Restore Your Traverse’s Electrical Sanity with a VIN-Programmed BCM
Are you dealing with a Chevrolet Traverse that seems to have a mind of its own? Flickering lights, a dead instrument cluster, power windows that won’t budge, or a security light that prevents the engine from starting are all classic, frustrating signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause widespread and unpredictable problems. In my 20+ years of diagnosing these systems, I’ve seen how a single failing module can make a perfectly good vehicle feel unreliable.
This isn’t just a replacement part; it’s a comprehensive solution. We offer a professional Cloning Service for your 2009-2012 Traverse Body Control Module. Simply provide your vehicle’s VIN after purchase, and our technicians will program this BCM with the latest GM software specific to your exact vehicle configuration. This critical step ensures all your vehicle’s options and security information are correctly matched, eliminating the need for an expensive trip to the dealership for programming. You get a component that is ready for installation right out of the box.
Case Study: The 2011 Traverse That Wouldn’t Cooperate
A customer brought in a 2011 Traverse with a laundry list of bizarre complaints. The radio would turn on and off randomly, the liftgate wouldn’t open with the fob, and worst of all, the vehicle would intermittently refuse to start, leaving the security light flashing. They had already replaced the battery and checked the fuses. After connecting my scan tool, I found multiple ‘U’ codes (Communication DTCs) pointing to a network failure. The common link was the BCM. Water intrusion from a leaky windshield seal had corroded a few pins on the main connector, causing intermittent short circuits inside the module. By installing a VIN-programmed BCM, we restored full communication and resolved every single one of the ghost-like issues in a single afternoon.
Common Signs of a Failing BCM
- ✔️ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔️ The security or anti-theft light stays on, causing a no-start condition.
- ✔️ The instrument cluster works erratically or not at all.
- ✔️ False warning lights appearing on the dashboard (e.g., ABS, Traction Control).
- ✔️ Communication error codes, such as U0100, U0140, or other ‘U’ codes.
- ✔️ Wipers or turn signals behaving unpredictably.
A Straightforward Guide to Installation
Installing your programmed BCM is a manageable job for a DIYer with basic tools. On the 2009-2012 Traverse, the BCM is typically located on the left-hand (driver’s) side of the dash.
- 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: Access the area under the driver’s side dashboard. You may need to remove a lower dash panel for better access. The BCM is a black plastic box with several large multi-pin electrical connectors.
- Disconnect the Connectors: Carefully release the locking tabs on each electrical connector and pull them straight out from the module. Do not force them; there are typically release levers or buttons.
- Remove the Old Module: Unbolt or unclip the old BCM from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical connectors, ensuring they click securely into place.
- Reconnect the Battery: Re-attach the negative battery terminal.
- Perform Post-Install Checks: Start the vehicle and test all related functions: lights, windows, locks, wipers, and radio. Check the dashboard for any warning lights.
Important Post-Installation Notes
While our cloning service handles the primary programming, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible professional scan tool. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary to ensure correct brake light and stability control operation. This also typically requires a capable scan tool.
Disclaimer: Always refer to a factory service manual for your specific vehicle for detailed instructions and torque specs. These steps are a general guide.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 15093910 and is interchangeable with a wide range of other part numbers. It is guaranteed to fit the following GM vehicles (please verify location and specific ID numbers as noted):
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 3500 VAN 08-12 Body Control (BCM); (center dash)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 3500 VAN 08-12 Body Control (BCM); (center dash)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
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
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the specific factory software for your Traverse. We program the BCM with this data, ensuring it correctly operates all the electronic features your vehicle was built with, such as power locks, specific lighting options, and security systems.
What is a ‘Cloning Service’?
Our cloning service means we transfer the essential programming from your original module to the replacement unit. However, for these BCMs, we use your VIN to load fresh, updated GM software, which is a superior method that ensures the latest performance and security patches are installed. This provides a plug-and-play solution without needing a trip to the dealer.
Do I need to send my old BCM to you?
No. We program the replacement module using your VIN before we ship it. As part of our service, we also return your original module along with the newly programmed one. We do not keep your original part.
Will I need special tools for the installation?
For the physical swap, you will only need basic hand tools like a socket set and screwdrivers to access the module. However, as noted, some vehicles may require a professional scan tool for post-installation procedures like the airbag system sync or brake pedal position relearn if warning lights appear.
Is this a guaranteed fix for my problem?
This BCM will fix problems directly caused by a faulty module. If you’re experiencing the symptoms listed above, the BCM is a very likely culprit. We always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the source of the issue before purchasing.