Restore Control and Eliminate Electrical Gremlins in Your Cadillac
Are you dealing with baffling electrical issues in your 2006-2011 Cadillac DTS? Flickering lights, malfunctioning power windows, a stubborn security system, or strange messages on your dash are more than just annoyances—they’re classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it falters, it can make your luxury car feel unpredictable. This isn’t just a part; it’s the definitive solution to get your vehicle’s comfort and security features working like new again.
We take the guesswork and high costs out of the repair. Unlike a trip to the dealership, which involves expensive diagnostic time and programming fees, our BCM arrives at your door ready to install. We professionally program the module with the latest GM software updates using your vehicle’s specific VIN. This ensures perfect communication between modules and often corrects underlying software issues the original BCM may have had. This is the straightforward, reliable fix you’ve been looking for.
Case Study: A Tricky Diagnosis
I remember a 2008 Cadillac DTS that came into my bay with a complaint of the interior lights pulsing and the radio randomly shutting off. The owner had already replaced the battery and alternator with no success. A quick scan showed a slew of U-codes (communication errors) pointing to a network issue. Instead of chasing ghosts, we went straight to the BCM. After swapping in a pre-programmed unit like this one, every single electrical gremlin vanished. It’s a common failure point, and a correctly programmed replacement is almost always the fix.
Is Your Cadillac Showing These Symptoms?
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system acting up, causing no-start conditions or false alarms (e.g., “Service Theft System” message).
- ✔ Instrument cluster gauges behaving erratically.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), especially U-codes (e.g., U0140, U0155).
- ✔ Unresponsive key fob or remote start functions.
A Straightforward Guide to Your BCM Installation
For the 2006-2011 Cadillac DTS, the BCM is located behind the glove box on the right-hand side of the center dash. While professional installation is always an option, a confident DIYer can perform this replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to allow all systems to power down completely.
- Access the Module: Open the glove box. You may need to press in on the sides to release the retaining stops, allowing the glove box to drop down fully and reveal the area behind it.
- Locate the BCM: Identify the Body Control Module. It’s a plastic box with several large multi-pin electrical connectors attached.
- Disconnect and Remove: Carefully unplug all electrical connectors. They have locking tabs that need to be depressed or levers that need to be swung over to release. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors, ensuring each one clicks into place.
- Final Steps: Re-install the glove box and reconnect the negative battery terminal. Start the vehicle to confirm that the primary functions are restored.
Important Post-Installation Information
Because this module is central to many systems, a couple of follow-up procedures may be necessary depending on your specific vehicle’s configuration. This is normal and ensures all systems are properly synced.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple “Setup SDM Primary Key in BCM” procedure is required. This must be done with a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure the brake lights and traction control system function correctly. This also requires a capable diagnostic tool.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the 2006-2011 Cadillac DTS. It is also compatible with a wide range of other GM vehicles and supersedes numerous part numbers, making it a versatile solution. Please verify your vehicle is on the list below.
Replaces 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
ACADIA 07-12, AVALANCHE 1500 10, CAPRICE 11-13, CAPTIVA SPORT 12, CTS 08-13, DTS 06-11, ENCLAVE 08-12, EQUINOX 07-09, ESCALADE 10, ESCALADE ESV 10, ESCALADE EXT 10, EXPRESS VANS 08-12, G8 08-09, HUMMER H2 08-09, IMPALA 06-13, LUCERNE 06-11, MONTE CARLO 06-07, OUTLOOK 07-10, SAVANA VANS 08-12, SRX 07-09, STS 10, SUBURBAN 1500 10, TAHOE 10, TORRENT 07-09, TRAVERSE 09-12, VUE 08-10, YUKON 10, YUKON XL 1500 10. (Please check the detailed list for specific options and IDs).
Frequently Asked Questions
Do I need to program this 2006-2011 DTS BCM?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s VIN during checkout, and the module will arrive ready for installation, saving you a trip to the dealer.
What does a Body Control Module do?
The BCM acts as a central computer for your car’s body electronics. It controls non-engine related functions like power windows, locks, interior/exterior lighting, the security system, key fob functions, and instrument panel warnings.
Where is the BCM located on my 2009 Cadillac DTS?
On the 2006-2011 Cadillac DTS, the BCM is typically found behind the glove box, mounted to the right side of the center dashboard structure.
Do I need to send my old part back? Is there a core charge?
No. We do not require you to return your original module, and there is absolutely no core charge, saving you time and money.
What if my airbag light turns on after I install the new BCM?
This is an indication that the new BCM needs to be electronically ‘introduced’ to your car’s airbag system (SDM). A technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.