Restore Your Traverse’s Electronics with a Hassle-Free Solution
Are you dealing with baffling electrical problems in your Chevrolet Traverse? Flickering dashboard lights, power windows with a mind of their own, or a security system that randomly acts up are 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 SUV into a source of daily frustration. Forget expensive dealership diagnostics and programming fees. This is the straightforward, reliable fix you’ve been looking for.
We offer a direct-fit 2009-2012 Traverse BCM that arrives at your door completely programmed to your vehicle’s specific VIN. Simply provide us with your VIN after purchase, and our technicians will flash the module with the latest GM software updates. This ensures seamless communication with your vehicle’s other systems, restoring full functionality and getting you back on the road with confidence.
A Technician’s Notebook
A customer brought in their 2011 Traverse last month with a list of strange symptoms. The radio would shut off, the door locks would cycle while driving, and occasionally, the vehicle wouldn’t start, with just a click from the starter. There were no consistent trouble codes, just a slew of intermittent communication errors. After 20 years in the business, these ghost-like electrical issues almost always point back to the BCM. The internal circuits and relays fail over time, causing unpredictable behavior. We installed one of our VIN-programmed modules, performed the quick post-install relearns, and the Traverse was back to perfect working order in under an hour. This part saved the customer hundreds compared to a dealership visit.
Is Your Traverse Showing These Signs?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Flickering or inoperative interior and exterior lights.
- ✔ The security system light stays on or the alarm goes off randomly.
- ✔ A no-start condition where the engine doesn’t crank.
- ✔ Erratic behavior from the radio or instrument cluster gauges.
- ✔ Communication error codes (U-codes) stored in the system.
Your Straightforward Installation Guide
Replacing the 2009-2012 Traverse BCM is a manageable job for a DIYer. The BCM is typically located on the left-hand (driver’s) side of the dash. While the physical swap is simple, be aware that post-installation procedures are required for safety systems.
- Safety First: 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 Traverse, you’ll find the BCM under the driver’s side of the dashboard, often attached to the junction block. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- CRITICAL Final Steps: This is the most important part. You must perform the ‘Setup SDM Primary Key in BCM’ procedure using a bi-directional scan tool to ensure the airbag system is operational and clear the warning light. Some vehicles may also require a brake pedal position sensor calibration. If you are not equipped to perform these steps, a professional mechanic can complete them quickly.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of GM vehicles. While this listing is focused on the 2009-2012 Traverse BCM, it also fits the models listed below. Please verify your part number or contact us with your VIN to confirm fitment.
This module replaces 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
What does a Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls and monitors a wide range of electronic accessories not related to the engine, such as power windows, locks, lights, wipers, security system, and the instrument cluster.
Why do you need my VIN to program the BCM?
Your Vehicle Identification Number (VIN) allows us to flash the BCM with the exact software and settings specific to your vehicle’s options and features. This ensures it works perfectly right out of the box, just like a part from the dealership.
Is this a plug-and-play part?
Yes, the module itself is physically plug-and-play because it comes pre-programmed. However, as with any BCM replacement on these vehicles, you must perform a security relearn and a ‘Setup SDM Primary Key’ procedure with a proper scan tool to sync it with your airbag system.
Will this fix my car’s no-start problem?
A faulty BCM is a very common cause of no-start or intermittent starting issues, especially if it’s related to the anti-theft system. If your vehicle’s security light is on and it won’t crank, this module is a highly probable solution.
What tools are needed for the final setup?
You will need a bi-directional diagnostic scan tool capable of performing GM-specific procedures like the ‘Setup SDM Primary Key in BCM’ and brake pedal position sensor relearn. Many independent shops have these tools if you don’t own one.