Restore Full Electrical Function to Your Cadillac DTS
Is your 2006-2011 Cadillac DTS experiencing bizarre and frustrating electrical issues? Flickering lights, unresponsive power windows, malfunctioning door locks, or a security system that acts on its own are all 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 fails, it can make your luxury vehicle feel unpredictable and unreliable. Don’t let a faulty module diminish your driving experience. This direct-fit replacement BCM is the definitive solution to restore your car’s sophisticated electronic systems to perfect working order.
The Plug-and-Play Advantage: Programmed to Your VIN
Replacing a BCM is typically a costly and inconvenient process involving a trip to the dealership for expensive programming. We eliminate that hassle. When you purchase this module, we will program it specifically to your vehicle’s VIN before it ships. It arrives at your door loaded with the latest GM factory software updates, ensuring optimal performance and compatibility. This means no extra trips, no surprise programming fees, and a much simpler installation process for you or your mechanic.
From the Diagnostic Bay
We had a 2008 Cadillac DTS come into the shop with a laundry list of complaints: the dome light wouldn’t turn off, the driver’s side window worked intermittently, and the key fob range was practically zero. The customer was convinced they needed a new BCM. Before ordering one, we did a full diagnostic sweep and checked the basics. It turned out that a major ground point under the driver’s side kick panel had developed corrosion, causing voltage drops and confusing the BCM. After cleaning and securing the ground connection, all the symptoms disappeared. It’s a powerful reminder: while a faulty module is common, always check your grounds and battery connections first to rule out a simpler, less expensive fix.
Common Symptoms of a Failing 2006-2011 DTS BCM
- ✔ Power windows, door locks, or mirrors behaving erratically or not working at all.
- ✔ Interior or exterior lights staying on, flickering, or failing to illuminate.
- ✔ The vehicle’s security system or alarm malfunctioning or engaging randomly.
- ✔ Key fob not being recognized or having extremely poor range.
- ✔ Warning lights appearing on the dashboard for unrelated systems.
- ✔ Issues with the radio, climate control, or other interior accessories.
- ✔ A ‘no-start’ condition where the starter does not engage.
Installation and Post-Install Considerations
This module is designed for a direct replacement of your original BCM. Once installed, some vehicles may require additional procedures to ensure all systems communicate correctly. These are known as ‘relearn’ or ‘synchronization’ procedures and may require a professional-grade scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM) to ensure safety system integrity.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor recalibration may be needed to ensure proper operation of the brake lights and stability control systems.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions. While this module is pre-programmed, these additional steps are sometimes required for full system integration.
This BCM is a direct replacement for a wide range of GM part numbers, including: 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.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, security systems, and interior accessories, ensuring they all work together seamlessly.
Is this BCM truly plug-and-play?
Because we program the module to your vehicle’s VIN before shipping, it is as close to plug-and-play as possible. It eliminates the need for dealership programming for the initial setup. However, as noted above, some vehicles may require additional relearn procedures for systems like the airbags or brakes after installation.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship your part until we receive and program it with your VIN.
What if the airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer. A technician with a high-level scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and turn off the light.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module, which can be useful for diagnostic comparison or as a backup.
Will this part fit other GM vehicles?
Yes. While this listing is focused on the Cadillac DTS, this BCM is compatible with a wide array of GM vehicles, including models of the Impala, Acadia, Tahoe, Express Van, and more. Please check the detailed fitment list on this page to confirm compatibility with your specific make and model.