Are you experiencing frustrating and unpredictable electrical problems in your 2008-2013 Cadillac CTS? Issues like flickering lights, malfunctioning power windows, or a security system that acts up on its own are often 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 cause a wide range of confusing symptoms. This replacement Body Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a streamlined installation process.
From the Diagnostic Bay
We had a 2011 CTS in the shop that was driving its owner crazy. The dome lights would stay on, the radio would randomly shut off, and occasionally the car wouldn’t start, showing a ‘Service Theft System’ message. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic tool, we saw multiple communication errors pointing towards the BCM. Once we installed a VIN-programmed replacement module, every single one of the ghostly electrical issues vanished. It’s a perfect example of how a single faulty module can wreak havoc on an otherwise healthy vehicle.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The security system engaging randomly or preventing the car from starting.
- ✔ False warnings appearing on the dashboard instrument cluster.
- ✔ Intermittent no-start conditions or issues with key fob recognition.
- ✔ Unresponsive climate control functions.
Why Choose Our 2008-2013 CTS Body Control Module?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and extra expense out of the repair by programming the module with the latest GM software specifically for your car’s VIN. This critical step ensures that the BCM communicates correctly with all other modules in your Cadillac, restoring factory functionality without requiring a trip to the dealership for expensive programming. Simply provide your VIN after purchase, and we’ll handle the rest.
Important Post-Installation Steps
While this module is programmed for your vehicle, some systems may require a simple relearn procedure after installation to ensure perfect synchronization. Please be aware of the following:
- Airbag System Sync: If the 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 recalibration might be necessary to ensure your brake lights and traction control system function as intended.
Always consult a factory service manual or a qualified technician for guidance on procedures specific to your vehicle.
Guaranteed Fitment
This module is a direct replacement for a wide range of part numbers, ensuring compatibility. It will fit the following vehicles and replace the part numbers listed below:
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
Fits Models Including: Cadillac CTS (2008-2013), Acadia (2007-2012), Enclave (2008-2012), Traverse (2009-2012), Impala (2006-2013), Tahoe/Yukon/Suburban/Escalade (2010), Express/Savana Vans (2008-2012), and many more as detailed in the fitment list.
Frequently Asked Questions
What does a Body Control Module do on a Cadillac CTS?
The BCM acts as the central computer for your car’s body electronics. It controls non-engine related functions like power windows, locks, lights, security system, wipers, and the instrument cluster.
Do I need to program this BCM?
No. We program the module to your vehicle’s VIN before we ship it to you. This saves you a trip to the dealer and ensures the part is ready for installation when it arrives.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information.
Is this a plug-and-play installation?
It is designed for a direct fit, but as with many modern vehicle electronics, some simple ‘relearn’ procedures may be required after installation for systems like the airbag or brake pedal position sensor, as noted in the description.
What happens if my airbag light is on after installation?
This indicates that the new BCM needs to be synced with the airbag system’s Sensing and Diagnostic Module (SDM). A qualified technician with a professional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge?
No, there is no core charge for this part. You can keep your original module.