Restore Your Cadillac’s Functionality and Peace of Mind
Is your 2006-2011 Cadillac DTS acting possessed? Flickering interior lights, power windows with a mind of their own, a security light that won’t turn off, or worse—a car that refuses to start? Before you spend a fortune on diagnostic fees at the dealership, the culprit is often the Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a failing BCM can create a cascade of frustrating and seemingly unrelated electrical problems. This module is the direct, reliable solution to restore order.
We take the guesswork and hassle out of the repair. Simply provide your vehicle’s VIN during checkout, and our technicians will program this BCM with the latest GM software specific to your DTS. It arrives at your door ready for installation, eliminating the need for expensive dealership programming tools or appointments. This is the most efficient way to get your luxury sedan back on the road and operating as it should.
A Technician’s Notebook: The DTS with a Ghost
I once had a 2008 Cadillac DTS in my bay that was a real head-scratcher for the owner. The radio would randomly shut off, the driver’s side window would only work intermittently, and the anti-theft light would flash, preventing it from starting. The owner had already replaced the battery and checked all the fuses. A scan tool showed a flurry of U-codes, indicating a loss of communication between modules. After tracing the CAN bus network, all signs pointed to a faulty BCM. It wasn’t sending or receiving signals correctly, creating chaos across the system. We installed a VIN-programmed BCM, and instantly, all the gremlins vanished. It’s a classic example of how one component can mimic a dozen different failures.
Common Symptoms of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely cause. This replacement 2006-2011 DTS Body Control Module is designed to resolve these issues.
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security or anti-theft light stays on, often causing a no-start condition.
- ✔ Dashboard warning lights illuminate for no apparent reason.
- ✔ Problems with the keyless entry or remote start systems.
- ✔ Diagnostic trouble codes (DTCs) related to lost communication, such as U0140, U0155, or other U-codes.
- ✔ Wipers or radio turning on and off by themselves.
Your Straightforward BCM Installation Guide
For the 2006-2011 Cadillac DTS, the BCM is located behind the glove box on the right-hand side of the center dash. While professional installation is always an option, a confident DIYer can complete this job.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
- Access the Module: Open the glove box. You may need to press in on the sides to release the retaining stops, allowing the glove box to drop down completely and reveal the area behind it.
- Locate the BCM: Identify the Body Control Module. It’s a black plastic box with several large electrical connectors attached.
- Swap the Modules: Carefully disconnect all electrical connectors from the old BCM. Unbolt or unclip the module from its mounting bracket and remove it. Install the new module in its place and securely re-attach all connectors.
- Power Up: Re-attach the glove box and reconnect the negative battery terminal.
- Post-Install Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note the important post-installation procedures below.
Important Notes After Installation
While our programming handles the core functions, some vehicle systems may require a ‘handshake’ with the new BCM. This is normal. The most common procedures are:
- Airbag System Sync: If your 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: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and traction control function.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Guaranteed Vehicle Compatibility
This module is a direct replacement for part number 15921353 and is also compatible with the following interchangeable part numbers:
10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
This BCM fits a wide range of GM vehicles, including but not limited to:
- Cadillac DTS (2006-2011)
- Cadillac CTS (2008-2013)
- Cadillac Escalade, ESV, EXT (2010)
- Chevrolet Impala (2006-2013)
- Chevrolet Equinox (2007-2009)
- Chevrolet Tahoe (2010)
- Chevrolet Traverse (2009-2012)
- GMC Acadia (2007-2012)
- GMC Yukon / Yukon XL (2010)
- Buick Enclave (2008-2012)
- Buick Lucerne (2006-2011)
- And many more Chevy/GMC Vans, Pontiac, and Saturn models.
Frequently Asked Questions
Frequently Asked Questions
How do I provide my VIN for programming?
After completing your purchase, you will receive instructions to reply with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive your VIN.
Is this a simple plug-and-play installation?
Yes, for the most part. Because we program the module to your VIN, it eliminates the need for dealer-level programming. However, as noted above, some secondary systems like the airbag or brake sensor may require a simple relearn procedure with a scan tool.
Do I need to return my old BCM?
No. There is no core charge for this part. You can keep your original module.
Will this fix my specific electrical problem?
This module is designed to fix issues originating from a faulty BCM. If your vehicle exhibits the symptoms listed above, there is a very high probability this will solve the problem. Proper diagnosis is always recommended.
What if the airbag light comes on after I install it?
This is a known possibility and simply means the new BCM needs to be electronically introduced to the airbag’s Supplemental Deployment Module (SDM). A repair shop with a capable bi-directional scan tool can perform the ‘Setup SDM Primary Key in BCM’ function in a few minutes.
Is the software on this module up-to-date?
Absolutely. We flash every module with the latest stable software release available from GM for your specific vehicle. This ensures optimal performance and contains any fixes GM has issued over the years.