Is Your Cadillac CTS Plagued by Electrical Gremlins?
Are your power windows acting up? Do your interior lights have a mind of their own? Are you seeing strange warning messages on your dashboard? These frustrating and often intermittent issues are common signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, managing everything from the power locks and security system to the lighting and climate controls. When it begins to fail, it can cause a cascade of confusing and unpredictable problems, making your luxury vehicle feel unreliable.
Don’t let a faulty module diminish your driving experience. This is a direct-replacement, VIN-programmed Body Control Module for your 2008-2013 Cadillac CTS. We take the guesswork and hassle out of the repair by pre-programming the unit with the latest GM software specific to your vehicle’s VIN. This means no expensive trips to the dealership for programming—it arrives ready for a straightforward installation.
From the Diagnostic Bay
We had a 2011 CTS in the shop that was driving its owner crazy. The radio would randomly shut off, the dome light would flicker while driving, and occasionally the car wouldn’t detect the key fob. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we found multiple communication loss codes with various modules, all pointing back to one culprit. The BCM was failing internally, corrupting the data network. Installing a VIN-programmed 2008-2013 CTS Body Control Module was the solution. Once installed, all the bizarre electrical issues vanished instantly, and the car was back to its reliable, luxurious self.
Symptoms of a Failing Body Control Module
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Erratic behavior of interior or exterior lights (staying on, not turning on, flickering).
- ✔ Malfunctioning security system or keyless entry.
- ✔ False warnings on the instrument cluster (e.g., ‘Service Theft System’).
- ✔ Climate control system not operating correctly.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Unexplained battery drain when the vehicle is off.
The Plug-and-Programmed Solution
Replacing a BCM used to be a job exclusive to dealerships due to the complex programming required. Our service eliminates that barrier. By providing us with your vehicle’s VIN during checkout, you receive a module that is loaded with the correct software and calibration files for your specific car. This ensures all the features and options your CTS came with from the factory will work correctly.
Post-Installation Procedures
While this module is delivered ready to install, some GM vehicles require simple ‘relearn’ or synchronization procedures after the BCM is replaced. These are standard steps to ensure all vehicle systems communicate properly.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a technician will need to perform the “Setup SDM Primary Key in BCM” procedure with a capable scan tool. This syncs the new BCM with the airbag module.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor relearn may be needed to ensure proper operation of the brake lights and stability control systems.
Please note: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Guaranteed Fitment and Compatibility
This BCM is a direct replacement for a wide array of GM part numbers and fits numerous vehicles beyond the Cadillac CTS. Your order for a 2008-2013 CTS Body Control Module ensures you receive the correct hardware, professionally programmed for your specific application. This module is compatible with the following part numbers and models:
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
Fits Models Including: Acadia (07-12), Avalanche 1500 (10), Caprice (11-13), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Escalade / ESV / EXT (10), Express / Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban 1500 (10), Tahoe (10), Torrent (07-09), Traverse (09-12), Vue (08-10), Yukon / Yukon XL 1500 (10), and more. Please verify the part number for your specific application.
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before we ship it. It arrives ready for installation, saving you time and money.
How do I provide my vehicle’s VIN?
After you complete your purchase, you can add your 17-digit VIN to the order notes or reply to your order confirmation email. We must have your VIN to program the module correctly.
What if the airbag light comes on after I install it?
This is a possibility on some GM vehicles. It simply means the new BCM needs to be electronically introduced to the airbag module. A qualified technician with a professional scan tool can perform the “Setup SDM Primary Key in BCM” procedure in a few minutes to resolve this.
Is this a complicated part to install?
For the 2008-2013 CTS, the BCM is typically located in the driver’s side dash area. While the physical replacement is straightforward for someone with mechanical experience (disconnecting the battery, removing trim panels, and swapping connectors), we always recommend professional installation if you are not comfortable with automotive electronics.
Is there a core charge for my old BCM?
No, there is no core charge. You can keep your original module without needing to send it back to us.