Restore Full Electronic Function to Your Vehicle
Are you battling frustrating electrical gremlins in your Cadillac DTS or other GM vehicle? Flickering lights, unresponsive power windows, a malfunctioning security system, or strange warning messages on the dash are all classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, coordinating everything from your interior lights and power locks to the climate control and anti-theft system. When it fails, it can cause a cascade of confusing and unpredictable problems.
This is a direct-fit replacement Body Control Module, arriving at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We flash it with the latest GM software updates, ensuring optimal performance and compatibility right out of the box. This eliminates the need for an expensive trip to the dealership for programming, saving you time and money. Simply provide your VIN after purchase, and we handle the rest, delivering a BCM that is ready for installation.
From the Diagnostic Bay
We had a 2008 Cadillac DTS come into the shop with a truly bizarre complaint. The owner said that every time he used the driver’s side window switch, the radio would change stations and the interior dome light would flicker. It sounded impossible. We checked grounds, wiring harnesses, and the switch itself, but found nothing. After connecting our diagnostic scanner, we saw a flood of communication errors pointing to the BCM. A failing internal processor was corrupting data packets on the CAN bus, causing other modules to react unpredictably. Installing a newly programmed BCM, like this one, resolved all the issues instantly. It’s a perfect example of how a single failing module can create chaos throughout the vehicle’s entire electronic ecosystem.
Is Your Body Control Module Failing?
A faulty BCM can manifest in numerous ways, often making diagnosis difficult. If you’re experiencing any of the following symptoms, a failing BCM is the likely culprit:
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights behaving erratically (staying on, not turning on, or flickering).
- ✔ The vehicle’s security or anti-theft system malfunctioning or preventing the car from starting.
- ✔ Inaccurate or non-functional gauges on the instrument cluster.
- ✔ Climate control system not responding to commands.
- ✔ Key fob or remote entry system failure.
- ✔ A “Service Electrical System” or similar warning light on the dashboard.
- ✔ Communication errors with other modules when read with a diagnostic scan tool.
The Simple, Reliable Solution: A Pre-Programmed BCM
Our process is designed to be as straightforward as possible. By programming the module to your VIN before shipping, we ensure it integrates seamlessly with your vehicle’s existing systems. This is a genuine OEM-quality part, loaded with the most current software from General Motors to correct known bugs and improve functionality. This is the most effective way to restore your vehicle’s electronics without the hassle and high cost of dealership service. For many owners, this is a repair that can be completed with basic hand tools in their own garage.
Post-Installation Requirements
While this module is programmed for your vehicle, some systems may require a relearn or synchronization procedure after installation. These are standard security and safety handshakes between modules.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a “Setup SDM Primary Key in BCM” procedure is necessary. This requires a professional-grade scan tool to sync the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper operation of the brake lights and traction control system.
Please consult a factory service manual or a qualified technician for specific procedures related to your vehicle.
Guaranteed Fitment for Your 2006-2011 DTS Body Control Module
This module is a direct replacement for a wide range of GM vehicles and part numbers. We guarantee compatibility if your original part number is on this list. This unit replaces 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.
This BCM fits a wide array of models including the Cadillac DTS, SRX, CTS; Buick Lucerne, Enclave; Chevrolet Impala, Tahoe, Suburban, Traverse, Equinox, Express; GMC Acadia, Yukon, Savana; Hummer H2, and more. Please verify your part number to ensure proper fitment.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related electronic functions. This includes power windows, door locks, interior and exterior lighting, the alarm system, climate controls, and communication between various electronic modules.
Is this BCM truly plug-and-play?
Yes, for the most part. We program the module to your vehicle’s VIN, which handles the most complex part of the installation. In some cases, as noted above, you may need to perform simple relearn procedures for systems like the airbag or brake pedal sensor, which often require a professional scan tool.
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as the programming is specific to your car.
What happens if the airbag light comes on after installation?
This is a normal security measure. The new BCM needs to be electronically introduced to the airbag’s computer (SDM). A qualified 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.