Restore Full Electronic Functionality to Your Vehicle
Is your Cadillac DTS or other GM vehicle plagued by strange and unpredictable electrical issues? The Body Control Module (BCM) is the central command center for your car’s body electronics, managing everything from power windows and door locks to interior lighting and the security system. When the BCM begins to fail, it can create a host of frustrating problems that can be difficult to diagnose. This replacement Body Control Module, part number 15948438, is the definitive solution to restore your vehicle’s electronic systems to perfect working order.
Unlike a standard replacement part that requires a trip to the dealership for expensive programming, this BCM arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We handle the complex flashing process for you, loading the latest GM software updates to ensure optimal performance and compatibility. This means a simpler installation process and a faster return to the road.
From the Diagnostic Bay
We once had a 2008 Cadillac DTS in the shop with a laundry list of bizarre symptoms. The radio would randomly shut off, the driver’s side power window would work intermittently, and the anti-theft light would flash for no reason. The owner had already replaced the battery and checked every fuse imaginable. After connecting our diagnostic scanner, we found multiple communication errors pointing towards a faulty BCM. It was creating electronic ‘noise’ on the data network, causing other modules to malfunction. Installing a VIN-programmed BCM like this one resolved every single issue in one go. It’s a prime example of how a single failing module can make a whole car seem like it’s falling apart.
Common Failure Symptoms
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system engaging randomly or preventing the car from starting.
- ✔ Erratic behavior from the instrument cluster gauges or warning lights.
- ✔ Communication errors with other vehicle modules when scanned.
- ✔ A/C and climate control functions not responding correctly.
- ✔ Key fob not being recognized by the vehicle.
Solving Issues with Your 2006-2011 DTS BCM
This module is a direct-fit replacement for a wide array of General Motors vehicles, including the 2006-2011 Cadillac DTS. By providing us with your VIN during checkout, you ensure that the module you receive is correctly configured for your vehicle’s specific options and features. This eliminates compatibility guesswork and the need for specialized tools for initial setup. While the installation is straightforward for many, please be aware of potential post-installation procedures.
Installation and System Relearning
After installing your new BCM, some vehicle systems may require a relearning or synchronization procedure. This is a normal part of the process as the new module integrates with your car’s existing components.
- Airbag System Sync: If the airbag warning light illuminates after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade diagnostic 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 the brake lights and traction control systems function as intended.
We always recommend consulting a factory service manual or a qualified technician for vehicle-specific instructions. There is no core charge for this part, so you can keep your original module.
Frequently Asked Questions
What does a Body Control Module do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, security system, and climate controls, ensuring they all work together seamlessly.
Is this BCM truly plug-and-play?
Because we pre-program the module to your vehicle’s VIN, it is as close to plug-and-play as possible. It eliminates the need for initial dealership programming. However, as noted, 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 VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot ship your part until we receive your VIN to perform the programming service.
What happens if the airbag light is on after I install it?
An illuminated airbag light is a common occurrence and means the new BCM needs to be electronically ‘introduced’ to the airbag system module (SDM). A mechanic with a bi-directional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Do I need to send my old BCM back?
No, there is no core charge associated with this BCM. You can keep your original part.
Will this module fit vehicles other than the Cadillac DTS?
Yes. This BCM is compatible with a very wide range of GM cars, trucks, and vans. Please refer to the detailed fitment list on this page to confirm it is the correct part for your specific year, make, and model.