Is Your Chevrolet Traverse Experiencing Bizarre Electrical Problems?
The Body Control Module, or BCM, is the central command center for your vehicle’s electronic accessories. When it starts to fail in your 2009-2012 Traverse, it can cause a cascade of confusing and frustrating issues that seem unrelated. From flickering lights to malfunctioning power windows, a faulty BCM can make your reliable SUV feel unpredictable. This isn’t just an inconvenience; it can affect the safety and security of your vehicle. This replacement module is the definitive solution to restore full functionality and peace of mind.
From the Diagnostic Bay
We recently had a 2011 Acadia (which uses the same BCM) come into the shop with a laundry list of complaints. The owner said the radio would turn off randomly, the driver’s side window wouldn’t go down, and the anti-theft light would stay on, sometimes preventing the car from starting. He had already replaced the battery and checked fuses with no luck. After connecting our scan tool, we saw multiple communication error codes pointing to the BCM. Instead of sending him to a dealership for a costly replacement and programming session, we installed one of our VIN-programmed modules. In under an hour, every single one of his electrical gremlins was gone. It’s a common failure, but the fix is straightforward with the right part.
Common Symptoms of a Failing BCM
- ✔ Erratic power windows, door locks, or mirrors that work intermittently or not at all.
- ✔ Interior or exterior lights (headlights, taillights, dome lights) staying on, flickering, or not turning on.
- ✔ The security system acting up, causing alarm issues or preventing the engine from starting.
- ✔ Key fobs that suddenly stop working or have a very limited range.
- ✔ Dashboard warning lights (like the airbag or ABS light) illuminating without a clear cause.
- ✔ Climate control (HVAC) system blower motor or controls failing to respond.
- ✔ Horn honking unexpectedly or not working when pressed.
The Plug-and-Play Solution for Your 2009-2012 Traverse Body Control Module
Don’t let a dealership visit drain your time and wallet. This Body Control Module is a direct-fit replacement, but with one crucial advantage: we program it to your vehicle’s specific VIN before it ships. This means you can bypass the expensive and time-consuming programming process required at a service center. Simply provide us with your VIN during checkout, and you’ll receive a module that is ready for installation right out of the box. We load it with the latest GM software updates to ensure optimal performance and longevity.
Post-Installation Information
While this module is designed for a straightforward installation, some vehicle systems may require a relearn or synchronization procedure after the BCM is replaced. These are typically simple procedures that can be performed with a capable bidirectional scan tool.
- Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Guaranteed Fitment for a Wide Range of GM Vehicles
This BCM is a direct replacement for a variety of part numbers, ensuring broad compatibility across the GM family. It fits models like the GMC Acadia, Buick Enclave, Chevy Impala, Express vans, and more. It is a direct 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 need to get this BCM programmed by a dealer?
No. The main benefit of our service is that we pre-program the module to your vehicle’s VIN before we ship it. This saves you hundreds of dollars and a trip to the dealership.
Where do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship the module until we have this information to program it correctly.
Is this part difficult to install?
For most DIYers with moderate experience, the installation is straightforward. The BCM is typically located under the driver’s side dashboard. However, as with any automotive electronics, if you are not comfortable performing the work, we recommend seeking a professional technician.
What happens if my airbag light comes on after installation?
This is a known possibility. The new BCM needs to be electronically ‘introduced’ to the airbag module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional-grade scan tool to resolve this.
Do I need to return my old BCM?
No, there is absolutely no core charge for this part. You can keep your old module.