Restore Full Functionality to Your Cadillac DTS
Are you battling bizarre electrical issues in your 2006-2011 Cadillac DTS? Flickering lights, malfunctioning power windows or locks, or a persistent ‘Service Theft System’ message are classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of frustrating and unpredictable problems. This isn’t just an inconvenience; it can affect your vehicle’s security and your peace of mind. Stop chasing electrical gremlins and get the definitive solution with our pre-programmed BCM.
We take the guesswork and hassle out of the repair. Unlike a generic part from a big box store, this 2006-2011 DTS Body Control Module arrives at your door ready for installation. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the latest official GM software specific to your car. This eliminates the need for a costly trip to the dealership for programming, saving you both time and money. It’s the smart, efficient way to get your luxury sedan back to performing flawlessly.
Case Study: A Tricky Diagnosis
A customer’s 2009 Cadillac DTS came into the shop last month with a complaint that stumped two other mechanics. The battery would drain overnight, the radio would randomly turn on and off, and the key fob worked intermittently. They had already replaced the battery and alternator to no avail. After hooking up my diagnostic scanner, I noticed several communication fault codes pointing to the BCM. In my 20+ years of experience, I’ve seen that internal corrosion or failing solder joints on the BCM’s circuit board can cause exactly this kind of phantom power draw. We installed one of our VIN-programmed BCMs, and the problems vanished instantly. It’s a reminder that sometimes the most complex-seeming electrical issues have a straightforward, single-point-of-failure solution.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these symptoms, a faulty BCM is the likely culprit. Replacing your 2006-2011 DTS Body Control Module can resolve these issues:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system light is on, or the alarm goes off randomly.
- ✔ Key fob not responding or working inconsistently.
- ✔ Instrument cluster gauges behaving erratically or displaying warning lights.
- ✔ A no-start condition even with a good battery and starter.
A Straightforward Guide to Installation
For the confident DIYer, replacing the BCM in your DTS is a manageable job. The module is typically located behind the glove box or on the right side of the center dash.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: On the 2006-2011 DTS, you’ll generally find the BCM behind the right side of the center dash console. You may need to remove the glove box or a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect Power: Reattach the negative battery terminal and tighten it securely.
- Perform Final Steps: Follow the critical post-installation procedures below to ensure all systems, including safety features, are correctly initialized.
Critical Post-Installation Requirements
After installing your new 2006-2011 DTS Body Control Module, a few final steps are essential for safety and proper operation. These procedures require a professional-grade scan tool.
- Airbag System Reset: To clear the airbag warning light, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes communication between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles require a recalibration of the brake pedal position sensor after a BCM replacement. This ensures the brake lights and stability control systems function correctly.
Note: If you are not comfortable performing these steps, we strongly advise seeking assistance from a qualified professional mechanic to complete the installation.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles and is compatible with 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, and 95151084. It fits models including:
Frequently Asked Questions
Do I need to program this BCM?
No. We program the module to your car’s VIN before shipping. It arrives ready to be installed, saving you a trip to the dealer.
Where is the BCM located on my 2008 Cadillac DTS?
The BCM is typically found on the right side of the center dash, often accessible after removing the glove box or a lower trim panel.
Will this fix my ‘Service Theft System’ message?
Yes, a faulty BCM is a very common cause of security system errors and ‘Service Theft System’ warnings. This part is designed to correct that issue.
How do I provide my VIN number?
After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive it.
What if I have an airbag light on after installation?
This is normal. The airbag system’s computer (SDM) needs to be re-synced with the new BCM using a scan tool. This is a required safety procedure called ‘Setup SDM Primary Key in BCM’.