If you’re dealing with the frustrating and unpredictable electrical issues in your 2006-2011 Cadillac DTS, you know how maddening it can be. One moment the windows work, the next they don’t. The security light flashes for no reason, or your dash lights flicker like a scene from a horror movie. These aren’t just annoyances; they’re symptoms of a failing Body Control Module (BCM), the electronic nerve center of your vehicle’s comfort and convenience features.
This isn’t just a replacement part; it’s a comprehensive solution. We offer a professional Cloning Service for this BCM. This means we transfer the critical data—including your vehicle’s specific options and security information—from your original module directly onto this replacement unit. The result? You receive a module that is truly plug-and-play, eliminating the need for a costly trip to the dealership for programming. It’s the most efficient way to get your car back to 100% functionality.
Common Signs of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft system light stays on, preventing the car from starting.
- ✔ Erratic dashboard behavior or gauges that stop working suddenly.
- ✔ Unexplained battery drain that leaves you stranded.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
A Technician’s Notebook: The Ghost in the DTS
I had a 2008 Cadillac DTS roll into my bay that was giving its owner fits. The main complaints were that the radio would sometimes not turn on, the driver’s side power window had a mind of its own, and the “Service Theft System” message would appear randomly. The owner had already replaced the battery twice. After confirming the battery and alternator were healthy, I hooked up my scan tool. It was littered with communication loss codes pointing to the BCM. A visual inspection of the wiring and grounds showed no issues. The BCM itself was the culprit. By using a cloned BCM, we were able to get the car repaired and back to the customer the next day, saving them over $400 in dealership programming fees and diagnostic time. It’s a classic failure mode on these platforms.
Your Simple BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electronic work.
- ✔ Locate the Module: In the 2006-2011 Cadillac DTS, the BCM is located behind the dash panel on the passenger side, near the center console area. Access may require removing the glove box.
- ✔ Careful Removal: Gently press the release tabs on the electrical connectors and pull them straight out. Do not force them. Once disconnected, remove the bolts or nuts holding the BCM bracket in place and take out the old module.
- ✔ Install the Replacement: Mount your new, cloned BCM in the same location and secure it with the original hardware. Firmly reconnect all electrical harnesses, ensuring they click into place.
- ✔ Power Up and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, interior/exterior lights, radio, and wipers—to confirm a successful installation.
Important Post-Installation Steps
After installation, your vehicle should function correctly. However, in some cases, additional synchronization procedures may be needed. Please note the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the airbag system with the new BCM. This is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct operation of the brake lights and stability control systems.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Will This Fit My Vehicle?
This BCM is a direct replacement for original part number 95151084 and interchanges with 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. It is confirmed to fit the following vehicles:
AVALANCHE 1500 10 (under steering column, ID 25892622)
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash, check ID)
CTS 08 (RH dash)
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column, check ID)
ESCALADE ESV 10 (under steering column, check ID)
ESCALADE EXT 10 (under steering column, ID 25892622)
EXPRESS/SAVANA VANS 08-12 (center dash, check engine/model specifics)
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash, check ID for ’13)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column, check ID)
TAHOE 10 (under steering column, check ID)
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON / YUKON XL 1500 10 (under steering column, check ID)
Frequently Asked Questions
Frequently Asked Questions
What exactly is the “Cloning Service”?
Our Cloning Service is a process where our technicians transfer the complete software and vehicle-specific data (like VIN and security settings) from your original BCM to this replacement unit. This makes the module plug-and-play, saving you from expensive dealer programming.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract the necessary data. After you purchase, we will provide instructions for shipping your module to us.
Will I get my original module back?
Absolutely. We always return your original BCM along with the programmed replacement unit. We do not keep customer cores.
What information do you need from me besides my old part?
After your purchase, we will need you to provide your vehicle’s 17-digit VIN. This allows us to load the newest factory software updates from GM specific to your car before we perform the clone.
Is this a difficult part for a DIYer to install?
For most DIYers with basic tools, this is a manageable job. The main challenge is typically accessing the module’s location within the dash. Since our service makes it plug-and-play, there is no complex computer work required on your end.