Restore Full Functionality to Your Chevrolet Traverse
Is your 2009-2012 Chevrolet Traverse experiencing a host of frustrating and unpredictable electrical problems? From power windows and locks that have a mind of their own to dashboard warning lights that flicker without reason, a failing Body Control Module (BCM) is often the culprit. As the central command center for your vehicle’s body electronics, its failure can disrupt everything from the interior lights to the security system. This isn’t just an annoyance; it can be a significant safety concern. We offer a reliable, straightforward solution: a replacement Body Control Module, programmed specifically to your vehicle’s VIN before it ships.
Case Study: A Tricky Diagnosis
A customer brought in a 2011 Traverse with a classic ‘haunted car’ complaint. The radio would turn on and off, the dome lights wouldn’t work, and intermittently, the car wouldn’t start, showing a ‘Service Theft Deterrent System’ message. A scan showed multiple communication loss codes (U0140, U0155). While other shops might start replacing random parts, my experience pointed straight to the BCM. Water intrusion is a common failure point on these Lambda-platform SUVs. Sure enough, after accessing the BCM on the left side of the dash, we found tell-tale signs of corrosion on the connectors. Installing a pre-programmed module like this one resolved all issues in under an hour, saving the customer hundreds compared to a dealership visit.
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 your vehicle needs. Over my 20 years in diagnostics, these are the most common indicators I’ve seen for a faulty 2009-2012 Traverse BCM.
- ✔ Erratic power window or door lock operation.
- ✔ Interior or exterior lights not working correctly or staying on.
- ✔ The security system acting up, causing no-start conditions.
- ✔ The radio or instrument cluster functioning intermittently.
- ✔ False warnings on the driver information center (DIC).
- ✔ Diagnostic Trouble Codes (DTCs) such as U0140, B1001, or other B-series and U-series codes related to accessory or communication failures.
A Straightforward Guide to Installation
Replacing the BCM in your Traverse is a manageable job for a confident DIYer or any professional mechanic. Our VIN-programming service eliminates the most complicated step, so you can get back on the road quickly.
- 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 driver’s side of the vehicle, under the dashboard to the left of the steering column.
- Remove Trim Panels: You may need to remove the lower dash panel or knee bolster to gain clear access to the module. These are usually held in by a few screws and clips.
- 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 the same location, connect all the electrical harnesses securely, and reinstall any trim panels you removed.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions: windows, locks, lights, radio, etc., to confirm the repair.
What is a Cloning Service?
This is not just a part; it’s a complete solution. When you purchase this module, you provide us with your vehicle’s VIN. Our technicians then use that information to program the replacement BCM with the latest GM software specific to your Traverse’s options and configuration. This ensures that when it arrives, it’s ready to install without requiring an expensive trip to the dealership for programming. We simply copy the necessary data to make it work seamlessly with your vehicle’s existing systems.
Important Post-Installation Information
While our programming handles the majority of the setup, some GM vehicles require additional synchronization steps after installation. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is illuminated 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 procedure may be required to ensure correct brake light and traction control operation.
- Core Return: We do not require your old module back. Our service involves programming a replacement unit, and your original BCM is always returned to you along with the newly programmed one.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified automotive technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 15872388 and is compatible with a wide range of General Motors vehicles. Please verify your part number or consult the list below. This module is guaranteed to fit your 2009-2012 Traverse BCM and many other models.
Interchangeable 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
Frequently Asked Questions
Do I need to do any programming myself?
No. This is a complete cloning service. We program the module to the VIN you provide during checkout, so it arrives ready for installation.
Is this a difficult part to replace for a DIYer?
For someone with basic mechanical skills and tools, it is a manageable job. The most difficult part is typically accessing the module under the dash. Our pre-programming service eliminates the need for special computer equipment.
What information do you need from me?
After you complete your purchase, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). This is critical for us to program the BCM correctly for your specific vehicle.
Will this fix my ‘Service Theft Deterrent System’ message?
In many cases, yes. The BCM is a key component of the Pass-Key III and other GM anti-theft systems. A faulty BCM is a very common cause of this specific warning and the associated no-start condition.
Do I have to send my original BCM to you?
No, you do not need to send your original part to us beforehand. We program a replacement unit and ship it to you. Per our policy, your original module is always returned to you along with the programmed replacement.