Restore Command of Your Traverse’s Electronics
If you’re dealing with baffling electrical issues in your 2009-2012 Chevrolet Traverse—like lights that have a mind of their own, power windows that won’t cooperate, or a security system that randomly acts up—you’ve likely met the culprit: a failing Body Control Module (BCM). As the central computer for your vehicle’s comfort and convenience features, a faulty BCM can turn your daily drive into a frustrating ordeal. This isn’t just an annoyance; it can be a safety concern when exterior lights or security functions are compromised.
This replacement Body Control Module is the definitive solution. We take the guesswork and high dealership costs out of the equation. Before we ship it, our technicians program the module with the latest GM software, perfectly matched to your vehicle’s VIN. This ensures seamless integration and restores full functionality right out of the box, making this the ideal fix for both seasoned mechanics and first-time DIYers.
A Technician’s Notebook: The Case of the Haunted Traverse
I remember a 2011 Traverse that came into my bay with a list of symptoms that read like a ghost story. The owner complained of the dome lights flickering, the radio turning on and off by itself, and a persistent ‘Service StabiliTrak’ message. His battery would also drain overnight. A scan tool showed a flurry of communication errors, most pointing to a loss of communication with the BCM (DTC U0140). After verifying the power and ground circuits to the module were solid, it was clear the BCM itself was failing internally. We installed a VIN-programmed module just like this one, and it was like an exorcism—every single electrical gremlin vanished. This is a common failure I’ve seen dozens of times on these GM platforms.
Is Your Traverse Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution.
- ✔ Power windows, mirrors, or door locks operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system engaging without reason, preventing the vehicle from starting.
- ✔ Warning lights on the dashboard (like Airbag, ABS, or StabiliTrak) appearing randomly.
- ✔ Unexplained battery drain that leaves you with a dead battery.
- ✔ Diagnostic Trouble Codes (DTCs) related to lost communication, such as U0140, U0155, or other U-codes.
A Straightforward Guide to Installation
Replacing the BCM in your Traverse is a manageable job for a DIYer with basic tools. Because we program it beforehand, you skip the most difficult step.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the 2009-2012 Traverse, the Body Control Module is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel near the steering column.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place of the old one. Securely reconnect all electrical connectors, ensuring they click into place.
- Reconnect & Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions: lights, locks, windows, etc. Start the vehicle to ensure it runs correctly.
Important Post-Installation Steps
In some cases, additional steps may be required after installation to ensure all vehicle systems are synchronized:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control operation, a brake pedal position sensor relearn might be necessary. This can also be performed with a compatible scan tool.
- Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any part of the installation or post-install procedures.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part number 25892622 and a wide range of other original part numbers. It is guaranteed to fit the following models:
Primary Fitment:
- Chevrolet Traverse: 2009, 2010, 2011, 2012 (Located at LH dash)
Also fits other GM models including: Acadia, Enclave, Outlook, Equinox, Captiva Sport, Torrent, Impala, Monte Carlo, Lucerne, DTS, CTS, SRX, STS, G8, Caprice, Hummer H2, Tahoe, Suburban, Avalanche, Yukon, Escalade, Express Van, and Savana Van across various years. Please verify your original part number against our comprehensive list to ensure 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
Frequently Asked Questions
Do I need to have this BCM programmed by a dealer?
No. We handle the programming for you. Simply provide your vehicle’s 17-digit VIN during or after checkout, and we will program the module with the latest GM software before shipping it. It arrives ready to install.
What does the Body Control Module do?
The BCM is the main computer responsible for managing your vehicle’s body electronics. This includes power windows, power locks, interior and exterior lighting, the alarm system, wiper functions, and communication with other vehicle modules.
Where is the BCM located on my 2011 Traverse?
On the 2009-2012 Chevrolet Traverse, the BCM is found behind the driver’s side lower dashboard panel, near the steering column and fuse block area.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your original module, which saves you the time and expense of shipping a part back.
What if my airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A professional mechanic with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Will this fix my car’s problem for sure?
This module will resolve any issue directly caused by a faulty BCM. While the symptoms we’ve listed are very common for BCM failure, we always recommend a proper diagnosis to confirm the BCM is the root cause before ordering.