Restore Your Cadillac’s Electrical System with a Pre-Programmed BCM
Are you battling frustrating electrical gremlins in your 2006-2011 Cadillac DTS? A failing Body Control Module (BCM) is often the culprit behind a host of bizarre issues, from flickering lights and malfunctioning accessories to no-start conditions. As the central command center for your vehicle’s body electronics, a faulty BCM can turn your luxury ride into a source of constant annoyance. This is a direct-fit, plug-and-play solution. We flash this module with the latest GM software updates, programmed specifically to your vehicle’s VIN before it ships. This eliminates the need for an expensive trip to the dealership for programming, saving you time and money.
A Technician’s Notebook: The DTS with a Mind of Its Own
From the Diagnostic Bay: A 2008 Cadillac DTS was towed to our shop last month with a truly baffling set of symptoms. The owner reported that the interior lights would stay on, the radio would randomly change stations, and the security light on the dash was constantly illuminated, sometimes preventing the car from starting. He’d already replaced the battery, but the problems persisted. My first step was a full vehicle scan. The scanner lit up with communication error codes (U-codes) and several body codes (B-codes) related to lighting and security circuits. This pattern almost always points away from individual components and toward the network hub—the BCM. We confirmed power and ground at the module were good, which sealed the diagnosis. After installing one of our VIN-programmed BCMs, every single issue was resolved. The vehicle’s electronics were stable, and the car started reliably every time. It’s a classic case of how a single failing module can wreak havoc on an entire vehicle.
Is Your Cadillac Showing These Signs of BCM Failure?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security or anti-theft system light is on, causing a no-start condition.
- ✔ The radio or infotainment system behaves unpredictably.
- ✔ False warnings appearing on the instrument cluster (e.g., ‘Service Airbag’).
- ✔ Communication DTCs are present, such as U0140, U0155, or U0100.
- ✔ Inconsistent operation of the windshield wipers.
A Straightforward Guide to Your BCM Installation
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to allow all systems to discharge before starting any electrical work.
- Locate the BCM: On the 2006-2011 Cadillac DTS, the Body Control Module is typically located behind the dashboard on the right-hand (passenger) side, near the center console area. You may need to remove the glove box or a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM into the bracket and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Perform Final Steps: Reconnect the negative battery terminal. Follow the critical post-installation procedures outlined below to ensure full functionality.
Critical Post-Installation Relearn Procedures
After installing your new 2006-2011 DTS BCM, a few final steps are essential for safety and proper operation. These procedures sync the new module with your vehicle’s other systems. While some DIYers with advanced scan tools can perform these, we recommend consulting a professional technician if you are unsure.
- Airbag System Reset: To clear the airbag warning light, the ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-end diagnostic tool. This is a critical safety step.
- Brake Pedal Position Sensor Calibration: Many GM vehicles require the Brake Pedal Position (BPP) Sensor to be recalibrated after a BCM replacement. This ensures the brake lights and stability control systems function correctly.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 25934762 and is interchangeable with a wide range of part numbers. It is guaranteed to fit the following models, but please confirm your part number or contact us with your VIN to ensure a perfect match.
ACADIA 07-12 Body Control (BCM); (LH dash)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08 Body Control (BCM); RH dash
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500/3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500/3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Compatible 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
Do I need to do any programming after I receive this BCM?
No. This Body Control Module comes fully programmed to your vehicle’s specific VIN. You just need to provide us with your VIN at checkout. This makes installation much simpler than buying a blank module.
What is a BCM and what does it do?
The BCM, or Body Control Module, is a computer in your vehicle that controls and monitors a wide variety of non-engine-related functions. This includes power windows, locks, lights, wipers, security systems, and more.
Is this a simple plug-and-play installation?
The physical installation is plug-and-play. However, as noted above, post-installation procedures like an airbag system reset and brake pedal sensor calibration are required for full and safe functionality. These require a professional-grade scan tool.
Will this fix my car’s no-start problem?
If the no-start issue is caused by the BCM activating the anti-theft system (a common failure), then yes, this part will likely solve the problem. However, no-start conditions can have many causes, so a proper diagnosis is always recommended.
How do I provide my VIN number?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it.