Is Your Cadillac DTS or GM Vehicle Plagued by Baffling Electrical Issues?
The Body Control Module, or BCM, is the central command center for your vehicle’s electronic accessories. It manages everything from your power windows and locks to the interior lights, security system, and climate controls. When the BCM starts to fail, it can create a cascade of strange, intermittent, and frustrating problems that are often difficult to diagnose. You might find your lights flickering, your security alarm going off for no reason, or your vehicle refusing to start. Don’t let a faulty BCM disrupt your driving experience.
From the Diagnostic Bay
We once had a 2008 Cadillac DTS come into the shop with a list of complaints a mile long: the driver’s window worked only when it wanted to, the radio would randomly shut off, and the ‘Service Theft System’ light was on. The owner had already replaced the window motor and checked every fuse. After connecting our diagnostic tool, we saw multiple communication errors all pointing back to one source. The BCM was failing intermittently, sending corrupt data across the vehicle’s network and causing chaos. Replacing the BCM with a correctly programmed unit solved every single issue at once, saving the customer from chasing down phantom problems and replacing perfectly good parts.
Symptoms of a Failing Body Control Module
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system acting up, causing false alarms or no-start conditions.
- ✔ Dashboard warning lights (like the airbag or brake light) illuminating incorrectly.
- ✔ Problems with the radio, HVAC / climate control system, or instrument cluster gauges.
- ✔ Intermittent communication errors with other vehicle modules.
Your Plug-and-Play 2006-2011 DTS Body Control Module Solution
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and hassle out of the repair by pre-programming this BCM specifically for your vehicle using your VIN. This process loads the latest GM software and ensures the module works seamlessly with the existing options and systems in your car. This means no expensive trips to the dealership for programming. For most installations, it’s a simple plug-and-play process.
Important Post-Installation Information
While this module is programmed for your VIN, certain vehicle systems may require a ‘handshake’ with the new BCM after installation. This may include:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific procedures.
This BCM is a direct replacement for the following 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, 95151084
Frequently Asked Questions
Why do you need my vehicle’s VIN?
Your VIN is essential for us to program the BCM with the exact software and calibrations for your specific vehicle’s features and options. This ensures 100% compatibility and proper function right out of the box.
Is this part difficult to install?
For the 2006-2011 Cadillac DTS, the BCM is located behind the right-hand side of the center dash. The physical replacement is straightforward for someone with basic mechanical skills. However, please be aware that some post-installation relearn procedures may be necessary depending on your vehicle.
Will I need to go to the dealer after installing this BCM?
No, in most cases you will not. Our VIN programming service eliminates the need for dealership programming. The only exception is if a specific relearn procedure, like the airbag system sync, is required, which can be done by most professional repair shops with an advanced scan tool.
What happens if my airbag light turns on after installation?
If the airbag light illuminates, it means the new BCM needs to be synchronized with your vehicle’s airbag module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional diagnostic tool to resolve this.
Is there a core charge for my old part?
No, there is no core charge. You can keep your original module without needing to send it back to us.
Does this BCM fit vehicles other than the Cadillac DTS?
Yes, this module fits a wide range of GM vehicles, including models from Chevrolet, GMC, Buick, Saturn, and more. Please refer to the detailed fitment list on this page to confirm compatibility with your specific make and model.