Restore Your Cadillac’s Electronic Command Center
Is your 2006-2011 Cadillac DTS suffering from bizarre electrical problems? Flickering lights, malfunctioning power windows or locks, or a persistent “Service Theft System” message are classic signs that the Body Control Module (BCM) has failed. As the central hub for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and seemingly unrelated issues. I’ve seen it countless times in the shop: a luxury vehicle that feels unreliable due to one failing component. This replacement Body Control Module is the definitive, hassle-free solution to restore the precision and reliability you expect from your Cadillac.
We take the guesswork and extra cost out of the repair. Simply provide your vehicle’s VIN during checkout, and our technicians will program this module with the latest GM software specific to your DTS. This means it arrives at your door ready for installation, saving you a trip to the dealership and their expensive programming fees. It’s the most direct path to getting your vehicle back to 100%.
A Technician’s Notebook
I remember a 2009 DTS that came into the bay with a laundry list of complaints from the owner. The dome light would stay on, the driver’s side window worked intermittently, and the key fob would randomly stop working. The owner had already replaced the window switch and a battery, with no luck. A quick scan showed multiple communication loss codes (U-codes) with various modules. This is a tell-tale sign. Instead of chasing individual components, we went straight to the BCM. After swapping in a pre-programmed module like this one, every single issue was resolved instantly. It’s a great reminder that in modern cars, the problem often lies with the central controller, not just the switch or motor.
Is Your Cadillac Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The security system acting up, or a “Service Theft System” warning.
- ✔ Key fob not being recognized or functioning intermittently.
- ✔ Instrument cluster gauges behaving strangely or warning lights staying on.
- ✔ Diagnostic trouble codes related to communication errors (e.g., U0140, U0155) or BCM internal faults.
Your Straightforward BCM Installation Guide
For the confident DIYer, replacing the BCM in your DTS is a manageable job. On most 2006-2011 DTS models, the BCM is located behind the glove box or on the right-hand side of the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Access the Module: You will likely need to remove the glove box assembly or a lower dash panel to gain clear access to the BCM.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt 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 harnesses.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all body functions—lights, locks, windows, etc.—to ensure everything is working as it should.
Important Post-Installation Notes
While our VIN programming handles the majority of the setup, some vehicles may require one or more simple relearn procedures after installation. This is a normal part of the process.
- ✔ 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: In some cases, a brake pedal position sensor relearn may be required to ensure proper operation of the brake lights and traction control system.
- ✔ No Core Charge: You are not required to send your old BCM back to us. There is no core charge or fee associated with this purchase.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any part of the diagnostic or installation process.
Verified Vehicle Compatibility
This module is a direct-fit, pre-programmed solution for the 2006-2011 Cadillac DTS. It is also a compatible replacement for a wide range of other GM vehicles. Please verify your original part number against the list below to ensure perfect fitment.
Replaces 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 program this BCM?
No. We handle the programming for you before shipment. Just provide your VIN at checkout, and it will arrive ready to install with the latest GM software for your vehicle.
Where is the BCM located on my 2007 Cadillac DTS?
On the 2006-2011 Cadillac DTS, the Body Control Module is typically found on the right-hand side of the center dash, often accessible by removing the glove compartment.
Is this part truly plug-and-play?
It is designed to be a direct replacement. The VIN programming makes it plug-in ready, but as with many modern electronic repairs, some vehicles may require minor post-installation relearn procedures for systems like the airbag or brake sensor, as detailed above.
What is a core charge? Do I need to send my old part back?
A core charge is a deposit returned to you when you send back your old part. We do not have a core charge on this BCM, so you can keep your original module.
Will this fix the “Service Theft System” message on my dash?
A faulty BCM is one of the most common causes of a persistent “Service Theft System” warning on these GM vehicles. Replacing it with this programmed module very often resolves that issue.