Restore Full Functionality to Your GM Vehicle
Are you dealing with baffling electrical issues in your 2006-2011 Cadillac DTS? Flickering lights, power windows with a mind of their own, or a security system that randomly acts up are classic signs of a failing Body Control Module (BCM). As the nerve center for your vehicle’s comfort and convenience features, a faulty BCM can make driving a frustrating experience. This isn’t just an inconvenience; it can lead to no-start situations that leave you stranded.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and extra cost out of the repair by pre-programming this BCM specifically to your vehicle using your VIN. It arrives at your door with the latest GM software updates already loaded, saving you a costly trip to the dealership. You get a reliable fix that restores your car’s electronics to perfect working order.
A Technician’s Notebook
A customer brought in their 2008 Cadillac DTS last month with a list of strange symptoms. The interior dome lights wouldn’t turn off, the radio display was erratic, and the remote key fob worked only intermittently. They had already replaced the battery, thinking it was a simple voltage issue. My diagnostic scan showed multiple communication loss codes (U-codes) pointing back to the BCM. After confirming power and ground to the module were good, we identified the internal BCM failure. We installed one of our VIN-programmed modules, performed the quick post-install procedures, and the car’s electrical systems behaved perfectly. It’s a common failure I’ve seen hundreds of times, and a correctly programmed module is the only right way to fix it.
Is Your Vehicle Showing These Symptoms?
A failing BCM can cause a wide array of problems that may seem unrelated. If you’re experiencing any of the following, your BCM is the likely culprit:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The security system light stays on, or the alarm goes off for no reason.
- ✔ Communication error codes (like U0140) stored in the system.
- ✔ Intermittent no-start condition where the engine cranks but won’t fire.
- ✔ Dashboard warning lights appearing without a clear cause.
- ✔ Inconsistent operation of heating and A/C controls.
A Straightforward Guide to Installation
Installing your new BCM is manageable for a seasoned DIYer. For the 2006-2011 Cadillac DTS, the BCM is typically located behind the right-hand side of the center dash. Always consult a service manual for your specific vehicle’s location.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to power down.
- Access the Module: Carefully remove any trim panels necessary to access the BCM. On the DTS, this is usually behind the glove box or a side kick panel.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Power: Reinstall any trim panels and reconnect the negative battery terminal.
- Perform Final Steps: Follow the critical post-installation procedures outlined below to ensure all systems, including safety features, are working correctly.
Important Post-Installation Steps
After replacing your BCM, these additional steps are crucial for proper vehicle operation and safety:
- Airbag System Reset: The ‘Setup SDM Primary Key in BCM’ procedure MUST be performed with a compatible high-level diagnostic tool. This step is required to clear the airbag warning light and ensure the safety system is active.
- Brake Pedal Position Sensor Relearn: Some vehicles require a brake pedal position sensor relearn or recalibration. This ensures the brake lights and stability control systems function as designed.
Note: The specific procedures can vary. If you are not equipped with the proper diagnostic tools or are unsure, we strongly recommend seeking assistance from a qualified professional technician.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 25847589 and interchanges with a wide range of other part numbers. It fits numerous GM vehicles. Please verify your original part number or consult the list below. This module is guaranteed to fit the following models:
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash)
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)
ESCALADE ESV 10 (under steering column)
ESCALADE EXT 10 (under steering column)
EXPRESS 1500 VAN 08-12 (center dash)
EXPRESS 2500 VAN 08-12 (center dash)
EXPRESS 3500 VAN 08-12 (center dash)
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA 1500 VAN 08-12 (center dash)
SAVANA 2500 VAN 08-12 (center dash)
SAVANA 3500 VAN 08-12 (center dash)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column)
TAHOE 10 (under steering column)
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON 10 (under steering column)
YUKON XL 1500 10 (under steering column)
Interchangeable 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 VIN?
Your Vehicle Identification Number (VIN) is required to load the exact, correct software and vehicle-specific options for your car. This ensures the BCM communicates perfectly with all other modules, just like the original from the factory.
Is this a simple plug-and-play part?
Because it comes pre-programmed, it is much simpler than a non-programmed unit. However, as noted above, you MUST perform the ‘Setup SDM Primary Key’ procedure with a pro-level scan tool to reset the airbag system. Some vehicles may also require a brake pedal sensor relearn. So, it’s plug-and-play with a required final configuration step.
Will this fix my ‘Service Security System’ message?
In many cases, yes. The BCM is integral to the vehicle’s anti-theft and security systems. A failing BCM is a very common cause of this warning message. Our programming ensures the security data matches your vehicle’s keys.
Do I need to send my old BCM back?
No, there is no core charge or need to return your original part. You can recycle it locally.
What tools are needed for the post-installation procedures?
You will need a high-level, bi-directional diagnostic scan tool. Standard OBD-II code readers cannot perform these specific functions. Tools like the GM Tech 2, MDI, or certain high-end Autel or Snap-on scanners are typically required.