Are you dealing with baffling electrical problems in your Cadillac DTS? One minute the power windows work, the next they don’t. Maybe your security light is flashing, the radio is acting possessed, or the car refuses to start for no apparent reason. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics.
Don’t let these frustrating issues sideline your luxury sedan. We offer a dependable, direct-fit solution: a replacement 2006-2011 DTS Body Control Module, professionally programmed to your vehicle’s specific VIN before it ships. This critical step ensures that the module communicates perfectly with your car’s existing systems, just like the original, eliminating the need for an expensive trip to the dealership for programming.
Is Your Cadillac Showing These Symptoms?
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ The security system light stays on or flashes, potentially causing a no-start condition.
- ✔ Erratic instrument cluster behavior, with gauges dropping out or warning lights appearing randomly.
- ✔ A/C and climate control functions operating incorrectly.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-codes.
- ✔ Key fobs that suddenly stop working.
A Technician’s Notebook: The DTS with a Mind of Its Own
I remember a 2008 Cadillac DTS that came into the shop with a list of complaints that seemed completely unrelated. The owner said the driver’s side window would get stuck, the radio presets would vanish, and occasionally, the car wouldn’t recognize the key. My initial scan showed a flood of communication errors across multiple systems. Instead of chasing each individual symptom, experience pointed me straight to the BCM. These modules, especially on this platform, can suffer from internal solder joint failures, causing these exact kinds of intermittent, ‘ghost-in-the-machine’ problems. A new, properly programmed BCM resolved every single issue at once, saving the customer hundreds in diagnostic dead-ends.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: In the 2006-2011 Cadillac DTS, the BCM is typically located behind the glove box or on the right-hand side of the center dash. You will need to remove the glove box assembly for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed. Once disconnected, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in place of the old one. Securely plug in all the electrical connectors, making sure they click into place.
- ✔ Reconnect and Test: Reinstall the glove box, reconnect the negative battery terminal, and start the vehicle. Test all body functions—windows, locks, lights, and radio—to confirm proper operation.
Important Post-Installation Steps
While our VIN programming handles the majority of the setup, some GM vehicles require additional synchronization steps after installation. Please be aware of the following:
- 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: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function correctly. This also typically requires a compatible diagnostic tool.
Disclaimer: Always refer to a factory service manual for procedures specific to your vehicle’s year and model.
Verified Vehicle Compatibility
This module is a direct replacement for part number 25934763 and is compatible with a wide range of GM vehicles. Please match your original part number to the list below or verify fitment for your specific model. This part is guaranteed to fit the following:
ACADIA 07-12, AVALANCHE 1500 10, CAPRICE 11-13, CAPTIVA SPORT 12, CTS 08-13, 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.
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.
Frequently Asked Questions
What is the ‘Cloning Service’ mentioned?
Our service is a VIN programming service. We load the latest GM-certified software for your specific vehicle onto the module using the VIN you provide. This ensures the BCM works correctly with your car’s features and security system, essentially making it a functional clone of a perfectly working original module.
Do I need to send my old BCM to you?
No, we do not require your original module. We program the replacement unit using your VIN. As part of our service, your original module is always returned to you along with the programmed replacement unit if you send it in by mistake.
Is this a difficult part to install myself?
For someone with basic mechanical skills, this is a manageable job. The main challenge is accessing the module, which usually involves removing the glove box. No special tools are needed for the physical swap. However, be aware that some post-installation sync procedures may require a professional scan tool.
What happens if I install it and still have problems?
First, check all connections to ensure they are secure. Second, see if one of the post-installation procedures, like the airbag sync or brake pedal relearn, is required for your vehicle. If problems persist, it’s possible the issue lies elsewhere in the vehicle’s wiring or with another component. Our expert support team is here to help you diagnose the situation.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a core part of the vehicle’s anti-theft and security system. A failing BCM is a very common cause of this warning message and related no-start conditions. Our VIN programming ensures the security data matches your vehicle, restoring normal function.