely culprit. A replacement 2009-2012 Traverse BCM can resolve these issues:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ The engine cranks but refuses to start due to anti-theft system confusion.
- ✔ Multiple, seemingly unrelated warning lights on the dashboard.
- ✔ Communication error codes (e.g., U0140, U0155) stored in the system.
A Straightforward Guide to Installation
Installing your new BCM is a manageable job for a confident DIYer. For the 2009-2012 Traverse, the BCM is typically located on the left-hand (driver’s) side of the dashboard. Always consult a vehicle-specific repair manual for precise locations and torque specs.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the systems to discharge completely.
- Locate the BCM: On the Traverse, you will likely need to remove the lower dash panel beneath the steering column to gain access to the module.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place and securely fasten it. Reconnect all the electrical connectors, ensuring they click firmly into place.
- Post-Installation Procedures: Reconnect the battery terminal. You will need to perform a couple of critical relearn procedures as noted below.
IMPORTANT: Post-Installation Steps Required
After installing your new BCM, a few steps are necessary to ensure all systems operate correctly and safely. A high-quality diagnostic scan tool is required for these procedures.
- Airbag System Reset: To clear the airbag warning light, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes communication between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles require the Brake Pedal Position (BPP) sensor to be recalibrated after BCM replacement. This ensures the brake lights and stability control systems function correctly.
Note: If you are not comfortable performing these steps, we strongly recommend seeking assistance from a qualified professional mechanic.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of GM vehicles and supersedes numerous part numbers. Please verify your vehicle is on this list. This unit is programmed specifically for your 2009-2012 Traverse BCM needs but also fits:
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 (under steering column), ID 25892622
EXPRESS VANS 08-12
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA VANS 08-12
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column), ID 20815898 or 25892622
TAHOE 10 (under steering column), ID 20815898 or 25892622
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON 10 (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
This part is a compatible replacement for the following 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
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, providing your Vehicle Identification Number (VIN) is absolutely essential. We use it to program the BCM with the correct software and vehicle-specific options, ensuring it works perfectly with your Traverse right out of the box.
Is this a plug-and-play part?
Because we program it to your VIN, it is as close to plug-and-play as possible. However, as noted above, you will need a diagnostic tool to perform the ‘Setup SDM Primary Key’ and potentially a ‘Brake Pedal Position Sensor Relearn’ to restore full functionality and clear all warning lights.
Will this fix my ‘Service StabiliTrak’ or ‘Service Airbag’ light?
A failing BCM can certainly cause these warnings by disrupting communication between modules. While this part will likely fix the root cause, you must perform the post-installation relearn procedures with a proper scan tool to clear the warning lights.
What tools are needed for the installation?
You’ll need basic hand tools like a socket set and trim removal tools to access the module. For the critical post-installation steps, a bi-directional scan tool capable of performing GM-specific procedures is required.
Where do I send my VIN after purchase?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship your order until we receive this information.