Is your Cadillac DTS experiencing bizarre electrical problems?
The Body Control Module, or BCM, is the central nervous system for your vehicle’s electronic accessories. When it begins to fail, it can cause a wide range of frustrating and seemingly unrelated issues. From flickering lights and malfunctioning power windows to security system alerts and dashboard warning lights, a faulty BCM can make your luxury vehicle feel unreliable. If you’re tired of chasing electrical gremlins, you’ve come to the right place.
Symptoms of a Failing Cadillac DTS BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not working at all).
- ✔ “Service Theft System” or other security-related warnings on the dash.
- ✔ Malfunctioning radio, climate controls, or instrument cluster gauges.
- ✔ False warning lights, such as the airbag or ABS light.
- ✔ Problems with the keyless entry or remote start systems.
- ✔ Complete failure to start due to security system immobilization.
The Plug-and-Play Solution
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost out of the repair process. When you order, simply provide us with your vehicle’s VIN. Our technicians will then program the module with the latest GM factory software specific to your car. This ensures perfect compatibility and function right out of the box, eliminating the need for an expensive trip to the dealership for programming.
This module is a direct replacement for a wide variety 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.
Post-Installation Information
While this module is programmed for your vehicle, some models may require simple relearn procedures after installation. These are typically straightforward and ensure all related systems communicate correctly with the new BCM.
- 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: To ensure correct brake light and traction control operation, a brake pedal position sensor recalibration may be necessary.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Frequently Asked Questions
What does a Body Control Module do on a Cadillac DTS?
The BCM acts as the main computer for your car’s body electronics. It controls functions like power windows, locks, lights, the security system, wipers, and the instrument cluster.
Is this BCM truly plug-and-play?
Yes, it is. We program it to your car’s VIN before shipping, so it’s ready for installation without needing a trip to the dealer. However, as noted, some vehicles may require a simple relearn procedure for the airbag or brake systems after the part is installed.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your module without it.
Will this fix my specific electrical problem?
This module corrects issues directly caused by a failing BCM. The symptoms listed above are strong indicators of BCM failure. However, we always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the source of your problem before ordering.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module.
What if my airbag light is on after I install the new BCM?
This can happen on some models. It means the new BCM needs to be synced with the airbag’s Sensing and Diagnostic Module (SDM). A mechanic with a professional-grade scan tool can perform the “Setup SDM Primary Key in BCM” procedure to resolve this.